MW
Mary Washington — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Loudoun-County, Virginia
Our Model Tree links this Mary Washington across the 1930 and 1940 US Censuses in Loudoun-County, Virginia (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 13-person household.
Age 11
b. ~1929
Female
Daughter
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Loudoun-County, Virginia |
| Surname | Washington |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Mercer Mag. District |
| 1935 Residence (County) | Loudoun |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | Mercer Mag District |
| Est. Birth Year | ~1929 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Etta Washington | Daughter | — | 10 | ~1930 |
| Mary Washington | Daughter | — | 11 | ~1929 |
| Julia Washington | Daughter | — | 27 | ~1913 |
| Laura Washington | Daughter | — | 8 | ~1932 |
| Arthur Washington | Head | — | 50 | ~1890 |
| John Washington | Son | — | 25 | ~1915 |
| Robert Washington | Son | — | 24 | ~1916 |
| Richard Washington | Son | — | 22 | ~1918 |
| James Washington | Son | — | 17 | ~1923 |
| Norman Washington | Son | — | 15 | ~1925 |
| George Washington | Son | — | 9 | ~1931 |
| William Washington | Son | — | 19 | ~1921 |
| Sarah Washington | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Loudoun, Virginia
Daughter, age 2
Loudoun, Virginia · implied b. ~1928 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Washington |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | none |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Loudoun-County, Virginia
Daughter, age 11
Loudoun-County, Virginia · implied b. ~1929 — 13 household members
| Surname | Washington |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Mercer Mag. District |
| 1935 Residence (County) | Loudoun |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Mary Washington across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Washington
Daughter · 1940 · age 11 · b. ~1929 · Virginia
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Sibling
Robert Washington
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Laura Washington
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Washington
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Washington
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Washington
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Washington
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Washington
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norman Washington
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julia Washington
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Etta Washington
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Loudoun-County, Virginia
Open full size
1940 US Federal Census — Loudoun-County, Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04274-00413)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Walter L. Breeden | 52 | Head | Laborer | Virginia |
| 2 | Hettie H. Breeden | 36 | Wife | — | Virginia |
| 3 | James Breeden | 15 | Son | — | West Virginia |
| 4 | Sallie Breeden | 13 | Daughter | — | Virginia |
| 5 | Eva Breeden | 11 | Daughter | — | Virginia |
| 6 | Elmer Breeden | 9 | Son | — | Virginia |
| 7 | Hilda Breeden | 4 | Daughter | — | Virginia |
| 8 | John T. Ridgeway | 21 | Son in law | Laborer | Virginia |
| 9 | Elsie B. Ridgeway | 18 | Daughter | — | Virginia |
| 10 | Ernie E. Sutphin | 46 | Head | Manager | Virginia |
| 11 | Dossie M. Sutphin | 36 | Wife | — | Virginia |
| 12 | Gaylord M. Sutphin | 15 | Son | Laborer | Virginia |
| 13 | Irvin E. Sutphin | 10 | Son | — | Virginia |
| 14 | Tony L. Duncan | 32 | Head | Laborer | Virginia |
| 15 | Flossie F. Duncan | 29 | Wife | — | Virginia |
| 16 | Edward Duncan | 8 | Son | — | Virginia |
| 17 | Joseph G. Duncan | 3 | Son | — | Virginia |
| 18 | Vida B. Sorey | 57 | Head | Farmer | Virginia |
| 19 | Berkeley Lee | 56 | Butler | Farmer | Virginia |
| 20 | J. Thurman Newkirk | 34 | Head | Laborer | Virginia |
| 21 | Mabel B. Newkirk | 31 | Wife | — | Virginia |
| 22 | James E. Newkirk | 12 | Son | — | Virginia |
| 23 | Fred S. Turner | 64 | Head | Farmer | Virginia |
| 24 | Fred F. (A.B.) Turner | 24 | Son | — | Virginia |
| 25 | Mary C. Turner | 21 | Daughter | — | Virginia |
| 26 | Nellie M. (A.B.) Turner | 18 | Daughter | — | Virginia |
| 27 | Richard B. Turner | 11 | Son | — | Virginia |
| 28 | Arthur Washington | 50 | Head | Laborer | Virginia |
| 29 | Sarah S. Washington | 39 | Wife | — | Virginia |
| 30 | Julia Washington | 27 | Daughter | — | Virginia |
| 31 | John Washington | 25 | Son | Laborer | Virginia |
| 32 | Robert Washington | 24 | Son | Stone Mason | Virginia |
| 33 | Richard Washington | 22 | Son | Laborer | Virginia |
| 34 | William Washington | 19 | Son | — | Virginia |
| 35 | James Washington | 17 | Son | Laborer | Virginia |
| 36 | Norman Washington | 15 | Son | — | Virginia |
| 37 | Mary Washington THIS PERSON | 11 | Daughter | — | Virginia |
| 38 | Etta Washington | 10 | Daughter | — | Virginia |
| 39 | George Washington | 9 | Son | — | Virginia |
| 40 | Laura Washington | 8 | Daughter | — | Virginia |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)