When Lewis Kenneth Jacobsen was born on 19 November 1896, in Salt Lake City, Salt Lake, Utah, United States, his father, Lewis Andrew Jacobsen, was 26 and his mother, Elizabeth Brunelda McNeill, was 23. He married Neva Martha Rutledge on 31 October 1921, in Preston, Franklin, Idaho, United States. They were the parents of at least 1 son and 1 daughter. He lived in Mount Isa, Queensland, Australia in 1935 and Salt Lake City Ward 5, Salt Lake City, Salt Lake, Utah, United States in 1940. He died on 3 March 1944, in Denver, Colorado, United States, at the age of 47, and was buried in Denver, Colorado, United States.