JT
Julia Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Julia Thomas across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1876), then head of a 3-person household.
Age 64
b. ~1876
Female
Head
Born: Pennsylvania
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Thomas |
| Given Name | Julia |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | McKeesport City |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Mckeesport City |
| Est. Birth Year | ~1876 |
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 Julia | Age | Birth yr |
|---|---|---|---|---|
| Minnie Thomas | Daughter | — | 30 | ~1910 |
| Julia Thomas | Head | — | 64 | ~1876 |
| Sarah Thomas | Daughter | — | 16 | ~1924 |
Census Appearances
1920
Allegheny, Pennsylvania
Spouse, age 44
Allegheny, Pennsylvania · implied b. ~1876 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Julia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Spouse, age 53
Allegheny, Pennsylvania · implied b. ~1877 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Julia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 21 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 64
Allegheny-County, Pennsylvania · implied b. ~1876 — 3 household members
| Surname | Thomas |
| Given Name | Julia |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | McKeesport City |
| 1935 Residence (County) | Allegheny |
| Highest Grade | No 0 |
| 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 Julia Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Julia Thomas
Head · 1940 · age 64 · b. ~1876 · Pennsylvania
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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-t0627-03408-00026)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | Sam Wilking | 30 | Head | Foundry | Georgia |
| 3 | Ethel Wilking | 30 | Wife | — | Alabama |
| 4 | Minnie Sussuske | 68 | Head | — | Poland |
| 5 | Julia Sussuske | 20 | Daughter | Seamstress | Pennsylvania |
| 6 | Julia Thomas THIS PERSON | 64 | Head | — | Pennsylvania |
| 7 | Minnie Thomas | 30 | Daughter | Seamstress | Pennsylvania |
| 8 | Sarah Thomas | 16 | Daughter | — | Pennsylvania |
| 9 | Edmund Bowen | 30 | Head | Coremaker | Pennsylvania |
| 10 | Hazel Bowen | 28 | Wife | — | Pennsylvania |
| 11 | Dolores Bowen | 5 | Daughter | — | Pennsylvania |
| 12 | Grad Bowen | 1 | Daughter | — | Pennsylvania |
| 13 | Emma Kocis | 54 | Head | — | Hungary |
| 14 | Joseph Kocis | 25 | Son | — | Hungary |
| 15 | Hartman Margaret Kocis | 19 | Daughter | — | Hungary |
| 16 | James W. Mathewas | 31 | Head | Janitor | Pennsylvania |
| 17 | Helen Mathewas | 24 | Wife | — | Pennsylvania |
| 18 | Jane Mathewas | 3 | Daughter | — | Pennsylvania |
| 19 | Betty Jane Mathewas | 1 | Daughter | — | Pennsylvania |
| 20 | Charles Burak | 46 | Head | Labor | Czechoslovakia |
| 21 | Helen Burak | 37 | Wife | — | Slovakia |
| 22 | Charles Burak | 16 | Son | — | Pennsylvania |
| 23 | Anna Burak | 14 | Daughter | — | Pennsylvania |
| 24 | Johnny Burak | 11 | Son | — | Pennsylvania |
| 25 | Emil Gene Burak | 0 | Son | — | Pennsylvania |
| 26 | Steve Sattler | 24 | Head | Labor | Pennsylvania |
| 27 | Mary Sattler | 18 | Wife | — | Pennsylvania |
| 28 | Steven Sattler | 0 | Son | — | Pennsylvania |
| 30 | John Katko | 39 | Head | Labor | Pennsylvania |
| 31 | Mary Katko | 39 | Wife | — | Pennsylvania |
| 32 | John Katko | 10 | Son | — | Pennsylvania |
| 33 | Frank Katko | 8 | Son | — | Pennsylvania |
| 34 | Robert Katko | 4 | Son | — | Pennsylvania |
| 35 | Frank Presock | 36 | Head | Labor | Pennsylvania |
| 36 | Julia Presock | 30 | Wife | — | Pennsylvania |
| 37 | Mary Presock | 15 | Daughter | — | Pennsylvania |
| 38 | Thomas Presock | 13 | Son | — | Pennsylvania |
| 39 | Frank Presock | 12 | Son | — | Pennsylvania |
| 40 | Ernest Presock | 10 | Son | — | 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)