Source: Service record of reg. no. 746177 Pte. Judd.
Family Search: When Lance-Corporal Thomas Percival Mason was born on 5 March 1884, in Leicestershire, England, United Kingdom, his father, John Percival Mason, was 36 and his mother, Isabel, was 34. He immigrated to Canada in 1913. He registered for military service in 1915. In 1915, at the age of 31, his occupation is listed as butcher. He died on 3 April 1918, in Neuville-Vitasse, Pas-de-Calais, France, at the age of 34, and was buried in Bellacourt Military Cemetery, Rivière, Pas-de-Calais, France
Military Medal per London Gazette. No. 30364. Page 11347.
This soldier enlisted in the CEF on July 21, 1915, at Sewell, Ontario. He had prior military experience and was an unmarried butcher. He enlisted with the Canadian Army Service Corp Training Depot and was shipped to England and arrived at Rouen on January 29, 1916. He appears to have served in a rear area unit and was transferred to the 18th Battalion on October 21, 1916.
He was first transferred to the 1st Canadian Calvary Brigade Supply Column and TOS the 18th Battalion. This assignment was temporary and he joined the 18th Battalion on November 10, 1916 at the Somme.
He was granted a 10-day leave on September 2, 1917 and returned to the Battalion and was wounded on November 4, 1917, and returned to the Battalion on February 10, 1918. During that time he received the Military Medal.
He was granted 14-days leave on February 17, 1917, to the United Kingdom.
Returning from the leave he served with the Battalion until he was killed in action on April 3, 1918.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 