John 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.