Thomas McCluskey was the son of Thomas and Catherine McCluskey. Thomas McCluskey was born on 24th October 1891. He was one of six children, all born in the general Caledon area. His father was a railway labourer. By the time of the 1911 census, Thomas was 19. He was working as a spinner, working in a mill. Thomas McCluskey enlisted in Omagh. Private Thomas McCluskey was serving with the 6th Battalion of the Connaught Rangers when he was killed in action in France on 3rd February 1916.
Loos-en-Gohelle is a village 5 kilometres north-west of Lens, and Dud Corner Cemetery is located about 1 kilometre west of the village, to the north-east of the N943, the main Lens to Bethune road.