Adrain was born in Alabama, son of John Wilson Ellett and Mary Frances Thompson. He married Dollie Parker 19 Nov 1891 in Leon County, Texas. They had 11 children with 8 children living to adulthood. 3 boys died in infancy. The boys who died infancy are most probably buried in Leon County.
He was a farmer and lived to a ripe old age of 94. He liked reading his Bible and listening to the radio. He remained in good health until the last months of his life.