ET
Emma Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Emma Thomas across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1878), then head of a 5-person household.
Age 62
b. ~1878
Female
Spouse
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Thomas |
| Given Name | Emma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | ALLEGHENY |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1878 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Emma | Age | Birth yr |
|---|---|---|---|---|
| Anna Thomas | Daughter | — | 29 | ~1911 |
| John Thomas | Head | — | 60 | ~1880 |
| Raymond Thomas | Other | — | 2 | ~1938 |
| John Thomas | Son | — | 34 | ~1906 |
| Emma Thomas | Spouse | — | 62 | ~1878 |
Census Appearances
1920
Allegheny, Pennsylvania
Spouse, age 40
Allegheny, Pennsylvania · implied b. ~1880 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Emma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | New York |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Allegheny, Pennsylvania
Other, age 50
Allegheny, Pennsylvania · implied b. ~1880 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Emma A. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | New York |
| Age at First Marriage | 24 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Allegheny-County, Pennsylvania
Spouse, age 62
Allegheny-County, Pennsylvania · implied b. ~1878 — 5 household members
| Surname | Thomas |
| Given Name | Emma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | ALLEGHENY |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Emma 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
Emma Thomas
Spouse · 1940 · age 62 · b. ~1878 · 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
40 people indexed on this census page (nara:1940:m-t0627-03668-00568)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Cuff | 63 | Head | — | Maryland |
| 2 | Michael Kenny | 62 | Brother | — | Maryland |
| 3 | Edward Doran | 55 | Head | Time Keeper | New York |
| 4 | Elsie Doran | 62 | Wife | Waiter | New York |
| 5 | Margaret Doran | 12 | Daughter | — | Pennsylvania |
| 6 | John Thomas | 60 | Head | Roofer | Pennsylvania |
| 7 | Emma Thomas THIS PERSON | 62 | Wife | — | New York |
| 8 | John H. Thomas | 34 | Son | Roofer | Pennsylvania |
| 9 | Anna Thomas | 29 | Daughter | — | Pennsylvania |
| 10 | Raymond Thomas | 2 | Grand Son | — | Pennsylvania |
| 11 | Julian Dubucue | 56 | Head | — | Pennsylvania |
| 12 | Anna Ferrett | 66 | Housekeeper | — | Pennsylvania |
| 13 | John Grace | 64 | Head | Laborer | Pennsylvania |
| 14 | Stella Grace | 63 | Wife | — | Pennsylvania |
| 15 | Stella Grace | 20 | Daughter | Stenographer | Pennsylvania |
| 16 | Jared Grace | 23 | Son | Clerk | Pennsylvania |
| 17 | Mary Grace | 20 | Daughter | New Worker | Pennsylvania |
| 18 | Charles Southorn | 30 | Head | Maintenance Man | Canada |
| 19 | Mary Southorn | 21 | Wife | — | Pennsylvania |
| 20 | Dolores Southorn | 11 | Daughter | — | Pennsylvania |
| 21 | Charles Southorn | 9 | Son | — | Pennsylvania |
| 22 | Robert Southorn | 6 | Son | — | Pennsylvania |
| 23 | Anthony Petrusy | 55 | Head | Laborer | Italy |
| 24 | Isabella Petrusy | 54 | Wife | — | Italy |
| 25 | Dominic Petrusy | 28 | Son | Roof Shingler | Pennsylvania |
| 26 | James Petrusy | 21 | Son | Truck Driver | Pennsylvania |
| 27 | Frank Petrusy | 10 | Son | — | Pennsylvania |
| 28 | Paul E Weiss | 33 | Head | Bread Salesman | Pennsylvania |
| 29 | Florance Weiss | 27 | Wife | — | Pennsylvania |
| 30 | Jerold Weiss | 7 | Son | — | Pennsylvania |
| 31 | Janet Weiss | 3 | Daughter | — | Pennsylvania |
| 32 | Jerold Crawford | 32 | Son-in-law | Crane Operator | Pennsylvania |
| 33 | Ethyl Crawford | 27 | Sister in law | Switch Board Operator | Pennsylvania |
| 34 | Carl From Holzer | 42 | Head | Pressman | Pennsylvania |
| 35 | Ethyl From Holzer | 40 | Wife | — | Pennsylvania |
| 36 | Roy From Holzer | 19 | Son | Laborer | Pennsylvania |
| 37 | Helen From Holzer | 16 | Daughter | — | Pennsylvania |
| 38 | Mona From Holzer | 13 | Daughter | — | Pennsylvania |
| 39 | Carl From Holzer | 9 | Son | — | Pennsylvania |
| 40 | Jean From Holzer | 4 | Daughter | — | 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)