Source: Per post of headstone of this soldier Per 18th Battalion Facebook Group member posting.
Family Search: When Private Cranshaw Robert Wightman was born on 15 October 1893, in Windsor, Essex, Ontario, Canada, his father, Walter Wightman, was 39 and his mother, Sarah Ingleby, was 24. He married Wilda E Powlus in 1920, in Saginaw, Saginaw, Michigan, United States. He immigrated to Detroit, Wayne, Michigan, United States in 1920 and lived in Saginaw, Michigan, United States in 1935 and Saginaw, Saginaw, Michigan, United States for about 10 years. He registered for military service in 1. In 1918, at the age of 25, his occupation is listed as carpenter in Sandwich, Essex, Ontario, Canada. He died on 3 April 1966, in St. Thomas, Elgin, Ontario, Canada, at the age of 72, and was buried in Roselawn Memorial Gardens, Saginaw, Saginaw, Michigan, United States.
Obituary
Wightman, Robert
Formerly of 2206 N. Bond
Died Saturday at St. Thomas Hospital, St. Thomas, Ont. Age 72 years. He was born Oct. 17, 1893, at Windsor, Ont., and came to Saginaw in 1922. His wife, Wilda, died here in 1962. He had lived in Windsor for the past three years. He leaves three brothers, Andrew, Ira, and Ray Wightman, all of Windsor. The funeral service will be 2 P.M. Tuesday at the Case Chapel, 409 Adams. The Rev. John Helodinsky will officiate. Burial will be in Roselawn Memorial Gardens. Friends may call at the chapel after 7 P.M. Monday.
Source: Find-A-Grave.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 