This profile combines public bill sponsor records with sourced legislator profile data. It is not an official legislative biography and may be incomplete.
Dennis Mannion
Representative · R · Rockingham - District 25
House · Rock 25 · 2024-2026
- Sponsored bills
- 41
- Enacted bills
- 8
- Topic groups
- 18
- Represented districts
- 1
Official General Court Information
- Current district
- Rockingham - District 25
- Status
- Incumbent
- Party
- R
- Represents
- Rockingham - District 25
- Dennis.Mannion@gc.nh.gov
- Address
- State House-House Member Mail; 107 North Main Street; Concord NH 3301
Current Committees
- Judiciary 603-271-3529
Representation
- House · Rock 25 2024-2026 · R
Sponsored Bills
By Year
2026 (26 bills sponsored; 4 bills enacted)
- CACR13 CACR13: relating to registers of probate. Providing that the office of register of probate and all references to such office be eliminated. Senate · Senate Executive Departments and Administration
- HB59 HB59: relative to the assault of a firefighter, emergency medical care provider, or law enforcement officer. Enacted Signed by Governor · Senate Judiciary
- HB109 HB109: relative to false reports to law enforcement. Enacted Signed by Governor · Senate Judiciary
- HB1026 HB1026: relative to the definition of manufactured housing. House · House Housing
- HB1047 HB1047: relative to the offense of capital murder. House · House Criminal Justice and Public Safety
- HB1048 HB1048: relative to repealing the prohibition on the possession or sale of blackjacks, slung shots, and metallic knuckles except by or to minors. House · House Criminal Justice and Public Safety
- HB1067 HB1067: relative to the mental health courts. House · House Judiciary
- HB1070 HB1070: relative to the involuntary emergency admission process. House · House Health, Human Services and Elderly Affairs
- HB1093 HB1093: (New Title) relative to public charter schools and governmental land use exemptions. Passed · Senate Education
- HB1237 HB1237: relative to the removal of abandoned vehicles by law enforcement. House · House Criminal Justice and Public Safety
- HB1238 HB1238: relative to the penalties for the offense of disobeying an officer. House · House Criminal Justice and Public Safety
- HB1240 HB1240: relative to the apparent use of a deadly weapon during the offense of criminal threatening. Senate · Senate Judiciary
- HB1281 HB1281: establishing standards for the training of comfort dogs. House · House Commerce and Consumer Affairs
- HB1348 HB1348: relative to possession of human remains for law enforcement training purposes. Passed · Senate Judiciary
- HB1361 HB1361: relative to the procedure concerning search warrant inventories. Senate · Senate Judiciary
- HB1363 HB1363: relative to employee candidate background checks. House · House Criminal Justice and Public Safety
- HB1367 HB1367: establishing a criminal offense of doxing. House · House Criminal Justice and Public Safety
- HB1415 HB1415: (New Title) establishing a special veterans license plate and creating a fund and administrative programs from the proceeds of the sale of such plates and establishing the New Hampshire first for veterans program and authority. Passed · Senate Finance
- HB1469 HB1469: (New Title) relative to the licensing requirements for massage therapy establishments. Senate · Senate Executive Departments and Administration
- HB1471 HB1471: relative to changes to the state retirement system. House · House Executive Departments and Administration
- HB1595 HB1595: establishing a domestic violence program and relative to orders of protection, stalking offenses, and annulment of criminal records. House · House Criminal Justice and Public Safety
- HB1649 HB1649: prohibiting certain tax dollars from being donated to non-profit organizations. House · House Municipal and County Government
- HB1696 HB1696: relative to the issuance of a summons instead of arrest. Enacted Signed by Governor · Senate Judiciary
- SB411 SB411: relative to the procedure concerning search warrant inventories. Enacted Signed by Governor · House Criminal Justice and Public Safety
- SB513 SB513: (New Title) relative to the hiring of an owner's project manager (OPM) for construction or renovation projects which utilize school building aid. Senate · Senate Education Finance
- SB543 SB543: relative to long-term care eligibility and making an appropriation therefor. House · House Health, Human Services and Elderly Affairs
2025 (10 bills sponsored; 3 bills enacted)
- CACR8 CACR8: relating to sheriffs. Providing that no person shall hold the office of county sheriff after he or she has attained the age of seventy-five years. House · House Criminal Justice and Public Safety
- HB207 HB207: relative to repealing the prohibition on the possession or sale of blackjacks, slung shots, and metallic knuckles except by or to minors. Senate · Senate Judiciary
- HB445 HB445: establishing a study commission to examine the causes of and ways to alleviate the shortage of law enforcement officers in New Hampshire. Senate · Senate Executive Departments and Administration
- HB482 HB482: relative to the penalty for driving over 100 miles per hour. Senate · Senate Judiciary
- HB506 HB506: (New Title) relative to background checks during motions to return firearms and ammunition and relative to invalidating out-of-state driver's licenses issued to undocumented immigrants and relative to requiring schools to engage an owner's project manager for construction of school building aid projects at the time of application. Enacted Signed by Governor · Senate Judiciary
- HB559 HB559: relative to staffing requirements in emergency medical transport vehicles. Senate · Senate Health and Human Services
- HB594 HB594: relative to the definition of a way. House · House Transportation
- HB777 HB777: codifying the law enforcement accreditation commission. Enacted Signed by Governor · Senate Executive Departments and Administration
- HB778 HB778: (New Title) authorizing the director of the police standards and training council to detail law enforcement training specialists employed by the council for law enforcement and crowd control services and relative to disability retirement benefits. Enacted Signed by Governor · Senate Judiciary
- SB209 SB209: (New Title) relative to owner's project managers for projects funded by school building aid and relative to reporting requirements for persons or entities financing lawsuits. Senate · Senate Education
2024 (5 bills sponsored; 1 bill enacted)
- HB1003 HB1003: relative to name changes for inmates, parolees, and convicted violent felons. Enacted Signed by Governor · Senate Executive Departments and Administration
- HB1077 HB1077: relative to allowing the use of any-action carbines in certain hunting areas. House · House Fish and Game and Marine Resources
- HB1262 HB1262: relative to the installation of a traffic signal at the intersection of Route 111 and Ermer Road in Salem. House · House Public Works and Highways
- HB1339 HB1339: (New Title) relative to background checks during motions to return firearms and ammunition. Senate · Senate Judiciary
- HB1658 HB1658: relative to developing a notification database for those individuals with orders of commitment or revocations of conditional discharges. House · House Criminal Justice and Public Safety
By Committee
House Commerce and Consumer Affairs (1 bill sponsored; 0 bills enacted)
2026 (1 bill sponsored; 0 bills enacted)
- HB1281 HB1281: establishing standards for the training of comfort dogs. House · House Commerce and Consumer Affairs
House Criminal Justice and Public Safety (10 bills sponsored; 1 bill enacted)
2026 (8 bills sponsored; 1 bill enacted)
- HB1047 HB1047: relative to the offense of capital murder. House · House Criminal Justice and Public Safety
- HB1048 HB1048: relative to repealing the prohibition on the possession or sale of blackjacks, slung shots, and metallic knuckles except by or to minors. House · House Criminal Justice and Public Safety
- HB1237 HB1237: relative to the removal of abandoned vehicles by law enforcement. House · House Criminal Justice and Public Safety
- HB1238 HB1238: relative to the penalties for the offense of disobeying an officer. House · House Criminal Justice and Public Safety
- HB1363 HB1363: relative to employee candidate background checks. House · House Criminal Justice and Public Safety
- HB1367 HB1367: establishing a criminal offense of doxing. House · House Criminal Justice and Public Safety
- HB1595 HB1595: establishing a domestic violence program and relative to orders of protection, stalking offenses, and annulment of criminal records. House · House Criminal Justice and Public Safety
- SB411 SB411: relative to the procedure concerning search warrant inventories. Enacted Signed by Governor · House Criminal Justice and Public Safety
2025 (1 bill sponsored; 0 bills enacted)
- CACR8 CACR8: relating to sheriffs. Providing that no person shall hold the office of county sheriff after he or she has attained the age of seventy-five years. House · House Criminal Justice and Public Safety
2024 (1 bill sponsored; 0 bills enacted)
- HB1658 HB1658: relative to developing a notification database for those individuals with orders of commitment or revocations of conditional discharges. House · House Criminal Justice and Public Safety
House Executive Departments and Administration (1 bill sponsored; 0 bills enacted)
2026 (1 bill sponsored; 0 bills enacted)
- HB1471 HB1471: relative to changes to the state retirement system. House · House Executive Departments and Administration
House Fish and Game and Marine Resources (1 bill sponsored; 0 bills enacted)
2024 (1 bill sponsored; 0 bills enacted)
- HB1077 HB1077: relative to allowing the use of any-action carbines in certain hunting areas. House · House Fish and Game and Marine Resources
House Health, Human Services and Elderly Affairs (2 bills sponsored; 0 bills enacted)
2026 (2 bills sponsored; 0 bills enacted)
- HB1070 HB1070: relative to the involuntary emergency admission process. House · House Health, Human Services and Elderly Affairs
- SB543 SB543: relative to long-term care eligibility and making an appropriation therefor. House · House Health, Human Services and Elderly Affairs
House Housing (1 bill sponsored; 0 bills enacted)
2026 (1 bill sponsored; 0 bills enacted)
- HB1026 HB1026: relative to the definition of manufactured housing. House · House Housing
House Judiciary (1 bill sponsored; 0 bills enacted)
2026 (1 bill sponsored; 0 bills enacted)
- HB1067 HB1067: relative to the mental health courts. House · House Judiciary
House Municipal and County Government (1 bill sponsored; 0 bills enacted)
2026 (1 bill sponsored; 0 bills enacted)
- HB1649 HB1649: prohibiting certain tax dollars from being donated to non-profit organizations. House · House Municipal and County Government
House Public Works and Highways (1 bill sponsored; 0 bills enacted)
2024 (1 bill sponsored; 0 bills enacted)
- HB1262 HB1262: relative to the installation of a traffic signal at the intersection of Route 111 and Ermer Road in Salem. House · House Public Works and Highways
House Transportation (1 bill sponsored; 0 bills enacted)
2025 (1 bill sponsored; 0 bills enacted)
- HB594 HB594: relative to the definition of a way. House · House Transportation
Senate Education (2 bills sponsored; 0 bills enacted)
2026 (1 bill sponsored; 0 bills enacted)
- HB1093 HB1093: (New Title) relative to public charter schools and governmental land use exemptions. Passed · Senate Education
2025 (1 bill sponsored; 0 bills enacted)
Senate Education Finance (1 bill sponsored; 0 bills enacted)
2026 (1 bill sponsored; 0 bills enacted)
Senate Executive Departments and Administration (5 bills sponsored; 2 bills enacted)
2026 (2 bills sponsored; 0 bills enacted)
- CACR13 CACR13: relating to registers of probate. Providing that the office of register of probate and all references to such office be eliminated. Senate · Senate Executive Departments and Administration
- HB1469 HB1469: (New Title) relative to the licensing requirements for massage therapy establishments. Senate · Senate Executive Departments and Administration
2025 (2 bills sponsored; 1 bill enacted)
- HB445 HB445: establishing a study commission to examine the causes of and ways to alleviate the shortage of law enforcement officers in New Hampshire. Senate · Senate Executive Departments and Administration
- HB777 HB777: codifying the law enforcement accreditation commission. Enacted Signed by Governor · Senate Executive Departments and Administration
2024 (1 bill sponsored; 1 bill enacted)
- HB1003 HB1003: relative to name changes for inmates, parolees, and convicted violent felons. Enacted Signed by Governor · Senate Executive Departments and Administration
Senate Finance (1 bill sponsored; 0 bills enacted)
2026 (1 bill sponsored; 0 bills enacted)
Senate Health and Human Services (1 bill sponsored; 0 bills enacted)
2025 (1 bill sponsored; 0 bills enacted)
- HB559 HB559: relative to staffing requirements in emergency medical transport vehicles. Senate · Senate Health and Human Services
Senate Judiciary (11 bills sponsored; 5 bills enacted)
2026 (6 bills sponsored; 3 bills enacted)
- HB59 HB59: relative to the assault of a firefighter, emergency medical care provider, or law enforcement officer. Enacted Signed by Governor · Senate Judiciary
- HB109 HB109: relative to false reports to law enforcement. Enacted Signed by Governor · Senate Judiciary
- HB1240 HB1240: relative to the apparent use of a deadly weapon during the offense of criminal threatening. Senate · Senate Judiciary
- HB1348 HB1348: relative to possession of human remains for law enforcement training purposes. Passed · Senate Judiciary
- HB1361 HB1361: relative to the procedure concerning search warrant inventories. Senate · Senate Judiciary
- HB1696 HB1696: relative to the issuance of a summons instead of arrest. Enacted Signed by Governor · Senate Judiciary
2025 (4 bills sponsored; 2 bills enacted)
- HB207 HB207: relative to repealing the prohibition on the possession or sale of blackjacks, slung shots, and metallic knuckles except by or to minors. Senate · Senate Judiciary
- HB482 HB482: relative to the penalty for driving over 100 miles per hour. Senate · Senate Judiciary
- HB506 HB506: (New Title) relative to background checks during motions to return firearms and ammunition and relative to invalidating out-of-state driver's licenses issued to undocumented immigrants and relative to requiring schools to engage an owner's project manager for construction of school building aid projects at the time of application. Enacted Signed by Governor · Senate Judiciary
- HB778 HB778: (New Title) authorizing the director of the police standards and training council to detail law enforcement training specialists employed by the council for law enforcement and crowd control services and relative to disability retirement benefits. Enacted Signed by Governor · Senate Judiciary
2024 (1 bill sponsored; 0 bills enacted)
By Topic
Business and labor (1 bill sponsored; 0 bills enacted)
- HB1363 HB1363: relative to employee candidate background checks. 2026 · House · House Criminal Justice and Public Safety
Commerce and Consumer Affairs (1 bill sponsored; 0 bills enacted)
- HB1281 HB1281: establishing standards for the training of comfort dogs. 2026 · House · House Commerce and Consumer Affairs
Criminal justice and courts (22 bills sponsored; 6 bills enacted)
- CACR8 CACR8: relating to sheriffs. Providing that no person shall hold the office of county sheriff after he or she has attained the age of seventy-five years. 2025 · House · House Criminal Justice and Public Safety
- HB59 HB59: relative to the assault of a firefighter, emergency medical care provider, or law enforcement officer. Enacted 2026 · Signed by Governor · Senate Judiciary
- HB109 HB109: relative to false reports to law enforcement. Enacted 2026 · Signed by Governor · Senate Judiciary
- HB207 HB207: relative to repealing the prohibition on the possession or sale of blackjacks, slung shots, and metallic knuckles except by or to minors. 2025 · Senate · Senate Judiciary
- HB482 HB482: relative to the penalty for driving over 100 miles per hour. 2025 · Senate · Senate Judiciary
- HB506 HB506: (New Title) relative to background checks during motions to return firearms and ammunition and relative to invalidating out-of-state driver's licenses issued to undocumented immigrants and relative to requiring schools to engage an owner's project manager for construction of school building aid projects at the time of application. Enacted 2025 · Signed by Governor · Senate Judiciary
- HB778 HB778: (New Title) authorizing the director of the police standards and training council to detail law enforcement training specialists employed by the council for law enforcement and crowd control services and relative to disability retirement benefits. Enacted 2025 · Signed by Governor · Senate Judiciary
- HB1047 HB1047: relative to the offense of capital murder. 2026 · House · House Criminal Justice and Public Safety
- HB1048 HB1048: relative to repealing the prohibition on the possession or sale of blackjacks, slung shots, and metallic knuckles except by or to minors. 2026 · House · House Criminal Justice and Public Safety
- HB1067 HB1067: relative to the mental health courts. 2026 · House · House Judiciary
- HB1237 HB1237: relative to the removal of abandoned vehicles by law enforcement. 2026 · House · House Criminal Justice and Public Safety
- HB1238 HB1238: relative to the penalties for the offense of disobeying an officer. 2026 · House · House Criminal Justice and Public Safety
- HB1240 HB1240: relative to the apparent use of a deadly weapon during the offense of criminal threatening. 2026 · Senate · Senate Judiciary
- HB1339 HB1339: (New Title) relative to background checks during motions to return firearms and ammunition. 2024 · Senate · Senate Judiciary
- HB1348 HB1348: relative to possession of human remains for law enforcement training purposes. 2026 · Passed · Senate Judiciary
- HB1361 HB1361: relative to the procedure concerning search warrant inventories. 2026 · Senate · Senate Judiciary
- HB1363 HB1363: relative to employee candidate background checks. 2026 · House · House Criminal Justice and Public Safety
- HB1367 HB1367: establishing a criminal offense of doxing. 2026 · House · House Criminal Justice and Public Safety
- HB1595 HB1595: establishing a domestic violence program and relative to orders of protection, stalking offenses, and annulment of criminal records. 2026 · House · House Criminal Justice and Public Safety
- HB1658 HB1658: relative to developing a notification database for those individuals with orders of commitment or revocations of conditional discharges. 2024 · House · House Criminal Justice and Public Safety
- HB1696 HB1696: relative to the issuance of a summons instead of arrest. Enacted 2026 · Signed by Governor · Senate Judiciary
- SB411 SB411: relative to the procedure concerning search warrant inventories. Enacted 2026 · Signed by Governor · House Criminal Justice and Public Safety
Education (4 bills sponsored; 1 bill enacted)
- HB506 HB506: (New Title) relative to background checks during motions to return firearms and ammunition and relative to invalidating out-of-state driver's licenses issued to undocumented immigrants and relative to requiring schools to engage an owner's project manager for construction of school building aid projects at the time of application. Enacted 2025 · Signed by Governor · Senate Judiciary
- HB1093 HB1093: (New Title) relative to public charter schools and governmental land use exemptions. 2026 · Passed · Senate Education
- SB209 SB209: (New Title) relative to owner's project managers for projects funded by school building aid and relative to reporting requirements for persons or entities financing lawsuits. 2025 · Senate · Senate Education
- SB513 SB513: (New Title) relative to the hiring of an owner's project manager (OPM) for construction or renovation projects which utilize school building aid. 2026 · Senate · Senate Education Finance
Education Finance (1 bill sponsored; 0 bills enacted)
- SB513 SB513: (New Title) relative to the hiring of an owner's project manager (OPM) for construction or renovation projects which utilize school building aid. 2026 · Senate · Senate Education Finance
Environment and natural resources (1 bill sponsored; 0 bills enacted)
- HB1077 HB1077: relative to allowing the use of any-action carbines in certain hunting areas. 2024 · House · House Fish and Game and Marine Resources
Executive administration (6 bills sponsored; 2 bills enacted)
- CACR13 CACR13: relating to registers of probate. Providing that the office of register of probate and all references to such office be eliminated. 2026 · Senate · Senate Executive Departments and Administration
- HB445 HB445: establishing a study commission to examine the causes of and ways to alleviate the shortage of law enforcement officers in New Hampshire. 2025 · Senate · Senate Executive Departments and Administration
- HB777 HB777: codifying the law enforcement accreditation commission. Enacted 2025 · Signed by Governor · Senate Executive Departments and Administration
- HB1003 HB1003: relative to name changes for inmates, parolees, and convicted violent felons. Enacted 2024 · Signed by Governor · Senate Executive Departments and Administration
- HB1469 HB1469: (New Title) relative to the licensing requirements for massage therapy establishments. 2026 · Senate · Senate Executive Departments and Administration
- HB1471 HB1471: relative to changes to the state retirement system. 2026 · House · House Executive Departments and Administration
Health and Human Services (1 bill sponsored; 0 bills enacted)
- HB559 HB559: relative to staffing requirements in emergency medical transport vehicles. 2025 · Senate · Senate Health and Human Services
Health care (5 bills sponsored; 1 bill enacted)
- HB59 HB59: relative to the assault of a firefighter, emergency medical care provider, or law enforcement officer. Enacted 2026 · Signed by Governor · Senate Judiciary
- HB559 HB559: relative to staffing requirements in emergency medical transport vehicles. 2025 · Senate · Senate Health and Human Services
- HB1067 HB1067: relative to the mental health courts. 2026 · House · House Judiciary
- HB1070 HB1070: relative to the involuntary emergency admission process. 2026 · House · House Health, Human Services and Elderly Affairs
- SB543 SB543: relative to long-term care eligibility and making an appropriation therefor. 2026 · House · House Health, Human Services and Elderly Affairs
Housing (1 bill sponsored; 0 bills enacted)
- HB1026 HB1026: relative to the definition of manufactured housing. 2026 · House · House Housing
Housing and property (1 bill sponsored; 0 bills enacted)
- HB1026 HB1026: relative to the definition of manufactured housing. 2026 · House · House Housing
Local government (2 bills sponsored; 0 bills enacted)
- CACR8 CACR8: relating to sheriffs. Providing that no person shall hold the office of county sheriff after he or she has attained the age of seventy-five years. 2025 · House · House Criminal Justice and Public Safety
- HB1649 HB1649: prohibiting certain tax dollars from being donated to non-profit organizations. 2026 · House · House Municipal and County Government
Public finance (3 bills sponsored; 0 bills enacted)
- HB1415 HB1415: (New Title) establishing a special veterans license plate and creating a fund and administrative programs from the proceeds of the sale of such plates and establishing the New Hampshire first for veterans program and authority. 2026 · Passed · Senate Finance
- SB209 SB209: (New Title) relative to owner's project managers for projects funded by school building aid and relative to reporting requirements for persons or entities financing lawsuits. 2025 · Senate · Senate Education
- SB543 SB543: relative to long-term care eligibility and making an appropriation therefor. 2026 · House · House Health, Human Services and Elderly Affairs
Public safety (5 bills sponsored; 2 bills enacted)
- HB59 HB59: relative to the assault of a firefighter, emergency medical care provider, or law enforcement officer. Enacted 2026 · Signed by Governor · Senate Judiciary
- HB506 HB506: (New Title) relative to background checks during motions to return firearms and ammunition and relative to invalidating out-of-state driver's licenses issued to undocumented immigrants and relative to requiring schools to engage an owner's project manager for construction of school building aid projects at the time of application. Enacted 2025 · Signed by Governor · Senate Judiciary
- HB559 HB559: relative to staffing requirements in emergency medical transport vehicles. 2025 · Senate · Senate Health and Human Services
- HB1070 HB1070: relative to the involuntary emergency admission process. 2026 · House · House Health, Human Services and Elderly Affairs
- HB1339 HB1339: (New Title) relative to background checks during motions to return firearms and ammunition. 2024 · Senate · Senate Judiciary
Public Works and Highways (1 bill sponsored; 0 bills enacted)
- HB1262 HB1262: relative to the installation of a traffic signal at the intersection of Route 111 and Ermer Road in Salem. 2024 · House · House Public Works and Highways
Retirement and pensions (2 bills sponsored; 1 bill enacted)
- HB778 HB778: (New Title) authorizing the director of the police standards and training council to detail law enforcement training specialists employed by the council for law enforcement and crowd control services and relative to disability retirement benefits. Enacted 2025 · Signed by Governor · Senate Judiciary
- HB1471 HB1471: relative to changes to the state retirement system. 2026 · House · House Executive Departments and Administration
Taxation (1 bill sponsored; 0 bills enacted)
- HB1649 HB1649: prohibiting certain tax dollars from being donated to non-profit organizations. 2026 · House · House Municipal and County Government
Transportation (5 bills sponsored; 1 bill enacted)
- HB506 HB506: (New Title) relative to background checks during motions to return firearms and ammunition and relative to invalidating out-of-state driver's licenses issued to undocumented immigrants and relative to requiring schools to engage an owner's project manager for construction of school building aid projects at the time of application. Enacted 2025 · Signed by Governor · Senate Judiciary
- HB559 HB559: relative to staffing requirements in emergency medical transport vehicles. 2025 · Senate · Senate Health and Human Services
- HB594 HB594: relative to the definition of a way. 2025 · House · House Transportation
- HB1237 HB1237: relative to the removal of abandoned vehicles by law enforcement. 2026 · House · House Criminal Justice and Public Safety
- HB1262 HB1262: relative to the installation of a traffic signal at the intersection of Route 111 and Ermer Road in Salem. 2024 · House · House Public Works and Highways