A son of John Henry Mattingly and Emily F. Mattingly. Both parents were descendants of Cezar Mattingly. He married Ellen Brown, a daughter of Joshua Brown and Eliza J. Jarboe.
Death certificate #14255, shows him as Athanthis Norbit Mattingly. His mother was listed as Eunica (Eurina) Mattingly on the index but the actual certificate shows Emma. Cause of death listed as appendicitis. He was married but his death certificate does not reveal his wife's name. Informant was J. B. Mattingly.