According to his attestation papers dated July 26, 1915 at Toronto, John Pirouet was born on Jersey, Channel Islands on March 8, 1890. He listed his mother, Mary Ann Pirouet, Highland Farms, St. Peter's, Jersey, Channel Islands, as his next of kin. He was a gardener and had 4 years previous military experience. He was 25 years and 4 months of age and stood 5 feet 9 1/2 inches tall. He had grey eyes, dark hair and a medium complexion. He had a tattoo on his right arm of crossed flags with clasped hands worded "Friendship", and a tattoo on his left arm of crossed flags denoting hands across the sea. He was a Methodist.
John Pirouet was a member of the 58th Battalion,Canadian Infantry (Central Ontario Regiment), when he was killed on June 13, 1916 at Ypres during an attack at Sanctuary Wood. His remains were never found and his name appears on the Menin Gate Memorial which is located at the eastern side of the town of Ypres, Belgium.