- Township: East Nissouri
- Regiment number: 3130017
- Date of birth: August 25, 1894
- Wars Served: World War I
- Years of service: November 2, 1917 -
- Country enlisted with: Canada
William Gleason was a farmer at R. R. #1 Lakeside, Ontario when drafted in November 1917. His brothers, John and Charles, both served in the war.