1860 U.S. Census, Northumberland County, Virginia
Union Village Post Office, Page 24
Dwelling 183, Family 185
Sandford, Wm. S., 35, male, miller, value of personal estate $50, born in Westmoreland County, cannot read or write
Sandford, Mary, 35, female, born in Westmoreland County
Sandford, Susan H., 10, female, born in Westmoreland County
Sandford, Ella V., 8, female, born in Westmoreland County
Sandford, John Wm., 4, male, born in Westmoreland County
Sandford, Mary E., 2, female, born in Northumberland County

He is listed as the father of his daughter Mary Elizabeth in her marriage to Samuel Grayson Davis.