Thursday 5 November 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.

Named in reporting

Diarmuid O'Sullivan

Born between August 1997 and August 1998, from the ages reported. 1 report across 1 case, 4 Aug 2021 to 4 Aug 2021

Suspect: Diarmuid O'Sullivan, Irish man, 23 (judged from name)Diarmuid O'Sullivan

Key facts

from every report naming them
Named as
Suspect
Born
Between August 1997 and August 1998, from the ages reported
Offences
Murder; suicide
Where
Co. Cork
Reporting
1 report, 4 Aug 2021 to 4 Aug 2021
Outlets
irishtimes.com

Cases

latest first
  • Inquest concludes in Kanturk murder-suicide; Garda to review firearms protocols Murder; suicide · Co. Cork

    The inquest into the October 2020 murder-suicide at Raheen, Kanturk, Co Cork, found that Tadg O'Sullivan (59) and his son Diarmuid (23) shot dead Mark O'Sullivan (26) with two legally held rifles before taking their own lives, following an inheritance dispute over a 115-acre farm. The inquest jury recommended that Garda protocols for third-party safety reports involving firearms be reviewed.

    In court, 4 Aug 2021Suspect · 1 report

Timeline

every report naming Diarmuid O'Sullivan, newest first

Each entry shows how that report described them.

  1. 4 Aug2021
    In courtirishtimes.com, in Inquest concludes in Kanturk murder-suicide; Garda to review firearms protocols
    Kanturk inquest: Son taunted mother after shooting brother dead
    suspect, Diarmuid O'Sullivan, 23, male, named, irish (judged from name)Diarmuid O'Sullivan

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.