When Charles Francis Blair was born in January 1883, in West Brooklyn, Lee, Illinois, United States, his father, Robert Ephraim Blair 4th, was 36 and his mother, Elizabeth Austin, was 33. He married Hilda Holfoester in 1915, in California, United States. They were the parents of at least 4 sons and 2 daughters. He lived in Downey Judicial Township, Los Angeles, California, United States in 1900. He died on 11 November 1960, in Long Beach, Los Angeles, California, United States, at the age of 77, and was buried in Downey, Los Angeles, California, United States.