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Marie Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Marie Williams across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 6-person household.
Age 11
b. ~1929
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Williams |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marie | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Williams | Daughter | — | 5 | ~1935 |
| Marie Williams | Daughter | — | 11 | ~1929 |
| Esther Williams | Daughter | — | 9 | ~1931 |
| Vilma Williams | Daughter | — | 7 | ~1933 |
| Georgiana Williams | Daughter | — | 13 | ~1927 |
| Gertrude Williams | Head | — | 29 | ~1911 |
Census Appearances
1930
Allegheny, Pennsylvania
Other, age 1
Allegheny, Pennsylvania · implied b. ~1929 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Marie |
| Relationship to Head | Niece |
| Sex | F |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Georgia |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 11
Allegheny-County, Pennsylvania · implied b. ~1929 — 6 household members
| Surname | Williams |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Highest Grade | No 6 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Marie Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marie Williams
Daughter · 1940 · age 11 · b. ~1929 · Pennsylvania
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Sibling
Georgiana Williams
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Williams
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vilma Williams
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Esther Williams
Sibling · 1940 · age 9
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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03664-00433)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Hughes | 29 | Son | Locomotive Fireman | Pennsylvania |
| 2 | Marlene Hughes | 4 | Daughter | — | Pennsylvania |
| 3 | Joseph Lynch | 46 | Brother | Locomotive Engineer | Pennsylvania |
| 4 | William Smith | 66 | Head | Laborer | Virginia |
| 5 | Jesse Smith | 55 | Wife | — | Virginia |
| 6 | Mildred Smith | 25 | Daughter | Seamstress | Pennsylvania |
| 7 | Barbara Smith | 4 | Daughter | — | Pennsylvania |
| 8 | William Jones | 21 | Grandson | Laborer | Pennsylvania |
| 9 | Gletha Robinson | 29 | Lodger | — | Virginia |
| 10 | John Robinson | 4 | Lodger | — | Pennsylvania |
| 11 | Robert Payne | 34 | Head | Laborer | Alabama |
| 12 | Louisa Payne | 24 | Wife | — | North Carolina |
| 13 | Robert Payne | 4 | Son | — | Pennsylvania |
| 14 | Ralph Payne | 1 | Son | — | Pennsylvania |
| 15 | George Hollis | 24 | Head | Laborer | North Carolina |
| 16 | Louisa Hollis | 18 | Wife | — | Georgia |
| 17 | Earnest Hollis | 2 | Son | — | Pennsylvania |
| 18 | Charles Godfrey | 26 | Head | Laborer | Georgia |
| 19 | Dolores Godfrey | 20 | Wife | — | Pennsylvania |
| 20 | Gloria Godfrey | 2 | Daughter | — | Pennsylvania |
| 21 | Maurice Smith | 29 | Lodger | Laborer | Georgia |
| 22 | Gertrude Williams | 29 | Head | — | Georgia |
| 23 | Georgiana Williams | 13 | Daughter | — | Pennsylvania |
| 24 | Marie Williams THIS PERSON | 11 | Daughter | — | Pennsylvania |
| 25 | Esther Williams | 9 | Daughter | — | Pennsylvania |
| 26 | Vilma Williams | 7 | Daughter | — | Pennsylvania |
| 27 | Gertrude Ann Williams | 5 | Daughter | — | Pennsylvania |
| 28 | James Godfrey | 45 | Head | Laborer | Georgia |
| 29 | Erin Godfrey | 43 | Wife | — | Georgia |
| 30 | William Godfrey | 21 | Son | Laborer | Georgia |
| 31 | Armenta Godfrey | 16 | Daughter | — | Pennsylvania |
| 32 | James Jr. Godfrey | 13 | Son | — | Pennsylvania |
| 33 | George Godfrey | 9 | Son | — | Pennsylvania |
| 34 | Francis Godfrey | 6 | Son | — | Pennsylvania |
| 35 | Erin Godfrey | 3 | Daughter | — | Pennsylvania |
| 36 | Anna Johnson | 32 | Head | — | Georgia |
| 37 | Lee Charles Jr. Johnson | 4 | Son | — | Pennsylvania |
| 38 | Thelma Johnson | 2 | Daughter | — | Pennsylvania |
| 39 | Francis Coles | 67 | Head | — | Virginia |
| 40 | Saddie Coles | 34 | Wife | — | Georgia |
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)