TH
Thomas Hart — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Erie-County, New York
Our Model Tree links this Thomas Hart across the 1930 and 1940 US Censuses in Erie-County, New York (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 12-person household.
Age 22
b. ~1918
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Erie-County, New York |
| Surname | Hart |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Buffalo City |
| 1935 Residence (County) | Erie |
| Additional Details | |
| Occupation | mill hand |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 700 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Mill Hand |
| Township / Ward | Buffalo City |
| Est. Birth Year | ~1918 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Margaret Hart | Daughter | — | 17 | ~1923 |
| Marie Hart | Daughter | — | 21 | ~1919 |
| Patrick Hart | Head | — | 51 | ~1889 |
| Catherine Hart | Daughter | — | 20 | ~1920 |
| Charles Hart | Son | — | 13 | ~1927 |
| Eugene Hart | Son | — | 15 | ~1925 |
| Thomas Hart | Son | — | 22 | ~1918 |
| Honora Hart | Spouse | — | 48 | ~1892 |
| Nora Hart | Daughter | — | 19 | ~1921 |
| Lillian Hart | Daughter | — | 7 | ~1933 |
| Roger Hart | Son | — | 9 | ~1931 |
| Ellen Hart | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Erie, New …
Son, age 12
Erie, New York · implied b. ~1918 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hart |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Erie-County, New …
Son, age 22
Erie-County, New York · implied b. ~1918 — 12 household members
| Surname | Hart |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Buffalo City |
| 1935 Residence (County) | Erie |
| Occupation | mill hand |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 700 |
| 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 Thomas Hart across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Hart
Son · 1940 · age 22 · b. ~1918 · New York
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Sibling
Lillian Hart
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Hart
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Hart
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ellen Hart
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Hart
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Hart
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Hart
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nora Hart
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roger Hart
Sibling · 1940 · age 9
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 — Erie-County, New York
Open full size
1940 US Federal Census — Erie-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02823-00390)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bernard J. Rowe | 31 | Head | Trimmer | Penn |
| 2 | Mildred A. Rowe | 26 | Wife | — | New York |
| 3 | Bernard C. Rowe | 2 | Son | — | New York |
| 4 | Elizabeth Goodwin | 66 | Mother-in-law | — | New York |
| 5 | Patrick Hart | 51 | Head | Machinist | Irish Free State |
| 6 | Honora D. Hart | 48 | Wife | — | Irish Free State |
| 7 | Thomas Hart THIS PERSON | 22 | Son | Mill Hand | New York |
| 8 | Marie Hart | 21 | Daughter | — | New York |
| 9 | Catherine Hart | 20 | Daughter | — | New York |
| 10 | Nora Hart | 19 | Daughter | — | New York |
| 11 | Margaret Hart | 17 | Daughter | — | New York |
| 12 | Eugene Hart | 15 | Son | — | New York |
| 13 | Ellen Hart | 14 | Daughter | — | New York |
| 14 | Charles Hart | 13 | Son | — | New York |
| 15 | Roger Hart | 9 | Son | — | New York |
| 16 | Lillian Hart | 7 | Daughter | — | New York |
| 17 | Cortland Cooley | 33 | Head | 1St Helper | New York |
| 18 | Rosalia Cooley | 28 | Wife | — | New York |
| 19 | William Cooley | 8 | Son | — | New York |
| 20 | Raymond Cooley | 5 | Son | — | New York |
| 21 | William Cooley | 58 | Father | Gardener | New York |
| 22 | Herbert B. Lett | 45 | Head | Millwright | Canada English |
| 23 | Gertrude Lett | 42 | Wife | — | Canada English |
| 24 | Gloria Lett | 15 | Daughter | — | New York |
| 25 | Douglas Lett | 9 | Son | — | New York |
| 26 | George Lett | 7 | Son | — | New York |
| 27 | Carol Lett | 3 | Daughter | — | New York |
| 28 | Nelson A. Brotherston | 21 | Head | Car Repairer | New York |
| 29 | Helen Brotherston | 25 | Wife | — | New York |
| 30 | Donald Brotherston | 4 | Son | — | New York |
| 31 | Eleanor Brotherston | 2 | Daughter | — | New York |
| 32 | William Mcgurn | 52 | Head | Laborer | New York |
| 33 | Susan A. Mcgurn | 49 | Wife | — | New York |
| 34 | Raymond Mcgurn | 25 | Son | Inspector | New York |
| 35 | Roxanne Mcgurn | 15 | Daughter | — | New York |
| 36 | Albert B. Jacka | 50 | Head | Laborer | Poland |
| 37 | Amelia Jacka | 60 | Wife | — | Poland |
| 38 | Helen Jacka | 22 | Daughter | Sten | New York |
| 39 | Patrick J. Crotty | 50 | Head | — | Irish Free State |
| 40 | Catherine Crotty | 47 | Wife | — | Irish Free State |
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)