Robert John Watt was the son of Mrs Agnes Watt. He was born in County Antrim about 1886. Prior to the war, Robert John Watt worked in Antrim. He was a member of the UVF in Antrim. Robert was married to Elizabeth Ann Watt. Robert John Watt enlisted in Antrim at the outbreak of the war. He gave his address as Ballyclare. Rifleman Robert John Watt was serving with the No 12 Platoon of the 11th Battalion of the Royal Irish Rifles when he was killed in action on Tuesday 29th February 1916. He was killed by shrapnel when a shell exploded while he was standing outside the door of his billet in Mesnil.