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Betty Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Betty Williams across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents George & Ethel — first a daughter (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Williams |
| Given Name | Betty |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Oakmont |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Office |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 750 |
| Highest Grade | H 4 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Stenographer |
| Township / Ward | Unincorporated Place Harmarville 180 |
| Est. Birth Year | ~1919 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Betty | Age | Birth yr |
|---|---|---|---|---|
| Betty Williams | Daughter | — | 21 | ~1919 |
| George Williams | Head | — | 56 | ~1884 |
| William Williams | Son | — | 28 | ~1912 |
| Ethel Williams | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Allegheny, Pennsylvania
Daughter, age 1
Allegheny, Pennsylvania · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Betty J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Daughter, age 11
Allegheny, Pennsylvania · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | William |
| Given Name | Betty J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 21
Allegheny-County, Pennsylvania · implied b. ~1919 — 4 household members
| Surname | Williams |
| Given Name | Betty |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Oakmont |
| 1935 Residence (County) | Allegheny |
| Occupation | Stenographer |
| Industry | Office |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 750 |
| Highest Grade | H 4 |
| 1935 Residence | Pennsylvania |
| 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 Betty Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Williams (~0.92 confidence) and mother Ethel Williams (~0.92 confidence) and father Israel Williams (~0.92 confidence) and father Newel William (~0.92 confidence) and mother Sarah Williams (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Williams
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Ethel Williams
b. ~1887
Source mother
● Household
· direct · ~0.92
Father
Israel Williams
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Newel William
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Sarah Williams
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Betty Williams
Daughter · 1940 · age 21 · b. ~1919 · Pennsylvania
★ You are viewing this record
Sibling
William Williams
Sibling · 1940 · age 28
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-t0627-03404-00944)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Peggy Connelly | 15 | daughter | — | Pennsylvania |
| 2 | Jean Connelly | 13 | daughter | — | Pennsylvania |
| 3 | Joan Connelly | 8 | daughter | — | Pennsylvania |
| 4 | John Barbery | 40 | Head | Coal Miner | Pennsylvania |
| 5 | Anne Barbery | 37 | Wife | — | Pennsylvania |
| 6 | George Jr. Barbery | 11 | Son | — | Pennsylvania |
| 7 | William Barbery | 9 | Son | — | Pennsylvania |
| 8 | Elizabeth Rogers | 50 | Head | — | Pennsylvania |
| 9 | Ida Rogers | 25 | daughter | — | Pennsylvania |
| 10 | Joseph Rogers | 23 | son | Laborer | Pennsylvania |
| 11 | Harvey Rogers | 20 | son | Laborer | Pennsylvania |
| 12 | Dorothy Rogers | 18 | daughter | — | Pennsylvania |
| 13 | Mary Rogers | 13 | daughter | — | Pennsylvania |
| 14 | Shirley Rogers | 5 | daughter | — | Pennsylvania |
| 15 | Abe Mcsimon | 56 | Head | Clerk | Scotland |
| 16 | Sadie Mcsimon | 52 | Wife | Clerk | Lithuania |
| 17 | Frank Buckel | 49 | Head | Coal Miner | Austria |
| 18 | Paul Broka | 58 | Head | Coal Miner | Czech-Slovakia |
| 19 | Mary Broka | 53 | Wife | — | Czech-Slovakia |
| 20 | Martin Bueris | 30 | Head | — | Pennsylvania |
| 21 | Mary Bueris | 19 | Wife | — | Czech-Slovakia |
| 22 | John Okada | 44 | Lodger | Coal Miner | Austria |
| 23 | John Solomany | 37 | Lodger | Coal Miner | Austria |
| 24 | David Stott | 51 | Head | Coal Miner | Pennsylvania |
| 25 | Pearl Stott | 48 | Wife | — | Pennsylvania |
| 26 | Gwendolyn Stott | 27 | daughter | — | Pennsylvania |
| 27 | Charles Stott | 7 | son | — | Pennsylvania |
| 28 | Sabin Mahut | 33 | Head | Coal Miner | Albania |
| 29 | Joseph Smith | 55 | Head | River Man | Pennsylvania |
| 30 | Laura Smith | 51 | Wife | — | Pennsylvania |
| 31 | George H. Williams | 56 | Head | Mechanic | Pennsylvania |
| 32 | Ethel Williams | 53 | Wife | — | Pennsylvania |
| 33 | William Williams | 28 | son | Machinist | Pennsylvania |
| 34 | Betty Williams THIS PERSON | 21 | daughter | Stenographer | Pennsylvania |
| 35 | James Simpson | 55 | Head | — | Scotland |
| 36 | Georgia Simpson | 50 | Wife | — | Pennsylvania |
| 37 | Wells D. Simpson | 26 | son | Coal Miner | Pennsylvania |
| 38 | Uldine Simpson | 20 | daughter | Clerk | Pennsylvania |
| 39 | Charles W. Peterson | 68 | Head | Clerk | Pennsylvania |
| 40 | Mary H. Peterson | 69 | Wife | — | Pennsylvania |
Pedigree Summary
Betty + 1 sibling
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)