When Walter Fremont Church was born on 30 March 1865, in South Otselic, Otselic, Chenango, New York, United States, his father, Samuel Church, was 47 and his mother, Susannah Thompson, was 43. He married Mary E. Muncy on 7 June 1894, in Harrison, West Virginia, United States. They were the parents of at least 1 daughter. He lived in Otselic, Otselic, Chenango, New York, United States for about 5 years and Camp Cody, Luna, New Mexico, United States in 1922. He died on 11 September 1922, in Greeley, Weld, Colorado, United States, at the age of 57.