When Raymond L. Sims was born on 16 October 1898, in Madison Township, Franklin, Ohio, United States, his father, John Curtis Sims, was 23 and his mother, Jessie Boyd, was 18. He married Sarah Jane Curtis on 18 December 1919, in Marion, Ohio, United States. They were the parents of at least 3 sons and 1 daughter. He lived in Canal Winchester, Madison Township, Franklin, Ohio, United States in 1900. He died in 1971, in United States, at the age of 73, and was buried in Union Grove Cemetery, Winchester Park Addition, Franklin, Ohio, United States.