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Frank Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Frank Williams across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Frank & Frank — first a son (b.~1916), then head of a 3-person household.
Age 24
b. ~1916
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Williams |
| Given Name | Frank J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Office Clerk |
| Industry | Machinery Company |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 2693 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Office Clerk |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1916 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Frank Williams | Head | — | 46 | ~1894 |
| Frank Williams | Son | — | 24 | ~1916 |
| Matilda Williams | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 4
Allegheny, Pennsylvania · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Frank Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 14
Allegheny, Pennsylvania · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Frank J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 24
Allegheny-County, Pennsylvania · implied b. ~1916 — 3 household members
| Surname | Williams |
| Given Name | Frank J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | Office Clerk |
| Industry | Machinery Company |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 2693 |
| Highest Grade | Hs 4 |
| 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 Frank Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Williams (~0.92 confidence) and father Frank Williams (~0.92 confidence) and father Frank Williams (~0.92 confidence) and mother Matilda Williams (~0.92 confidence) and mother Matilda Williams (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Williams
b. ~1894
Source father
● Household
· direct · ~0.92
Father
Frank Williams
b. ~1894
Source father
● Household
· direct · ~0.92
Father
Frank Williams
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Matilda Williams
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Matilda Williams
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Williams
Son · 1940 · age 24 · b. ~1916 · Pennsylvania
★ You are viewing this record
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-t0627-03662-00135)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William S. Wright | 50 | Head | Optometrist | Pennsylvania |
| 2 | Bella Q. Wright | 45 | Wife | — | Pennsylvania |
| 3 | Betty Jane Wright | 15 | Daughter | — | Pennsylvania |
| 4 | Wilda Carlee | 38 | Servant | Maid | Pennsylvania |
| 5 | Andrew Connelly | 54 | Head | Director | Pennsylvania |
| 6 | Hazel K. Connelly | 52 | Wife | — | Pennsylvania |
| 7 | Elizabeth M. Connelly | 74 | Mother | — | Pennsylvania |
| 8 | Gertrude Connelly | 36 | Sister | Stenographer | Pennsylvania |
| 9 | Gwendolyn Connelly | 31 | Sister | — | Pennsylvania |
| 10 | Richard Connelly | 16 | Son | — | Pennsylvania |
| 11 | Betty Starcelshi | 21 | Servant | Maid | Pennsylvania |
| 12 | Ray J. Clarke | 55 | Head | Assistant Controller | Pennsylvania |
| 13 | Clementine Clarke | 46 | Wife | — | Pennsylvania |
| 14 | Milton Clarke | 26 | Son | Billing Clerk | Pennsylvania |
| 15 | Betty Clarke | 18 | Daughter | — | Pennsylvania |
| 16 | Jean E. Clarke | 17 | Daughter | — | Pennsylvania |
| 17 | James Clarke | 7 | Son | — | Pennsylvania |
| 18 | Russell Jr. Mitchell | 43 | Head | Proprietor President | Pennsylvania |
| 19 | Kathryn Mitchell | 37 | Wife | — | West Virginia |
| 20 | Lynn C. Mitchell | 16 | Son | — | Pennsylvania |
| 21 | Shirley Ann Mitchell | 14 | Daughter | — | Pennsylvania |
| 22 | James D. Stinchcomb | 42 | Head | Teacher | Ohio |
| 23 | Kathryn Stinchcomb | 36 | Wife | — | Kentucky |
| 24 | James Stinchcomb | 9 | Son | — | Pennsylvania |
| 25 | Helen Jo Stinchcomb | 1 | Daughter | — | Pennsylvania |
| 26 | Alexander Campbell | 47 | Head | Salesman | Pennsylvania |
| 27 | Sarah Campbell | 44 | Wife | — | Pennsylvania |
| 28 | Margaret Campbell | 19 | Daughter | — | Pennsylvania |
| 29 | Mary Elizabeth Campbell | 16 | Daughter | — | Pennsylvania |
| 30 | Sarah Louise Campbell | 4 | Daughter | — | Pennsylvania |
| 31 | Herbert Mcgeegan | 42 | Head | Space Buyer | New York |
| 32 | Mabel Mcgeegan | 41 | Wife | — | New York |
| 33 | Eleanor Mcgeegan | 20 | Daughter | — | New York |
| 34 | Spencer Mcgeegan | 15 | Son | — | Pennsylvania |
| 35 | Phyllis Mcgeegan | 12 | Daughter | — | Pennsylvania |
| 36 | Allan Mcgeegan | 1 | Son | — | Pennsylvania |
| 37 | Frank J. Williams | 46 | Head | Dealer | Pennsylvania |
| 38 | Matilda Williams | 46 | Wife | — | Pennsylvania |
| 39 | Frank J. Jr. Williams THIS PERSON | 24 | Son | Office Clerk | Pennsylvania |
| 40 | Edward P. De Ninno | 32 | Head | Salesman | Pennsylvania |
Pedigree Summary
Frank
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)