He was the son of Robert Watson JP and Elizabeth Watson. In 1911, the family are recorded as living in house 27, Bond’s Hill, Waterside, Londonderry.
Watson was serving with 27th Bn. Manchester Regiment as a Lieutenant when he was killed in action on 30th July 1916.
Watson was awarded the British War Medal and the Victory Medal. He is buried in the Dantzig Alley British Cemetery, Mametz, France.