DT
Donald Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Chautauqua-County, New York
Our Model Tree links this Donald Thomas across the 1920, 1930 and 1940 US Censuses in Chautauqua-County, New York (XGBoost, ~Confirmed), with identified parents George & Adelaide — first a head (b.~1902), then head of a 5-person household.
Age 38
b. ~1902
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Chautauqua-County, New York |
| Surname | Thomas |
| Given Name | Donald |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Dunkirk |
| Additional Details | |
| Occupation | Manager |
| Industry | Art Palace |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1800 |
| Highest Grade | Hs 4 |
| 1935 Residence | New York |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Manager |
| Township / Ward | Mayville |
| Est. Birth Year | ~1902 |
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 Donald | Age | Birth yr |
|---|---|---|---|---|
| Frederick Thomas | Son | — | 11 | ~1929 |
| Donald Thomas | Son | — | 13 | ~1927 |
| Richard Thomas | Son | — | 10 | ~1930 |
| Lulu Thomas | Spouse | — | 34 | ~1906 |
| Donald Thomas | Head | — | 38 | ~1902 |
Census Appearances
1920
Chautauqua, New …
Son, age 18
Chautauqua, New York · implied b. ~1902 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Donald A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Chautauqua, New …
Head, age 29
Chautauqua, New York · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Donald |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 24 |
| Father's Birthplace | New York |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Chautauqua-County, New …
Head, age 38
Chautauqua-County, New York · implied b. ~1902 — 5 household members
| Surname | Thomas |
| Given Name | Donald |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Dunkirk |
| Occupation | Manager |
| Industry | Art Palace |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1800 |
| Highest Grade | Hs 4 |
| 1935 Residence | New York |
| 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 Donald Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Thomas (~0.92 confidence) and mother Adelaide Thomas (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Thomas
b. ~1847
Source father
● Household
· direct · ~0.92
Mother
Adelaide Thomas
b. ~1860
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Donald Thomas
Head · 1940 · age 38 · b. ~1902 · 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 — Chautauqua-County, New York
Open full size
1940 US Federal Census — Chautauqua-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02509-00277)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George R Schuler | 50 | Head | Stationary Engineer | New York |
| 42 | Pauline S Schuler | 44 | Wife | — | New York |
| 43 | Lois Ann Schuler | 17 | Daughter | — | New York |
| 44 | Francis Lois Schuler | 70 | Mother in law | — | New York |
| 45 | Donald Thomas THIS PERSON | 38 | Head | Manager | Pennsylvania |
| 46 | Lulu B Thomas | 34 | Wife | — | New York |
| 47 | Donald A Thomas | 13 | Son | — | New York |
| 48 | Frederick Thomas | 11 | Son | — | New York |
| 49 | Richard Thomas | 10 | Son | — | New York |
| 50 | Arthur Hitchcock | 34 | Head | Machinist | New York |
| 51 | Hazel S Hitchcock | 37 | Wife | — | New York |
| 52 | Arthur Nelson | 54 | Head | Section Foreman | New York |
| 53 | Blanche S Nelson | 52 | Wife | — | New York |
| 54 | Marjorie Nelson | 20 | Daughter | Stenographer | New York |
| 55 | Donald Nelson | 24 | Son | Laborer | New York |
| 56 | Wail C Van Atter | 30 | Head | Foreman | New Jersey |
| 57 | Louise J Van Atter | 31 | Wife | — | New York |
| 58 | Joyce Joan Van Atter | 3 | Daughter | — | New York |
| 59 | Andrew C Barnes | 26 | Head | Bus Driver | New York |
| 60 | Irene O Barnes | 23 | Wife | — | New York |
| 61 | Phyllis Barnes | 3 | Daughter | — | New York |
| 62 | Priscilla Barnes | 2 | Daughter | — | New York |
| 63 | James M Jr Porter | 36 | Head | Truck Driver | New York |
| 64 | Verna Porter | 29 | Wife | Waitress | New York |
| 65 | John Rathbun | 55 | Head | Owner | New York |
| 66 | Ethel S Rathbun | 57 | Wife | — | New York |
| 67 | Allena Rathbun | 25 | Daughter | — | New York |
| 68 | Helen Rathbun | 20 | Daughter | — | New York |
| 69 | Andrew Carlson | 48 | Head | Partner | New York |
| 70 | Ruth B Carlson | 47 | Wife | — | New York |
| 71 | Dorothy Carlson | 16 | Daughter | — | New York |
| 72 | Donald Carlson | 15 | Son | — | New York |
| 73 | John Carlson | 10 | Son | — | New York |
| 74 | William D Bruce | 48 | Head | Owner | New York |
| 75 | Mildred R Bruce | 50 | Wife | — | Kansas |
| 76 | Josephine A Bruce | 23 | Daughter | Telephone Operator | New York |
| 77 | Richard R Bruce | 21 | Son | Butcher | New York |
| 78 | Robert A Bruce | 17 | Son | — | New York |
| 79 | Marion F Bruce | 16 | Daughter | — | New York |
| 80 | Frederick E Bruce | 14 | Son | — | New York |
Pedigree Summary
Donald
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)