He married his first wife, Jennie MILLER, on 23 December 1884.
He married second Laura Belle CLEMENS on 30 August 1893.
Children of Orville and Jennie (MILLER) WALKER:
- Louie A. Walker, b. 1885
- Mable I. Walker, b. 1887
- Margaret M. Walker, b. 1890
Children of Orville and Laura (CLEMENS) WALKER:
- Lee Walker, b. 1894
- Clair Walker
Orville died on 9 December 1933.