He appears in the 1850 federal census with his family in Accomac, Va. His native place is Baltimore, Md.
John A. Knower is 40, and a carriagemaker by trade.
Mary A., his wife, is 38, a native of Virginia. The place name is illegible
John, Jun., 11, is also a native of Virginia.
Ann C. is 2, was born in Accomac.
John Knower Jr. may be the Civil War soldier who enlisted in the U.S. Army at Baltimore on October 5, 1861, and again on February 10, 1864.