He is married to Katherine Ferris.
They got married between 1920 and 1930 at New York, he was 43 years old.
Manlius Road, Household 176/176. Mark J. Bates, age 53, married first time at 20, foreman of carpentry shop; Katherine Bates, wife, age 45, married first time at 19; both born in New York.
Mark J. Bates, living at 1041 Montgomery Street, Syracuse, Onondaga County, New York; born 22 Jan 1876, white, age 42, blacksmith for Houser Elevator Co., Syracuse; Leona Bates, wife; tall, slender, blue eyes, brown hair./ Washington, D.C.: NARA