was born at South Carolina
in 1833. He was the son of John Millen Jr.
and Martha Matilda Gaston
. John A. Millen was census 1860 - free in 1860 at Chester Co., South Carolina
; In the 1860 census for South Carolina, Chester Co., lists the following family:
John A. Millen, age 26, born in South Carolina;
Mariah Millen, age 23, born in South Carolina.
He married Mariah L. (?)
at Chester Co., South Carolina
, in 1860. John died in February 1866 at Chester Co., South Carolina
. He left a will on 2 March 1866 at Chester Co., South Carolina
; Chester Co., South Carolina, 122-337 Written: 22 Dec 1863 Probated: 2 MAr 1866 Had land in Bradley Co., Arkansas Land between wife, Mariah L. Millen and Virgil Blair Millen Executor: Mariah L. Millen Witnessed: James F. Cherry, John Knox, W.B. Dunnan Return: 1 Jan 1870, signed by Mariah L. Lynn, formerly Mariah L. Millen Tuition for Blair and J. Millen Agent: Elihu Lynn.