DT
David Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Erie-County, New York
Our Model Tree links this David Thomas across the 1920, 1930 and 1940 US Censuses in Erie-County, New York (XGBoost, ~Confirmed) — first a head (b.~1871), then head of a 6-person household.
Age 69
b. ~1871
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Erie-County, New York |
| Surname | Thomas |
| Given Name | David A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Buffalo (city) |
| 1935 Residence (County) | Erie |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same Place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Buffalo City |
| Est. Birth Year | ~1871 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| Elinore Jansen | Daughter | — | 40 | ~1900 |
| David Thomas | Head | — | 69 | ~1871 |
| Walter Jansen | Other | — | 41 | ~1899 |
| Robert Jansen | Son | — | 4 | ~1936 |
| Paul Jansen | Son | — | 6 | ~1934 |
| Magdeline Thomas | Spouse | — | 63 | ~1877 |
Census Appearances
1920
Erie, New …
Head, age 48
Erie, New York · implied b. ~1872 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | David A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Claim Agent |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Erie, New …
Head, age 59
Erie, New York · implied b. ~1871 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | David A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 29 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Investigator |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 55.00 |
| Radio Set | R |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Erie-County, New …
Head, age 69
Erie-County, New York · implied b. ~1871 — 6 household members
| Surname | Thomas |
| Given Name | David A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Buffalo (city) |
| 1935 Residence (County) | Erie |
| Hours Worked | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same Place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 David 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
David Thomas
Head · 1940 · age 69 · b. ~1871 · New York
★ 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 — 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-t0627-02836-00508)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Sadie Pallas | 50 | Wife | — | Latvia |
| 42 | Marion Seaman | 28 | Son in law | Fruit | New York |
| 43 | Rose Seaman | 25 | Daughter | — | New York |
| 44 | David A. Thomas THIS PERSON | 69 | Head | — | Ohio |
| 45 | Magdeline Thomas | 63 | Wife | — | Pennsylvania |
| 46 | Walter T. Jansen | 41 | Son in law | Acct'T | Illinois |
| 47 | Elinore R. Jansen | 40 | Daughter | — | Pennsylvania |
| 48 | Paul J. Jansen | 6 | Son | — | New York |
| 49 | Robert E. Jansen | 4 | Son | — | New York |
| 50 | Donald O. Smith | 43 | Head | Secty | New York |
| 51 | Frances Smith | 36 | Wife | — | Pennsylvania |
| 52 | Donald A. Smith | 2 | Son | — | New York |
| 53 | Fred Nirschel | 38 | Head | Pilot | New York |
| 54 | Edith Nirschel | 36 | Wife | — | New York |
| 55 | Mark Nirschel | 16 | Son | Ad. Distr. | New York |
| 56 | Fred Nirschel | 10 | Son | — | New York |
| 57 | Winifred Rupert | 65 | Head | Dress-Maker | Pennsylvania |
| 58 | Gustave Bushardt | 28 | Roomer | Typer Setter | New York |
| 59 | Harry Dolakin | 27 | Head | Scrap I. Dealer | New York |
| 60 | Marion Dolakin | 24 | Wife | — | New York |
| 61 | William S. Dolakin | 1 | Son | — | New York |
| 62 | Maurice D. Greenberg | 39 | Head | Proprietor | Russia |
| 63 | Minnie Greenberg | 32 | Wife | — | Poland |
| 64 | Sandra Greenberg | 2 | Daughter | — | New York |
| 65 | George P. Good | 36 | Head | Mgr. Claims Dept. | New York |
| 66 | Florence Good | 34 | Wife | — | New York |
| 67 | Sally Jane Good | 8 | Daughter | — | New York |
| 68 | Patricia Ann Good | 0 | Daughter | — | New York |
| 69 | Elmer E. Good | 80 | Father | — | New York |
| 70 | Cyril R. Pfohl | 49 | Head | Attorney | New York |
| 71 | Alice L. Pfohl | 44 | Wife | Salesman | New York |
| 72 | Edward Pfohl | 21 | Son | Fire-Man | New York |
| 73 | George V. Pfohl | 20 | Son | New Worker | New York |
| 74 | Thomas J. Pfohl | 18 | Son | Winder | New York |
| 75 | John C. Pfohl | 16 | Son | — | New York |
| 76 | Cyril Jr. Pfohl | 7 | Son | — | New York |
| 77 | Ida D. Andrews | 50 | Head | — | New York |
| 78 | Marie H. Ostner | 34 | Sister | Gen'L Office Wk. | New York |
| 79 | Sam Ruttenstein | 62 | Head | Collector | Russia |
| 80 | Rose Ruttenstein | 60 | Wife | — | Russia |
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)