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Susan Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Susan Williams across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 9-person household.
Age 13
b. ~1927
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Williams |
| Given Name | Susan E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Mt. Lebanon |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | 9 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Mt Lebanon |
| Est. Birth Year | ~1927 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Susan | Age | Birth yr |
|---|---|---|---|---|
| Susan Williams | Daughter | — | 13 | ~1927 |
| Alvin Williams | Son | — | 10 | ~1930 |
| Alvin Williams | Head | — | 47 | ~1893 |
| Clarissa Williams | Spouse | — | 46 | ~1894 |
| Henry Williams | Son | — | 23 | ~1917 |
| Franklin Williams | Son | — | 17 | ~1923 |
| Clarissa Williams | Daughter | — | 15 | ~1925 |
| David Williams | Son | — | 21 | ~1919 |
| Mrs Williams | Other | — | — |
Census Appearances
1930
Allegheny, Pennsylvania
Daughter, age 3
Allegheny, Pennsylvania · implied b. ~1927 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Susan |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 13
Allegheny-County, Pennsylvania · implied b. ~1927 — 9 household members
| Surname | Williams |
| Given Name | Susan E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Mt. Lebanon |
| 1935 Residence (County) | Allegheny |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | 9 |
| 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 Susan Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Susan Williams
Daughter · 1940 · age 13 · b. ~1927 · Pennsylvania
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Sibling
Alvin Williams
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarissa Williams
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Franklin Williams
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Williams
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Williams
Sibling · 1940 · age 21
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
38 people indexed on this census page (nara:1940:m-t0627-03411-00495)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Doris Mary Timlin | 20 | Daughter | Secretary | Pennsylvania |
| 42 | Irvin John Timlin | 17 | Son | — | Pennsylvania |
| 43 | Walter Taylor | 51 | Head | Salesman | Indiana |
| 44 | Eva Taylor | 45 | Wife | — | North Carolina |
| 45 | Beatrice Taylor | 17 | Daughter | — | North Dakota |
| 46 | Walter Taylor | 15 | Son | — | West Virginia |
| 47 | John Taylor | 14 | Son | — | Pennsylvania |
| 48 | Mary E. Osborne | 65 | Head | — | Pennsylvania |
| 49 | Martha O. Brown | 45 | Daughter | Stenographer | Pennsylvania |
| 50 | Larson O. Brown | 17 | Grandson | — | Pennsylvania |
| 51 | Oscar Karlson | 52 | Lodger | Carpenter | Sweden |
| 52 | Joe Carless | 5 | Lodger | — | Pennsylvania |
| 53 | Robt. Henrich | 22 | Lodger | Mechanical Eng. | New York |
| 54 | A. J. Crago | 73 | Head | Traveling Salesman | Pennsylvania |
| 55 | Millie S. Crago | 61 | Wife | — | Germany |
| 56 | Mary Lou Crago | 23 | Daughter | — | Pennsylvania |
| 57 | Clark B. Mercer | 61 | Head | Clerk | Pennsylvania |
| 60 | Wilford A. Beadling | 45 | Head | Lawyer | Pennsylvania |
| 61 | Lillian M. Beadling | 34 | Wife | — | Pennsylvania |
| 62 | Elizabeth Beadling | 89 | Mother | — | Pennsylvania |
| 63 | David Timothy | 72 | Head | Degree Asst. | Pennsylvania |
| 64 | Wilhelmina Timothy | 59 | Wife | — | Pennsylvania |
| 65 | Nellie G. Baker | 58 | Head | Purchasing Dept. | Pennsylvania |
| 66 | Stella M. Baker | 48 | Sister | Stenographer | Pennsylvania |
| 67 | Alvin J. Williams | 47 | Head | Manager | Pennsylvania |
| 68 | Clarissa Williams | 46 | Wife | — | Pennsylvania |
| 69 | Henry E. Williams | 23 | Son | — | Pennsylvania |
| 70 | David J. Williams | 21 | Son | — | Pennsylvania |
| 71 | Franklin W. Williams | 17 | Son | — | Pennsylvania |
| 72 | Clarissa E. Williams | 15 | Daughter | — | Pennsylvania |
| 73 | Susan E. Williams THIS PERSON | 13 | Daughter | — | Pennsylvania |
| 74 | Alvin Jr. Williams | 10 | Son | — | Pennsylvania |
| 75 | Mrs. Emma Williams | None | Mother | — | Pennsylvania |
| 76 | Harry Long | 62 | Head | Watchman | Pennsylvania |
| 77 | Clara Long | 60 | Wife | — | Pennsylvania |
| 78 | Harry Jr. Long | 37 | Son | Salesman | Pennsylvania |
| 79 | Madelon Warning | 46 | Head | — | Pennsylvania |
| 80 | Edna Mae Warning | 40 | Sister | — | Pennsylvania |
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)