CW
Cora Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Fairfax-County, Virginia
Our Model Tree links this Cora Williams across the 1930 and 1940 US Censuses in Fairfax-County, Virginia (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 7-person household.
Age 16
b. ~1924
Female
Daughter
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Fairfax-County, Virginia |
| Surname | Williams |
| Given Name | Cora |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Providence District |
| 1935 Residence (County) | Fairfax |
| Additional Details | |
| Industry | 0 |
| Class of Worker | No |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | Providence District |
| Est. Birth Year | ~1924 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Cora | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Williams | Daughter | — | 8 | ~1932 |
| Cora Williams | Daughter | — | 16 | ~1924 |
| Bertie Williams | Daughter | — | 9 | ~1931 |
| John Williams | Head | — | 40 | ~1900 |
| Nevelion Williams | Son | — | 11 | ~1929 |
| Henry Williams | Son | — | 13 | ~1927 |
| Edith Williams | Spouse | — | 34 | ~1906 |
Census Appearances
1930
Fairfax, Virginia
Daughter, age 7
Fairfax, Virginia · implied b. ~1923 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Cora |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Fairfax-County, Virginia
Daughter, age 16
Fairfax-County, Virginia · implied b. ~1924 — 7 household members
| Surname | Williams |
| Given Name | Cora |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Providence District |
| 1935 Residence (County) | Fairfax |
| Industry | 0 |
| Class of Worker | No |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| 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 Cora Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Cora Williams
Daughter · 1940 · age 16 · b. ~1924 · Virginia
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Sibling
Nevelion Williams
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Williams
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bertie Williams
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Williams
Sibling · 1940 · age 13
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 — Fairfax-County, Virginia
Open full size
1940 US Federal Census — Fairfax-County, Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04261-01025)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mattie Bush | 60 | Wife | — | Louisiana |
| 42 | Alfred Hughes | 66 | Head | — | England |
| 43 | Josephine Hughes | 48 | Wife | — | Pennsylvania |
| 44 | Bertha Langham | 54 | Sister-in-law | Clerk | Pennsylvania |
| 45 | Robert Shaw | 70 | Head | Truck-Garden | Maryland |
| 46 | Annie Shaw | 68 | Wife | — | South Carolina |
| 47 | Elizabeth Walker | 28 | Head | — | Washington D.C. |
| 48 | John Walker | 19 | Brother | Caretaker | Virginia |
| 49 | Catherine Walker | 9 | daughter | — | Virginia |
| 50 | Lois Walker | 5 | daughter | — | Virginia |
| 51 | Louis Walker | 2 | son | — | Virginia |
| 52 | Nattie Jones | 59 | Head | Truck-Driver | Virginia |
| 53 | Martha Jones | 59 | Wife | — | Virginia |
| 54 | Wilbur Jones | 20 | Son | Teamster | Virginia |
| 55 | James Jones | 60 | Head | Cement Finisher | Virginia |
| 56 | Delia Jones | 60 | Wife | — | Virginia |
| 57 | Hazel Jones | 22 | Daughter | Housework | Virginia |
| 58 | Maggie Philips | 45 | Head | — | Virginia |
| 59 | Robert Walters | 76 | Lodger | — | Virginia |
| 60 | Minnie Walters | 65 | Wife | — | Virginia |
| 61 | Claude Walters | 30 | Son | Carpenter | Virginia |
| 62 | Walter Byrd | 34 | Head | Laborer | Virginia |
| 63 | Margaret Byrd | 43 | Wife | — | Virginia |
| 64 | George Byrd | 6 | Son | — | Washington D.C. |
| 65 | Walter Byrd | 4 | Son | — | Washington D.C. |
| 66 | Calvin Byrd | 2 | Son | — | Wash. D.C. |
| 67 | Silva Byrd | 7 | Step-daughter | — | Pennsylvania |
| 68 | Martha James | 73 | Mother-in-law | — | Virginia |
| 69 | Jesse James | 29 | Brother-in-law | Well Digger | Virginia |
| 70 | John Williams | 40 | Head | Caretaker | Virginia |
| 71 | Edith Williams | 34 | Wife | — | Virginia |
| 72 | Cora Williams THIS PERSON | 16 | daughter | — | Virginia |
| 73 | Henry Williams | 13 | Son | — | Virginia |
| 74 | Nevelion Williams | 11 | Son | — | Virginia |
| 75 | Bertie Williams | 9 | daughter | — | Virginia |
| 76 | Gertrude Williams | 8 | daughter | — | Virginia |
| 77 | Lee Thornton | 62 | Head | Well Digger | Virginia |
| 78 | Georgiana Thornton | 44 | Wife | — | Maryland |
| 79 | Robert Thornton | 14 | Son | — | Virginia |
| 80 | Charles Thornton | 12 | Son | — | Virginia |
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)