Thomas Walsh was the son of Michael and Annie Walsh (nee Cryan). It seems they were married about 1893 in County Roscommon, where they were both born. Thomas and his twin sister Mary Jane were born on 13th February 1899 in Laghey, Dungannon. He was one of ten children. All but the first were born in the Dungannon area. The family lived in Tempanroe, Bernagh, Tyrone. His father Michael Walsh was a constable in the Royal Irish Constabulary. Lance Corporal Thomas Walsh served with the Connaught Rangers. Thomas Walsh died on 22nd February 1919. He was 20 years old.