Murder Investigation - Mark Duffy - Navan Co.Meath

Garda at Navan station together with the Duffy family are looking for the public’s assistance in relation to the murder investigation of Mark Duffy.

Mark was last seen on October 3rd, 2022, when at 10.50am he went to the post office in the Johnstown Shopping Centre, Navan.

Later that day at approximately 2.45pm Mark was seen walking on Commons Road, Navan, in the direction of McDermott Villas, which leads onto Parnell Park.  This is the last confirmed sighting of Mark.

Mark was subsequently reported missing on October 13th by a family member who became concerned when she hadn’t heard from him. A Garda investigation was launched, and it was established that there had been no sightings of Mark since October 3rd, nor had his phone been used. It was also established that he hadn’t left the country.

Gardaí subsequently conducted searches of the Navan and River Boyne area, but there have been no sightings of Mark or evidence of his whereabouts.

The disappearance of Mark was originally investigated as a missing person investigation, with the resources of a murder investigation. Earlier this month on Wednesday 30th September 2026.the case was reclassified by Gardaí to that of a Murder investigation.

Description of Mark:

• - Height - 5ft 8 (172cms)
• - Medium build
• - Blue Eyes 
• - Brown hair
• - Tattoos on the inside of both forearms of his children’s names
• - Walks with noticeable limp

Clothing:

• - Dark clothing with a cream hoody underneath, the hood of which was outside his jacket.

Garda Appeal:

• - Did you see or speak to Mark on October 3rd or in the days leading up to it?
• - Mark was last seen on CCTV at the Commons Road shortly before 2.45pm.  Where you in the area around this time? Do you know where he went from here?
• - If you think you may have seen saw Mark on the day he disappeared or that you may be able to assist the murder investigation, Gardaí would like to assure that you will be dealt with in a compassionate manner.