When Lila McPeck was born on 26 July 1898, in Nashville, Barry, Michigan, United States, her father, James Henry McPeck, was 37 and her mother, May Belle Miller, was 23. She married Charles Oren Lewis on 4 April 1914, in Barry, Michigan, United States. They were the parents of at least 1 daughter. She died on 9 August 1987, in Wright, Ottawa, Michigan, United States, at the age of 89, and was buried in Blythefield Memory Gardens, Rockford, Kent, Michigan, United States.