1860 U.S. Census, Essex County, Virginia, Lloyds Post Office
Page 48
Dwelling 458, Household 446
Clarke, Washington L., 36, male, carpenter, value of personal estate $225, born in Virginia
Clarke, Lucinda S., 37, female, born in Virginia
Clarke, Walter T., 12, male, born in Virginia, in school
Clarke, J. Washginton, 10, male, born in Virginia, in school
Clarke, C. Henry, 5, male, born in Virginia
Clarke, Thos. E., 7/12, male, born in Virginia

1870 U.S. Census, Essex County, Virginia
Millers Tavern Post Office
Page 113
Dwelling 55, Family 55
Clark, Washington L., 46, male, white, carpenter, value of real estate $300, value of personal estate $100, born in Virginia
Clark, Lucinda C., 46, female, white, keeping house, born in Virginia
Clark, Walter T., 21, male, white, farmer, born in Virginia
Clark, Thomas W., 10, male, white, attending school, born in Virginia, in school
Smith, Jane, 17, female, black, domestic servant, born Virginia, cannot write

1880 U.S. Census, Essex County, Virginia
Tappahannock Precinct
Page 120
Dwelling 96, Family 96
Clarke, Washington, white, male, 55, married, married during current year, house builder, born in Virginia, both parents born in Virginia
Clarke, Mary S., white, female, 44, wife, married, married during current year, keeping house, born in Virginia, both parents born in Virginia
Clarke, Walter, white, male, 32, son, single, carpenter, born in Virginia, both parents born in Virginia
Clarke, Charles, white, male, 25, son, single, laborer, born in Virginia, both parents born in Virginia
Clarke, Thomas, white, male, 20, son, single, farmer, born in Virginia, both parents born in Virginia

Information on Washington L. Clarke (name, marriage data) from Eleanor D. Wallace, letter to Thomas Moore of 8 March 1995.