He was born in Macoun, Saskatchewan, the son of Miles Thorson (1900–1932) and Mary Ethel Sinclair (1911–2006).
Mr. Thorson completed Grade 12 at Macoun, and continued his education at the University of Saskatchewan, where he received a BSc in Agriculture.
[1] Kim and Myrtle have three children, Eric Miles (January 15, 1959), Janet Lynn (May 23, 1960) and Vanessa Lee (December 11, 1966).
Viktor (1991), Arianna (1993), Thomas (1994), Anton (1994), Katie (1998), Loughran (1999), Lily (2003) and Sarah Butterfly (2010).
On December 16, 2020, Kim's wife Myrtle died, with her husband, and eldest son, Eric, at her side.