Wednesday 28 October 2026Compiled from published reports. Every claim links to its source.

Ireland Crime

Every case followed from the first report to the sentence, or to where the reporting stopped.

Case No. 1070Homicide (murder) · Co. Louth · 29 Sep 2025

Three O'Connor family members found dead at home in Drumgowna, Co. Louth

Shortly before 10am on 29 September 2025, Gardaí found Mark O'Connor (54), Louise O'Connor (56) and their son Evan O'Connor (27) deceased at their home in Drumgowna, Tallanstown, Co. Louth. A man in his 30s was arrested nearby in connection with the homicide and is detained at a Garda station in the Louth area under Section 4 of the Criminal Justice Act, 1984. The scene is subject to ongoing forensic examination by the Garda National Technical Bureau and Divisional Search Team, and the victims' remains were taken to Our Lady of Lourdes Hospital, Drogheda for post-mortem examinations. An Incident Room has been established at Ardee Garda Station, and Gardaí confirmed they are not looking for any other person in connection with the investigation.

  1. Reportednot reported
  2. Arrested1 Sep
  3. Charged
  4. In court
  5. Verdict
  6. Sentenced
reportedhappened, not reportedlatest stagenot yet

Key facts

consolidated from all reports
What happened
Three family members, Mark O'Connor (54), Louise O'Connor (56) and their son Evan O'Connor (27), were found deceased at their home.
Where
The incident occurred at a domestic residence in Drumgowna, Tallanstown, Co. Louth.
When
Gardaí received a call shortly before 10am on 29 September 2025.
Cause
The deaths are being treated as a homicide.
Investigation
  • A man in his 30s was arrested nearby in connection with the homicide and is detained under Section 4 of the Criminal Justice Act, 1984.
  • The scene is subject to ongoing forensic examination by the Garda National Technical Bureau and Divisional Search Team.
  • The victims' remains were removed to Our Lady of Lourdes Hospital, Drogheda for post-mortem examinations.
  • An Incident Room has been established at Ardee Garda Station.
  • Gardaí confirmed they are not looking for any other person in connection with the homicide.
7 statements extracted from the articles
  • whenGardaí received a call shortly before 10am on 29 September 2025 to attend at a domestic residence in Drumgowna, Tallanstown, Co. Louth. (garda.ie)
  • investigationA male in his 30s was arrested nearby in connection with the homicide incident. (garda.ie)
  • investigationThe male is detained at a Garda Station in the Louth area under Section 4 of the Criminal Justice Act, 1984. (garda.ie)
  • investigationThe scene is subject to ongoing forensic examination by the Garda National Technical Bureau and Divisional Search Team. (garda.ie)
  • investigationThe remains of the deceased were removed to Our Lady of Lourdes Hospital, Drogheda for post-mortem examinations. (garda.ie)
  • investigationAn Incident Room has been established at Ardee Garda Station. (garda.ie)
  • investigationGardaí are not looking for any other person in connection with the homicide investigation. (garda.ie)

The reporting

newest first
  1. 1 Sep2025
    Arrestedgarda.ie, first report
    Update (3) - Fatal Incident, Co. Louth 29th September - Appeal by Superintendent Andrew Watters, Drogheda Garda Station

    Initial Garda statement (Update 3) reporting the discovery of three deceased family members, the arrest of a male in his 30s, and the establishment of an Incident Room at Ardee Garda Station. Gardaí confirmed they are not looking for any other person.

    victim, 54, male, irish (judged from name)victim, 56, female, irish (judged from name)victim, 27, male, irish (judged from name)suspect, 30s, male