Theodore "Theo" McKinley Cox was born in Beaver City, Beaver County, Utah on November 4, 1900,
the fourth child of William James Cox and Laura Ann Skinner. His siblings were: Silas L.
Cox, born August 20, 1863; Deliah Francis Cox, born October 17, 1870; and Mary Josephine
Cox, born September 4, 1876.
Theo married Vona Rosetta Easton on December 23, 1922. Vona was the daughter of William Joseph
Easton and Eva Jane Barton. Theo and Vona had four children, Lena Rae Cox born August 8, 1926;
Shirley Jane Cox, born April 15, 1929; Colleen Cox, born January 3, 1931, and James Dale Cox, born
April 14, 1935.
Theo died in his home in Beaver City, Utah on January 27, 1961 at the age of 60.