DT
Donald Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Saratoga-County, New York
Our Model Tree links this Donald Thomas across the 1920, 1930 and 1940 US Censuses in Saratoga-County, New York (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a son (b.~1920), then head of a 8-person household.
Age 20
b. ~1920
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Saratoga-County, New York |
| Surname | Thomas |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Ballston Spa |
| 1935 Residence (County) | Saratoga |
| Additional Details | |
| Occupation | clerk |
| Industry | grocery store |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 814 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Clerk |
| Township / Ward | Ballston Spa |
| Est. Birth Year | ~1920 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Donald | Age | Birth yr |
|---|---|---|---|---|
| Charles Thomas | Son | — | 7 | ~1933 |
| Ruth Godfrey | Other | — | 70 | ~1870 |
| Mary Thomas | Spouse | — | 43 | ~1897 |
| Charles Thomas | Head | — | 47 | ~1893 |
| Godfrey Thomas | Son | — | 4 | ~1936 |
| Alfred Thomas | Son | — | 11 | ~1929 |
| Doris Thomas | Daughter | — | 16 | ~1924 |
| Donald Thomas | Son | — | 20 | ~1920 |
Census Appearances
1920
Saratoga, New …
Son, age
Saratoga, New York · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Donald |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Saratoga, New …
Son, age 10
Saratoga, New York · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Donald G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Saratoga-County, New …
Son, age 20
Saratoga-County, New York · implied b. ~1920 — 8 household members
| Surname | Thomas |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Ballston Spa |
| 1935 Residence (County) | Saratoga |
| Occupation | clerk |
| Industry | grocery store |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 814 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| 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 Donald Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Thomas (~0.92 confidence) and father Charles Thomas (~0.92 confidence) and father Charles Thomas (~0.92 confidence) and mother Mary Thomas (~0.92 confidence) and mother Mary Thomas (~0.92 confidence) and mother Mary Thomas (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Thomas
b. ~1893
Source father
● Household
· direct · ~0.92
Father
Charles Thomas
b. ~1893
Source father
● Household
· direct · ~0.92
Father
Charles Thomas
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Mary Thomas
b. ~1897
Source mother
● Household
· direct · ~0.92
Mother
Mary Thomas
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Mary Thomas
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Donald Thomas
Son · 1940 · age 20 · b. ~1920 · New York
★ You are viewing this record
Sibling
Doris Thomas
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Godfrey Thomas
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfred Thomas
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Thomas
Sibling · 1940 · age 7
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 — Saratoga-County, New York
Open full size
1940 US Federal Census — Saratoga-County, New York
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-02772-00055)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Andrew J. Olson | 54 | Head | — | Sweden |
| 2 | Bessie O. Purtman | 74 | Head | — | New York |
| 3 | Victor E. Liddy | 33 | Head | Machine Operator | New York |
| 4 | Geraldine Liddy | 10 | Daughter | — | New York |
| 5 | Anita Liddy | 9 | Daughter | — | New York |
| 6 | Richard Liddy | 3 | Son | — | New York |
| 7 | Catherine Spracher | 32 | Sister | — | New York |
| 8 | Gerald Spracher | 33 | Brother-in-law | Salesman | New York |
| 9 | Gary Spracher | 6 | Son | — | New York |
| 10 | Earnest O. Gray | 50 | Head | — | New York |
| 11 | Edith O. Gray | 54 | Sister | — | New York |
| 12 | William E. Thompson | 55 | Head | — | New York |
| 13 | Margaret Thompson | 56 | Wife | — | New York |
| 14 | Eva Thompson | 22 | Daughter | Finishing | New York |
| 15 | Fred O. Catlet | 72 | Head | — | New York |
| 16 | Cora Weber | 64 | Lodger | — | New York |
| 17 | Harry E. Bowers | 49 | Head | Machinist | New York |
| 18 | Florence Bowers | 42 | Wife | — | New York |
| 19 | Harry Bowers | 17 | Son | Dishwasher | New York |
| 20 | Russell Bowers | 17 | Son | — | New York |
| 21 | Norman Bowers | 6 | Daughter | — | New York |
| 22 | Arthur Denny | 45 | Head | Shaver | New York |
| 23 | Pearl O. Denny | 43 | Wife | — | New York |
| 24 | Lawrence Denny | 23 | Son | Laborer | New York |
| 25 | Charles Thomas | 47 | Head | Truck Driver | New York |
| 26 | Mary A. Thomas | 43 | Wife | — | New York |
| 27 | Donald Thomas THIS PERSON | 20 | Son | Clerk | New York |
| 28 | Doris Thomas | 16 | Daughter | — | New York |
| 29 | Alfred Thomas | 11 | Son | — | New York |
| 30 | Charles Thomas | 7 | Son | — | New York |
| 31 | Godfrey Thomas | 4 | Son | — | New York |
| 32 | Ruth Godfrey | 70 | Uncle | Proprietor | England |
| 33 | Harold E. Jones | 70 | Head | Proprietor | New York |
| 34 | Corine Jones | 69 | Wife | — | New York |
| 35 | George Mc Chesney | 61 | Lodger | Customer | New York |
| 36 | John Fredrick | 61 | Head | Laborer | Italy |
| 37 | Levi Abbey | 69 | Lodger | — | Michigan |
Pedigree Summary
Donald + 4 siblings
Gen 1 · 6 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)