Royal Garrison Artillery (British Army)
Samuel Crooks was the son of Thomas and Jane Crooks. He was born about 1893 in Tyrone. He was one of at least four sons. His father was a farm labourer. By 1911 his mother was a widow. Samuel Crooks joined the army around 1913. Gunner Samuel Henry Crooks served with the Royal Garrison Artillery. He was a gunner in the 86th Trench Mortar Battery. A report from September 1917 states that Gunner Crooks had been wounded.