1860 United States Federal Census
Name: Andrew J Harper
Age in 1860: 32
Birth Year: abt 1828
Birthplace: South Carolina
Home in 1860: Lapile, Union, Arkansas
Race: White
Gender: Male
Post Office: Union Springs
Value of real estate: View image
Household Members: Name Age
Andrew J Harper 32 farmer b. SC
Sarah Harper 42 b. SC
Benj Shaver 31 b. SC
Elizabeth J Harper 10 b. SC
Sarah I Harper 10 b. SC
H K Harper 7 b. SC [male]
John Harper 5 b. SC
Mary E Harper 2 b. SC

Unconfirmed on-line genealogy:

Andrew James Harper
b. 7 Aug 1828 Lancasater County, SC
d. July 1863 Gettysburg, PA
[son of Andrew K. Harper 1785-1833 + Elizabeth Latham 1797-1882]
+
Sarah Marshall 1818-1862
[daughter of John Marshall 1773-1850]
Children:
Elizabeth J. Harper 1849-1912 ??
Mary E. Harper 1858-

Night finding any civil war service, which does not mean he did not serve.

JR