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. 0429Missing person · Co. Dublin · 31 Jul 2026

Gardaí renew appeal for missing 15-year-old Michael McDonnell from Dalkey, Co Dublin

Michael (Simon) McDonnell, a 15-year-old man, has been missing from Dalkey, Co Dublin, since Friday, 31 July 2026. He is described as approximately five feet 10 inches tall, of medium build, with fair hair and blue eyes, and was last seen wearing a black tracksuit. He is believed to frequent the Finglas and Longford areas. Gardaí renewed their public appeal for information on his whereabouts on 10 August 2026. The case remains an active missing-person investigation with no arrest or charge to date.

  1. Reported10 Aug
  2. Arrested
  3. Charged
  4. In court
  5. Verdict
  6. Sentenced
reportedhappened, not reportedlatest stagenot yet

Key facts

consolidated from all reports
What happened
  • Michael (Simon) McDonnell, aged 15, has been missing from Dalkey, Co Dublin, since 31 July 2026.
  • Michael is described as approximately five feet 10 inches tall, of medium build, with fair hair and blue eyes.
  • Michael was last seen wearing a black tracksuit.
Other details
Michael is believed to frequent the Finglas and Longford areas.
Investigation
Gardaí renewed their appeal to the public for assistance in locating Michael on 10 August 2026.
When
Michael was last seen on Friday, 31 July 2026.
5 statements extracted from the articles
  • whatMichael (Simon) McDonnell, aged 15, has been missing from Dalkey, Co Dublin, since Friday, July 31 (irishmirror.ie)
  • whatMichael is approximately five feet 10 inches tall, of medium build, with fair hair and blue eyes (irishmirror.ie)
  • whatMichael was last seen wearing a black tracksuit (irishmirror.ie)
  • investigationGardaí renewed their appeal to the public for assistance in locating Michael (Simon) McDonnell (irishmirror.ie)
  • otherMichael is believed to frequent the Finglas and Longford areas (irishmirror.ie)

The reporting

newest first
  1. 10 Aug2026
    Reportedirishmirror.ie, follow-up
    Gardaí renew appeal for help tracing teenager missing since end of July

    Gardaí renewed their appeal on 10 August 2026 for information on the whereabouts of Michael (Simon) McDonnell, 15, missing from Dalkey since 31 July 2026. He is believed to frequent the Finglas and Longford areas.

    victim, Michael (Simon) McDonnell, 15, male, irish (judged from name)Michael (Simon) McDonnell