This soldier is buried at Beauvoir, the last home of Jefferson Davis, right there in Biloxi by George Purvis. His wife is also buried there.

Source:
http://www.beauvoir.org/intro.html

Bonner, B. P.
Co. C, 8th AL Cav.
Born: 01/06/1845
Died: 10/11/1925
County: Jones

Spouse:
Bonner, Leticia Saws
Admitted: 08-08-1925
Re-admitted: 03-02-1928
Born: 02-10-1855
Died: 05-24-1935
County: Jones