Case No. 4344Murder · Co. Kerry · 24 Feb 2024

Thomas Carroll found guilty of murder of army captain Patrick O'Mahony in Co. Kerry

Thomas Carroll, a 67-year-old former soldier from Co. Tipperary, was found guilty of the murder of his friend Patrick O'Mahony, a 84-year-old former Defence Forces army captain, after a single gunshot wound at O'Mahony's home in Castlemaine, Co. Kerry, between 24 and 25 February 2024. Carroll, who had served a 37-year career in the Defence Forces, denied the murder, and his defence argued intoxication as a partial defence. A jury of eight men and four women at the Central Criminal Court sitting in Limerick returned a unanimous guilty verdict shortly after 12:30pm on 11 December 2025. Victim impact statements are to be heard the following week before sentence is passed.

  1. Reportednot reported
  2. Arrestednot reported
  3. Chargednot reported
  4. In courtnot reported
  5. Convicted11 Dec
    2 reports
  6. Sentenced
reportedhappened, not reportedlatest stagenot yet

Key facts

consolidated from all reports
What happened
Thomas Carroll, 67, a former soldier, was found guilty of the murder of Patrick O'Mahony, 84, a former Defence Forces army captain.
Where
The murder occurred at O'Mahony's home at Ballyreamen, Castlemaine, Co. Kerry.
When
The murder occurred between 24 and 25 February 2024.
Cause
O'Mahony died as a result of haemorrhage and shock.
Weapon
O'Mahony sustained a single gunshot wound.
Investigation
Carroll was a long-time friend of the victim and had travelled to his home in Kerry on the weekend in question.
Charges
Carroll was charged with murder and denied the offence.
In court
  • The trial was held at the Central Criminal Court sitting in Limerick, and a jury of eight men and four women returned a unanimous guilty verdict shortly after 12:30pm on 11 December 2025.
  • The defence argued intoxication as a partial defence.
Sentence
Victim impact statements are to be heard the following week before sentence is passed.
Other details
  • Carroll joined the Defence Forces in 1975 and served a 37-year career including eleven tours of peacekeeping duty in Lebanon and Kosovo.
  • O'Mahony's wife died in November 2023, three months before his murder.
14 statements extracted from the articles
  • whatThomas Carroll is a 67-year-old former soldier (irishtimes.com)
  • whatCarroll joined the Defence Forces in 1975 and served a 37-year career (irishtimes.com)
  • whatCarroll served 11 tours of peacekeeping duty in Lebanon and Kosovo (irishtimes.com)
  • whatO'Mahony's wife died in November 2023, three months before his murder (irishtimes.com)
  • whereThomas Carroll lives at Brookway, Clonmel, Co. Tipperary (irishtimes.com)
  • whenThe murder occurred between 24 and 25 February 2024 (irishtimes.com, irishmirror.ie)
  • whenThe guilty verdict was brought in shortly after 12:30pm on 11 December 2025. (irishmirror.ie)
  • causeO'Mahony died as a result of haemorrhage and shock (irishtimes.com)
  • courtThe jury of eight men and four women returned a unanimous guilty verdict (irishtimes.com)
  • courtThe trial was held at the Central Criminal Court sitting in Limerick (irishtimes.com)
  • courtThe guilty verdict was returned shortly after 12:30pm (irishtimes.com)
  • courtThe jury returned a unanimous guilty verdict at the Central Criminal Court, sitting in Limerick. (irishmirror.ie)
  • courtVictim impact statements are to be heard the following week before sentence is passed. (irishmirror.ie)
  • otherCarroll joined the Defence Forces in 1975 and served a 37-year career including eleven tours of peacekeeping duty in Lebanon and Kosovo. (irishmirror.ie)

The reporting

newest first
  1. 11 Dec2025
    Former soldier found guilty of murder of army captain and friend

    Unanimous guilty verdict returned by a jury of eight men and four women shortly after 12:30pm on 11 December 2025. Defence had argued intoxication as a partial defence. Victim impact statements to be heard the following week before sentencing.

    victim, Patrick O'Mahony, male, irish (judged from name)Patrick O'Mahonyconvicted, Thomas Carroll, 67, male, named, irish (judged from name)Thomas Carroll
  2. 11 Dec2025
    Former soldier found guilty of murdering friend who died after single gunshot in Co Kerry

    Reports the guilty verdict at the Central Criminal Court sitting in Limerick, details of the trial including the defence argument of intoxication as a partial defence, background on both men's military service, and that sentencing is pending after victim impact statements are heard.

    victim, Patrick O'Mahony, 84, male, irish (judged from name)Patrick O'Mahonyconvicted, Thomas Carroll, 67, male, named, irish (judged from name)Thomas Carroll