DT
Donald Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Windsor-County, Vermont
Our Model Tree links this Donald Thompson across the 1920, 1930 and 1940 US Censuses in Windsor-County, Vermont (XGBoost, ~Confirmed), with identified parents Nellie & William — first a son (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Male
Son
Born: Vermont
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Windsor-County, Vermont |
| Surname | Thompson |
| Given Name | Donald S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Vermont |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Windsor |
| Additional Details | |
| Occupation | Laborer |
| Industry | Machine Tool |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 400 |
| Highest Grade | H 3 |
| 1935 Residence | Same house |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
| Occupation | Laborer |
| Township / Ward | Springfield |
| Est. Birth Year | ~1909 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Donald | Age | Birth yr |
|---|---|---|---|---|
| William Thompson | Head | — | 71 | ~1869 |
| Donald Thompson | Son | — | 31 | ~1909 |
| Nellie Thompson | Spouse | — | 23 | ~1917 |
| Leon Thompson | Son | — | 37 | ~1903 |
Census Appearances
1920
Windsor, Vermont
Son, age 11
Windsor, Vermont · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Donald H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Vermont |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Vermont |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1930
Windsor, Vermont
Son, age 21
Windsor, Vermont · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Donald H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Vermont |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Vermont |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1940
Windsor-County, Vermont
Son, age 31
Windsor-County, Vermont · implied b. ~1909 — 4 household members
| Surname | Thompson |
| Given Name | Donald S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Vermont |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Windsor |
| Occupation | Laborer |
| Industry | Machine Tool |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 400 |
| Highest Grade | H 3 |
| 1935 Residence | Same house |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
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 Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Nellie Thompson (~0.92 confidence) and father William Thompson (~0.92 confidence) and father W Thompson (~0.92 confidence) and father William Thompson (~0.92 confidence) and mother Nellie Thompson (~0.50 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.84
Mother
Nellie Thompson
b. ~1867
Source mother
● Household
· direct · ~0.92
Father
William Thompson
b. ~1868
Source father
● Household
· direct · ~0.92
Father
W Thompson
b. ~1869
Source father
● Household
· direct · ~0.92
Father
William Thompson
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Nellie Thompson
b. ~1917
Source mother
● Household
· direct · ~0.5
This person
Anchor record
Donald Thompson
Son · 1940 · age 31 · b. ~1909 · Vermont
★ You are viewing this record
Sibling
Leon Thompson
Sibling · 1940 · age 37
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 — Windsor-County, Vermont
Open full size
1940 US Federal Census — Windsor-County, Vermont
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04240-00799)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Christine Johnson | 6 | Daughter | — | Vermont |
| 42 | Fred E. Johnson | 0 | Son | — | Vermont |
| 43 | Henry Aho | 69 | Head | Farmer | Finland |
| 44 | Henry Hormola | 55 | Hired hand | Laborer | Finland |
| 45 | Freon E. Aldrich | 43 | Head | Farmer | Vermont |
| 46 | Myra E. Aldrich | 42 | Wife | — | Vermont |
| 47 | Roland Aldrich | 21 | Son | Laborer | Vermont |
| 48 | Margaret Aldrich | 16 | Daughter | — | Vermont |
| 49 | Roland Bugbee | 25 | Head | Laborer | Vermont |
| 50 | Ruth Bugbee | 21 | Wife | — | Vermont |
| 51 | Harold Allen | 40 | Head | Laborer | Vermont |
| 52 | Althea Allen | 36 | Wife | — | New Hampshire |
| 53 | Fred Allen | 17 | Son | — | Vermont |
| 54 | Harry Allen | 14 | Son | — | Vermont |
| 55 | Ronald Allen | 11 | Son | — | Vermont |
| 56 | Billie-Gene Allen | 2 | Daughter | — | Vermont |
| 57 | Richard Tarbell | 39 | Head | Steel Tempering | Vermont |
| 58 | Julia Tarbell | 38 | Wife | — | New Hampshire |
| 59 | Russell Tarbell | 5 | Son | — | Vermont |
| 60 | Charles Tarbell | 51 | Head | Carpenter | Vermont |
| 61 | Ethel Tarbell | 59 | Wife | — | Vermont |
| 62 | Fred Tarbell | 23 | Son | Electrician | Vermont |
| 63 | Edward Tarbell | 18 | Son | — | Vermont |
| 64 | Albert Coburn | 72 | Head | — | New Hampshire |
| 65 | William Thompson | 71 | Head | Carpenter | Vermont |
| 66 | Nellie Thompson | 23 | Wife | — | Vermont |
| 67 | Leon Thompson | 37 | Son | Machinist | Vermont |
| 68 | Donald S. Thompson THIS PERSON | 31 | Son | Laborer | Vermont |
| 69 | Edward Parker | 46 | Head | Draftsman | Vermont |
| 70 | Ina Parker | 46 | Wife | — | Vermont |
| 71 | Ray Parker | 20 | Son | Printer Apprentice | Vermont |
| 72 | Cathrin Parker | 16 | Son | — | Vermont |
| 73 | Jean Parker | 13 | Daughter | — | Vermont |
| 74 | Joyce Parker | 11 | Daughter | — | Vermont |
| 75 | Richard Parker | 8 | Son | — | Vermont |
| 76 | Floyd Linda | 38 | Head | Truck Driver | New Hampshire |
| 77 | Hazel Linda | 37 | Wife | — | Vermont |
| 78 | Gordon Linda | 9 | Son | — | Massachusetts |
| 79 | Russell Martin | 19 | Head | Machinist | Vermont |
| 80 | Charlotte Martin | 19 | Wife | — | Vermont |
Pedigree Summary
Donald + 1 sibling
Gen 1 · 5 parents
~0.84
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)