Thomas Andrew Henry was the son of Robert and Elizabeth Henry. He was born in Cookstown on 21st October 1896. His father was a labourer. The family moved to Belfast. By 1911, Thomas had left school and was employed as a card lacer. Thomas Henry enlisted in Belfast. Corporal Thomas Henry was serving with the 14th Battalion of the Royal Irish Rifles, attached to the 109th Trench Mortar Battery, when he was killed in action on Thursday 16th August 1917.
The Tyne Cot Memorial to the Missing forms the north-eastern boundary of Tyne Cot Cemetery, which is located 9 kilometres north east of Ieper town centre, on the Tynecotstraat, a road leading from the Zonnebeekseweg (N332). The names of those from United Kingdom units are inscribed on Panels arranged by Regiment under their respective Ranks. The names of those from New Zealand units are inscribed on panels within the New Zealand Memorial Apse located at the centre of the Memorial.