Andrew was buried at Wolf Island Church in Reidsville NC. A rock serves as his headstone. He resided in Rockingham County and enlisted in the Civil War in Wayne County at the age of 28 on May 7, 1862. His unit information was 45th NC Infantry CO H. He mustered in as a private and was promoted to Corporal in March-August 1864. He was present and accounted for until he was wounded in the head with a dangerous round ball gunshot wound to the fleshy portion of the back side of his head and was listed as dead at Fisher's Hill Virginia on September 22 1864. It was later discovered he was taken prisoner and sent to Sheridan Hospital Winchester VA. He was transferred to Hammond General Hospital in Baltimore, Maryland in November. He was transferred to Point Lookout Prison Maryland on March 31, 1865. Point Lookout Prison was considered a death prison beause of the over crowding and poor sanitary conditions. He was released at Point Lookout on June 2, 1865 in a prisoner exchange after he took the Oath of Allegiance. The Northern Generals issued an order to release only the prisoners that was thought to be terminal. They said they did not want them to recover and be able to fight again. Due to the nature of his wound he was listed as a weakened and enfeebled condition needing constant care. He returned home and never recovered from his injury. He died on September 15, 1866. According to census and military records Andrew could not read or write.

Andrew was the son of James and Elizabeth Avera Allen. James was born Oct. 13 1807 and died 1855. Elizabeth was born 1811 and died aug 1850.

Andrew was married to Nancy Ann Cantrell January 6, 1859 by Pastor Robert Shreve of Wolf Island Church. After his death Nancy later married his brother James Madison Allen.

Andrew had 3 brothers and 3 sisters:
James Madison Allen 1834-1885
Thomas Allen 1835-
William P. Allen 1841-
Elizabeth Jane Allen Chance 1838-1907
Margaret A. Allen Cantrell 1838-1918
Rachel C. Allen 1847-1884

children:
Mary Elizabeth (Mollie) Allen Hubbard 1859-1944
William Thomas Allen 1861-1948
Andrew Jackson Allen Jr. 1863-1939