The man, referred to as David, was last seen in the Louth area at 11.30pm on Saturday night and is believed to be on foot in the surrounding rural area.
David is white, 6ft 1” tall, with grey/dark hair, a dark goatee beard, and medium build.
He was wearing black jogging trousers, a black mid-length jacket and brown tan walking trainers.
If you have information contact 101 quoting incident 84 of June 5.