In the 1920 US Federal Census for Nineveh, Johnson, Indiana, 36-year-old Indiana-born farmer William and his 32-year-old Indiana-born wife Hattie N [Luyster] Mullendore have in their household their Indiana-born children, 9-year-old Marion J [sic] and 7-year-old William O, and Hattie's mother 64-year-old Indiana-born widow Hattie D [McCaslin] Lyster [sic]. Marian and William O have attended school in the past year. Everyone can read, write and speak English. Everyone's parents were born in Indiana except Hattie D Luysters as her father was born in Kentucky and her mother in New Jersey. William seems to be renting the land he farms from his father 63-year-old Andrew Mullendore who is living next door and does own a farm, but is not engaged in farming. In the 1930 US Federal Census for Nineveh, Johnson, Indiana, 46-year-old Indiana-born William and his 43-year-old Indiana-born wife Hattie N [Luyster] Mullendore were married when he was 24- and she was 20-years old. They have in their household their Indiana-born children, 19-year-old J Marian [sic] and 17-year-old William O, and Hattie's mother, 77-year-old Indiana-born widow Hattie D [Harriet Ditmars McCaslin] Luyster. The family is living on a farm that William T owns. They have a radio. William T is a farmer, J Marian is an assistant librarian in a college library, and William O is a waiter in a restaurant. Both J Marian and William O have attended school or college in the past year. William T, J Marian and William O have worked on the last regularly scheduled work day. Everyone can read write and speak English. Everyone's parents were born in Indiana, except Hattie Luyster's as her father was born in Kentucky and her mother in New Jersey. William applied for his Social Security Number in Indiana before 1951. In 1981 William and Frances Mullendore were living at Rr 2 Pob 161, Gosport, Indiana 47433-0401. In 1988, William O Mullendore was living at 8500 Pocket Hollow, Gosport, Indiana 47433-1101. When Wm O Mullendore died on 25 Dec 1988, his residence was in Gosport, Owen, Indiana 47433.