TJ
Thomas Johnston — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Thomas Johnston across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1893), then head of a 9-person household.
Age 47
b. ~1893
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Johnston |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Burning of Fire |
| Industry | PW |
| Class of Worker | 2310 |
| Highest Grade | No 6 |
| 1935 Residence | 48 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Burning Of Fire |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1893 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Raymond Johnston | Son | — | 16 | ~1924 |
| Maurice Johnston | Son | — | 25 | ~1915 |
| Robert Johnston | Son | — | 18 | ~1922 |
| William Johnston | Son | — | 12 | ~1928 |
| Thomas Johnston | Son | — | 21 | ~1919 |
| Thomas Johnston | Head | — | 47 | ~1893 |
| Marie Johnston | Daughter | — | 13 | ~1927 |
| Nellie Johnston | Spouse | — | 45 | ~1895 |
| John Johnston | Son | — | 27 | ~1913 |
Census Appearances
1930
Allegheny, Pennsylvania
Head, age 37
Allegheny, Pennsylvania · implied b. ~1893 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Thomas E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 22 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Stenographer |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 37.00 |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 47
Allegheny-County, Pennsylvania · implied b. ~1893 — 9 household members
| Surname | Johnston |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (County) | Allegheny |
| Occupation | Burning of Fire |
| Industry | PW |
| Class of Worker | 2310 |
| Highest Grade | No 6 |
| 1935 Residence | 48 |
| 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 Thomas Johnston across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Johnston
Head · 1940 · age 47 · b. ~1893 · 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-t0627-03655-00377)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Patricia Schmitt | 4 | Daughter | — | Pennsylvania |
| 42 | Frank Gronau | 43 | Head | Utility Steam Heat | Pennsylvania |
| 43 | Margaret Gruber | 17 | Niece | — | Pennsylvania |
| 44 | Rita Marie Gruber | 21 | Niece | Restaurant | Pennsylvania |
| 45 | John Gruber | 19 | Nephew | B. Of. Factory | Pennsylvania |
| 46 | Dorothy Gruber | 13 | Niece | — | Pennsylvania |
| 47 | Stanley Dymkowski | 45 | Head | Pw | Poland |
| 48 | Stella Dymkowski | 43 | Wife | — | Pennsylvania |
| 49 | Josephine Dymkowski | 23 | Daughter | Wool Mill | Pennsylvania |
| 50 | Leon Dymkowski | 20 | Son | Dry Cleaning | Pennsylvania |
| 51 | Pearl Dymkowski | 18 | Daughter | — | Pennsylvania |
| 52 | Edmund Dymkowski | 14 | Son | — | Pennsylvania |
| 53 | Henrietta Dymkowski | 6 | Daughter | — | Pennsylvania |
| 54 | Benny Gouza | 51 | Head | 0 | Poland |
| 55 | Flossie Gouza | 41 | Wife | — | Pennsylvania |
| 56 | Sophie Gouza | 16 | Daughter | — | Pennsylvania |
| 57 | Walter Gouza | 13 | Son | — | Pennsylvania |
| 58 | William Gouza | 21 | Son | W. P. A. Road Maintenance | Pennsylvania |
| 59 | Bertha Gouza | 19 | Daughter | — | Pennsylvania |
| 60 | Bernadine Mary Ann Gouza | 18 | Daughter | — | Pennsylvania |
| 61 | Ralph Snyder | 38 | Head | County Sign Shop | Pennsylvania |
| 62 | Catherine Snyder | 41 | Wife | — | Pennsylvania |
| 63 | Stephen Powers | 18 | Stepson | Retail Grocery Store | Pennsylvania |
| 64 | Thomas Johnston THIS PERSON | 47 | Head | Burning Of Fire | Pennsylvania |
| 65 | Nellie Johnston | 45 | Wife | — | Pennsylvania |
| 66 | John Johnston | 27 | Son | Box Factory | Pennsylvania |
| 67 | Maurice Johnston | 25 | Son | Hotel | Pennsylvania |
| 68 | Thomas Johnston | 21 | Son | Hospital | Pennsylvania |
| 69 | Robert Johnston | 18 | Son | — | Pennsylvania |
| 70 | Raymond Johnston | 16 | Son | — | Pennsylvania |
| 71 | Marie Johnston | 13 | Daughter | — | Pennsylvania |
| 72 | William Johnston | 12 | Son | — | Pennsylvania |
| 73 | Marie M. Hoffman | 74 | Head | — | Pennsylvania |
| 74 | Frank A. Hoffman | 64 | Brother | W. P. A. Stone Yard | Pennsylvania |
| 75 | John Bauer | 64 | Head | Pw | Austria |
| 76 | Theresa Bauer | 53 | Wife | 0 | Austria |
| 77 | John Jr. Bauer | 31 | Son | Wholesale Bakery | Pennsylvania |
| 78 | William Bauer | 25 | Son | Wholesale Bakery | Pennsylvania |
| 79 | Edward Bauer | 23 | Son | Wholesale Bakery | Pennsylvania |
| 80 | Joseph Bauer | 17 | 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)