Alexander Watt was born in Drumglass, Dungannon. Alexander enlisted in Dungannon. Private Alexander Watt was serving with the 6th Inniskilling Dragoons (Service Squadron), attached to 2nd Regiment, North Irish Horse. He was killed in action at the Battle of the Somme on 3rd July 1916. Private Watt has no known grave and is commemorated at Thiepval Memorial, Pier and Face 1A.