Gardai are renewing their appeal to the public for assistance in locating the whereabouts of Gerard Taylor.
The 55-year-old has been missing from the Sandyford area since 25 May.
Gerard was last seen when he left his home at approximately 9am on Saturday.
He is described as being approximately 6ft, of medium build with grey hair and blue eyes.
When last seen, he was wearing a navy blue jacket with a hood, green trousers, and a navy blue cap.
Any information on Gerard's whereabouts should be reported to Dundrum Garda Station on 01 666 5600 or the Garda Confidential Line 1800 666 111.