Census information concerning William and Mary.

1860
William Spencer, 27
Mary A. Spencer, 25
Joseph C. Spencer, 5
John W. Spencer, 3.12
Sarah E. Spencer, 2
Living in Meigs, McConnelsville

1880
William Spencer, 46
SARAH Spencer, 30
Albert Spencer, 12
Flora Spencer, 5
Carrie Spencer, 1

(I think Mary died young and he remarried sometime btw 1860-1880)

1900
William Spencer, 67
Sarah F. Spencer, 50
Mary E. Spencer, 15
Thomas W. Spencer, 14
Jessie A. Spencer, 12

1910
William Spencer, 78
Sarah F. Spencer, 87(but I know this is wrong)
Wesley Spencer, 23
Alice Spencer, 7 (granddaughter, figuring this girl belongs to Wesley)