Ireland Named in reporting
Mark O'Connor
Born 1971, from the ages reported. 58 reports across 1 case, 29 Sep 2025 to 5 Nov 2026
Other people with this name: born 2002 (2 cases)
Victim: Mark O'Connor, Irish man, 54 (judged from name)Mark O'Connor
Key facts
from every report naming them- Named as
- Victim
- Born
- 1971, from the ages reported
- Offences
- Triple murder
- Where
- Co. Louth
- Reporting
- 58 reports, 29 Sep 2025 to 5 Nov 2026
- Outlets
- irishmirror.ie, dundalkdemocrat.ie, gript.ie, thejournal.ie, irishtimes.com, rte.ie
Photographs
as published, with the outlet's credit
Mark O'Connor, 54, Louise O'Connor, 56, and their son Evan O'Connor, 27, who were found dead at the family home in Dromgowna
Photocredit not given by the outletvia irishmirror.ie, 5 Nov 2026
Evan O'Connor, Mark O'Connor and Louise O'Connor, who were found dead at their home in Drumgowna, Co Louth on September 29th, 2025
PhotoGarda/PA Wirevia irishtimes.com, 23 Oct 2026
Evan, Mark and Louise O'Connor died at their home in Co Louth in September of last year | File photo
Photocredit not given by the outletvia dundalkdemocrat.ie, 23 Oct 2026
Evan, Mark and Louise O'Connor died at their home in Co Louth in September of last year
Photocredit not given by the outletvia rte.ie, 20 Oct 2026Images are shown from the outlet that published them and link back to the article. Copyright stays with the credited photographer or agency.
Cases
latest first- Man found guilty of manslaughter in Co Louth triple killing Triple murder · Co. Louth
Robert O'Connor, a 32-year-old man from Drumgowna, Co Louth, fatally stabbed his mother Louise O'Connor, 56, his father Mark O'Connor, 54, and his younger brother Evan O'Connor, 27, at their home between 28 and 29 September 2025. The three victims sustained a combined 139 stab wounds. He was arrested on 29 September, charged with three counts of murder on 30 September, and pleaded not guilty by reason of insanity or guilty of manslaughter by diminished responsibility. After a three-week trial at the Central Criminal Court, a jury returned unanimous verdicts of not guilty of murder and guilty of manslaughter by diminished responsibility on 4 November 2026.
Convicted, 4 Nov 2026Victim · 58 reports
Timeline
every report naming Mark O'Connor, newest firstEach entry shows how that report described them.
- 5 Nov2026Serious concerns and blood bags: The full story of the Robert O'Connor trialvictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connor
- 4 Nov2026Long Read: Jury hears of fears for family's safety years before Louth murdersvictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connor
- 4 Nov2026Man guilty of the manslaughter of his mum, dad, and brother - Griptvictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connor
- 4 Nov2026Jury delivers verdict on man who stabbed parents and brother to deathvictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connor
- 4 Nov2026Robert O'Connor found guilty of manslaughter with diminished responsibility in killing of his familyvictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connor
- 2 Nov2026Judge in trial of triple-murder accused explains possible verdicts to juryvictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connor
- 2 Nov2026Judge in Robert O’Connor trial tells jury their task is not to punish or sympathisevictim, Mark, 54, male, irish (judged from name)Mark
- 29 Oct2026Defence for triple murder accused ask for guilty by reason of insanity verdictvictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connor
- 28 Oct2026Jury in Louth triple murder trial shown videos of garda interviewsvictim, Mark O'Connor, 54, irish (judged from name)Mark O'Connor
- 28 Oct2026Jury in Louth murder trial shown accused's garda interviews after asking to see his 'demeanour'victim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connor
- 23 Oct2026Father of murder accused reported ‘serious concerns’ for family’s safety to social workervictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connor
- 23 Oct2026Father of triple murder accused expressed "serious concerns" for family's safetyvictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connor
- 23 Oct2026Father of Louth murder accused told social worker he had concern for family's safetyvictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connor
- 23 Oct2026Jury hears of triple murder accused's garda interviewsvictim, Mark O'Connor, 54, irish (judged from name)Mark O'Connor
- 21 Oct2026‘My mother asked me to let Evan go’: Murder accused was asked to spare brother with special needsvictim, Mark, 54, male, irish (judged from name)Mark
- 21 Oct2026Triple murder accused Robert O'Connor stabbed disabled brother at least 70 timesvictim, Mark, 54, irish (judged from name)Mark
- 20 Oct2026Father of triple murder accused Robert O’Connor died after 44 stab wounds in ‘sustained’ attackvictim, Mark, 54, irish (judged from name)Mark
- 20 Oct2026Dad of triple-murder accused Robert O'Connor died after suffering 44 stab woundsvictim, Mark O'Connor, 54, irish (judged from name)Mark O'Connor
- 20 Oct2026Father stabbed 44 times, mother stabbed 20 times - courtvictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connor
- 20 Oct2026Triple murder accused was off schizophrenia medication and using cocaine, pharmacist saysvictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connor
- 19 Oct2026Man wasn't taking meds and used cocaine before fatally stabbing family membersvictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connor
- 16 Oct2026Man advanced towards gardaí and said ‘shoot me, shoot me, shoot me’, trial hearsvictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connor
- 16 Oct2026Triple murder accused covered in blood shouted 'shoot me' at gardaí, court hearsvictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connor
- 16 Oct2026'Shoot me' Detective tells trial of moment he encountered Louth triple murder accusedvictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connor
- 15 Oct2026Witness mistook body for Halloween decoration, Louth family murder trial hearsvictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connor
- 15 Oct2026Triple-murder trial told of moment carer mistook body for Halloween decorationvictim, Mark O'Connor, 54, irish (judged from name)Mark O'Connor
- 15 Oct2026Carer at scene of Louth triple killing mistook body for Halloween decorationvictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connor
- 13 Oct2026"Battleground" between prosecution and defence in Louth triple murder trialvictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connor
- 13 Oct2026Psychiatric state of man accused of murdering three members of his family ‘central’ to trialvictim, Mark O'Connor, 54, irish (judged from name)Mark O'Connor
- 13 Oct2026Man who killed 3 had schizophrenia relapse, court toldvictim, Mark O'Connor, male, irish (judged from name)Mark O'Connor
- 9 Oct2026Issue arises in trial of man accused of murdering his father, mother and brothervictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connor
- 9 Oct2026Issue in Louth triple murder trial requires 'some clarification', jury toldvictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connor
- 8 Oct2026Louth murder accused said he "stabbed them multiple times" court heardvictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connor
- 8 Oct2026Triple murder accused told gardaí he only meant to kill father and brother, not mother, court hearsvictim, Mark O'Connor, male, irish (judged from name)Mark O'Connor
- 8 Oct2026Louth triple murder accused told Gardaí 'I killed them', court toldvictim, Mark O'Connor, male, irish (judged from name)Mark O'Connor
- 8 Oct2026Man denies murdering three family members in Louth homevictim, Mark O'Connor, male, irish (judged from name)Mark O'Connor
- 8 Oct2026Man accepts killing parents and brother but denies murder - Griptvictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connor
- 7 Oct2026Louth man accused of murdering parents and brother pleads not guilty by reason of insanityvictim, Mark O'Connor, irish (judged from name)Mark O'Connor
- 7 Oct2026Man pleads not guilty to murder of brother and parentsvictim, Mark O'Connor, male, irish (judged from name)Mark O'Connor
- 7 Oct2026Louth man accused of murder pleads not guilty by reason of insanityvictim, Mark O'Connor, male, irish (judged from name)Mark O'Connor
- 7 Oct2026Man accused of murdering his father, mother and brother appears in courtvictim, Mark O'Connor, irish (judged from name)Mark O'Connor
- 6 Oct2026Man to go on trial accused of murdering parents and brother in Louthvictim, Mark O'Connor, male, irish (judged from name)Mark O'Connor
- 22 Jan2026Trial date fixed for man over Co Louth triple murdervictim, Mark O'Connor, male, irish (judged from name)Mark O'Connor
- 22 Jan2026Trial date set for Louth man accused of murdering his parents and brothervictim, Mark O'Connor, male, irish (judged from name)Mark O'Connor
- 22 Dec2025Man charged with murder of parents and brother sent forward for trialvictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connor
- 24 Nov2025Further remand for man accused of murdering parents and brother in Co Louthvictim, Mark O'Connor, male, irish (judged from name)Mark O'Connor
- 24 Nov2025Man charged with the murder of parents and brother appears in courtvictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connor
- 20 Oct2025Major update on man charged with murder of parents and brother in Louthvictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connor
- 1 Oct2025Hundreds gather to remember father, mother and son killed in Co Louthvictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connor
- 30 Sep2025Man, 31, appears in court charged with murder of dad, mum and brother in Louthvictim, Mark, 54, male, irish (judged from name)Mark
- 30 Sep2025Louth stabbing LIVE: Bodies discovered by care worker - Dad & son tried to fleevictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connor
- 30 Sep2025Man (31) charged with murder of his parents and brother in Co Louthvictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connor
- 30 Sep2025'An inspiration to us all': Tributes paid to mum, dad and son killed in Louthvictim, Mark O'Connor, 54, male, irish (judged from name)Mark O'Connor
- 30 Sep2025Gardai appeal for information after deaths of three family members in Louthvictim, Mark O'Connor, 54, irish (judged from name)Mark O'Connor
- 30 Sep2025Mother, father and son from Louth killed in tragic stabbing incident named locallyvictim, Mark O'Connor, 50s, irish (judged from name)Mark O'Connor
- 29 Sep2025Mother, father and son killed in suspected stabbing tragedy in Tallanstown namedvictim, Mark O'Connor, 50s, male, irish (judged from name)Mark O'Connor
- 29 Sep2025Three members of same family killed in knife attack in rural Co Louth homevictim, Mark O'Connor, male, irish (judged from name)Mark O'Connor
- 29 Sep2025Gardai respond to fatal 'serious ongoing incident' in Louth - live updatesvictim, Mark O'Connor, 50s, male, irish (judged from name)Mark O'Connor
Matched on the name as printed, ignoring quoted nicknames, and split by the ages reported. Two people who share a name and age would appear together here.