When Dorothy Carolyne Anderson was born on 20 February 1920, in Owen Center, Winnebago, Illinois, United States, her father, Albert Hildorth Anderson, was 34 and her mother, Agda Dorothea Lengquist, was 35. She married Donald Lee Timmerman on 6 January 1945, in Chicago, Cook, Illinois, United States. She lived in Rockford Township, Winnebago, Illinois, United States in 1940. She died on 2 December 1987, in Rockford, Winnebago, Illinois, United States, at the age of 67, and was buried in Willwood Burial Park, Rockford, Winnebago, Illinois, United States.