Roll of Honor
Incident
On the evening of 23rd November 1920, about 8:30pm, Constable Dennehy was travelling from his barracks to Knockhall, County Roscommon, when he was kidnapped by armed terrorists.
He was subsequently charged and found guilty of espionage and executed the following day.
In Our Keeping
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BO-GB-RIC-DC363904- Stewardship
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- Added to badge.nw
- August 2, 2026
- Last updated
- August 2, 2026
Honored here by 1 tribute.
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Tributes
I never knew you. I am standing here anyway.
Constable Dennehy served with the Royal Irish Constabulary.
Thank you for your service. Gone but never to be forgotten.
Rest easy, Constable Dennehy.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Constable Michael Dennehy is one of 1 officers killed feloniously — deliberately targeted and murdered in the line of duty across the full record of this memorial — 0% of all 97,772 officers honored here.
In L, 592 of 749 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 79% of this state's fallen. That is 79 percentage points above the national rate of 0%.
At Royal Irish Constabulary, 519 of 642 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 80.8% of this agency's fallen.
National Cause Distribution
How Felonious compares to all causes of officer death in the memorial record. Michael Dennehy's cause is highlighted.
How Michael Dennehy Compares
When Felonious Deaths Occur
Monthly distribution of Felonious deaths across the full memorial record. Michael Dennehy is highlighted in Nov.
Weapons Used Against Officers
Most common weapons in felonious officer deaths.
Others Who Wore This Badge
641 officers from Royal Irish Constabulary are honored on badge.nw. Showing the 16 most recent.
