1870 U.S. Census, Westmoreland County, Virginia:
Dwelling 650, Family 651
Davis, Joseph, 52, farmer, $40 real estate, $150 personal estate
Davis, Ann, 44, keeping house
Davis, Emeline, 16, at home
Davis, Samuel, 13, laborer
Davis, Frances, 11, at home
Davis, Lucy A., 7 at home
Sanford, Mary, 36, at home, cannot write

1880 U.S. Census, Westmoreland County, Virginia
Montross Magisterial District
Enumeration District 116
Page 8
Dwelling 42, Household 42
Davis, Joseph W L, white, male, 63, married, farmer, born in Virginia, both parents born in Virginia
Davis, Ellen J., white, female, 30, wife, married, keeping house, cannot write, born in Virginia, both parents born in Virginia
Davis, Francis E., white, female, 22, daughter, single, born in Virginia, both parents born in Virginia
Davis, Lucy A., white, female, 16, daughter, single, born in Virginia, both parents born in Virginia
Sanford, Mary A., white, female, 40, neice, single, seamstress, cannot write, born in Virginia, both parents born in Virginia

Oscar Davenport Sanford married Lucy Ann Davis on 3 January 1884 in Westmoreland County, Virginia. He was 25, single, a farmer. She was 19 and single. Both were born in Westmoreland County and were living there. The parents were Corbin and Eliza Sanford and Joseph W. L. and Ann Davis. [Westmoreland County, Virginia, Register of Marriages 1853, p. 97.]

On 13 July 1888, the Northern Neck News reported, “Mr. Oscar Sanford and wife, of Washington, D.C., is visiting relatives in the county. [Northern Neck News, 13 July 1888, page 3.]

On 25 August 1893, the Northern Neck News reported, “Mrs. Oscar Sanford, of Washington, is visiting at Mr. A. J. Montgomery’s, in the village.” [Northern Neck News, 25 August 1893, page 3.]

On 22 July 1892, the Northern Neck News reported, “The infant daughter of Mr. and Mrs. Oscar Sanford, died last Friday morning at the home of its parents near Templeman’s X Roads. [Northern Neck News, 22 July 1892, page 3.]

1900 U.S. Census, Washington, D.C.
Supervisor’s District 1, Enumeration District 130, Sheet 2
201 N Street
Dwelling 40, Family 40
Sandford, Oscar, head, white, male, born February 1861, age 39, married, married at age 17, born in Virginia, both parents born in Virginia, truck gardner, can read and write, speaks English, rents house
Sandford, Lucy, wife, white, female, born February 1864, age 36, married, married at age 17, mother of 6 children of whom 5 survive, born in Virginia, both parents born in Virginia, can read and write, speaks English
Sandford, Clarance, son, white, male, born February 1885, age 15, single, born in Virginia, both parents born in Virginia, at school for nine months of the year, can read and write, speaks English
Sandford, Howard, son, white, male, born July 1888, age 11, single, born in Virginia, both parents born in Virginia, at school for nine months of the year, can read and write, speaks English
Sandford, Nellie, daughter, white, female, born September 1890, age 9, single, born in Virginia, both parents born in Virginia, at school for nine months of the year, cannot read or write, speaks English
Sandford, Elizabeth, daughter, white, female, born June 1891, age 8, single, born in Virginia, both parents born in Virginia, at school for nine months of the year, cannot read or write, speaks English
Sandford, Josephine, daughter, white, female, born August 1899, age 9/12, single, born in Virginia, both parents born in Virginia

On 5 October 1905, Lucy A. Sanford, wife of Oscar D. Sanford, of Washington City and District of Columbia and Milford G. Davis of Westmoreland County and State of Virginia sold to Wm. W. Palmer of Westmoreland County and State of Virginia their interest right and title in two tracts of land in Westmoreland County. Lucy sold her interest in the land as the daughter of Joseph Davis, deceased, and Milford sold his interest in the land as the son of Grayson Davis, deceased, who was the son of Joseph Davis, deceased. The first tract was 8-1/2 acres, the second tract, which was referred to as the Dower, 1/4 acre. The deed referred to a survey made on 13 December 1860 by Jas. W. English. [Westmoreland County, Virginia, Deed and Will Book 63, pages 452–454.]

1910 U.S. Census, Washington, D.C.
Enumeration District 79, Sheet 13
110 “You” [U] Street
Dwelling 63, Family 67
Sanford, Oscar D., head, male, white, 50, married once, married for 27 years, born in Virginia, both parents born in Virginia, speaks English, merchant in wood yard, employer, can read and write
Sanford, Lucy A., wife, female, white, 46, married once, married for 27 years, mother of 7 children of whom 6 survive, born in Virginia, both parents born in Virginia, speaks English, no occupation
Sanford, Clarence W., son, male, white, 25, single, born in Virginia, both parents born in Virginia, speaks English, mason at stove yard, wage worker, not out of work on April 15, not out of work in 1909, can read and write
Sanford, Howard F., son, male, white, 22, born in Virginia, both parents born in Virginia, speaks English, mason at stove yard, wage worker, not out of work April 15, 12 months out of work in 1909, can read and write
Sanford, Nellie A., daughter, female, white, 20, single, born in Virginia, both parents born in Virginia, speaks English, no occupation, can read and write
Sanford, Elizabeth F., daughter, female, white, 17, single, born in Virginia, both parents born in Virginia, speaks English, no occupation, can read and write
Sanford, Josephine, daughter, female, white, 10, single, born in Virginia, both parents born in Virginia, speaks English, no occupation, can read and write, in school
Sanford, Lillian G., daughter, female, white, 6, single, born in the District of Columbia, both parents born in Virginia, speaks English, no occupation

1920 U.S. Census, Washington, D.C.
Enumeration District 93, Precinct 4, Sheet 9A
Enumerated 7 January 1920
156 Q Street, S.W.
Dwelling 199, Household 206
Sanford, Oscar, head, rents, male, white, age 62, married, can read and write, born in Virginia, both parents born in Virginia, speaks English, occupation wood yard, works on own account
Sanford, Lucy, wife, female, white, age 56, married, can read and write, born in Virginia, both parents born in Virginia, speaks English, no occupation
Sanford, Clarence, son, male, white, age 34, single, not in school, can read and write, born in Virginia, both parents born in Virginia, speaks English, occupation laborer in wood yard, wage worker
Sanford, Josephine, daughter, female, white, age 20, single, not in school, can read and write, born in Virginia, both parents born in Virginia, speaks English, occupation clerk in gov’t service, wage worker

1930 U.S. Census, Prince George’s County, Maryland:
Berwyn Election District No. 21
College Park Town
Enumerated 9 April 1930
Enumeration District 17-56, Supervisor’s District 5
Sheet 5A
505 Vassar Avenue
Dwelling 114, Household 116
Sanford, Oscar D., head, rents, $15 real value, no radio set, not on farm, male, white, age 71, married at age 25, not in school, can read and write, born in Virginia, both parents born in Virginia, no occupation
Sanford, Lucy A., wife, female, white, age 66, married at age 19, not in school, can read and write, born in Virginia, both parents born in Virginia, no occupation
Sanford, Clarence W., son, male, white, age 45, single, not in school, can read and write, born in Virginia, both parents born in Virginia, occupation carpenter in building construction, wage worker, at work previous day, not a veteran