DT
Donald Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Erie-County, New York
Our Model Tree links this Donald Thompson across the 1920, 1930 and 1940 US Censuses in Erie-County, New York (XGBoost, ~Confirmed), with identified parents Ethel & Helen — first a son (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Erie-County, New York |
| Surname | Thompson |
| Given Name | Donald H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Buffalo City |
| 1935 Residence (County) | Erie |
| Additional Details | |
| Occupation | Supervisor |
| Industry | Paper Co |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1000 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Supervisor |
| Township / Ward | Buffalo City |
| Est. Birth Year | ~1914 |
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 |
|---|---|---|---|---|
| Donald Thompson | Son | — | 26 | ~1914 |
| Helen Thompson | Head | — | 50 | ~1890 |
| Rose Thompson | Other | — | 59 | ~1881 |
| Paul Thompson | Son | — | 23 | ~1917 |
Census Appearances
1920
Erie, New …
Son, age 6
Erie, New York · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Erie, New …
Son, age 16
Erie, New York · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| 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
Erie-County, New …
Son, age 26
Erie-County, New York · implied b. ~1914 — 4 household members
| Surname | Thompson |
| Given Name | Donald H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Buffalo City |
| 1935 Residence (County) | Erie |
| Occupation | Supervisor |
| Industry | Paper Co |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1000 |
| 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 Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Ethel Thompson (~0.92 confidence) and mother Helen Thompson (~0.92 confidence) and father William Thompson (~0.92 confidence) and father William Thompson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Ethel Thompson
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Helen Thompson
b. ~1890
Source mother
● Household
· direct · ~0.92
Father
William Thompson
b. ~1890
Source father
● Household
· direct · ~0.92
Father
William Thompson
b. ~1890
Source father
● Household
· direct · ~0.92
This person
Anchor record
Donald Thompson
Son · 1940 · age 26 · b. ~1914 · New York
★ You are viewing this record
Sibling
Paul Thompson
Sibling · 1940 · age 23
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-t0627-02835-00046)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Cecelia Robbins | 47 | Wife | — | New York |
| 42 | Lucille Robbins | 24 | Daughter | File Clerk | New York |
| 43 | Jeanette A Vick | 50 | Lodger | Delicatessen Clerk | New York |
| 44 | Helen E Thompson | 50 | Head | Maintenance | New York |
| 45 | Donald H Thompson THIS PERSON | 26 | Son | Supervisor | New York |
| 46 | Paul Thompson | 23 | Son | Corres. Clerk | New York |
| 47 | Rose Thompson | 59 | Sister | — | New York |
| 48 | Katherine Pope | 60 | Head | Stenographer | New York |
| 49 | Mary Pope | 58 | Partner | — | New York |
| 50 | Helen Stapleton | 26 | Lodger | Social Worker | Massachusetts |
| 51 | Frances J West | 39 | Head | Office Manager | New York |
| 52 | William D Evans | 65 | Head | Office Manager | New York |
| 53 | Lou H Evans | 56 | Wife | Housekeeper | New York |
| 54 | Mary Swart | 73 | Head | — | New York |
| 55 | Helen Swart | 47 | Daughter | Practical Nurse | New York |
| 56 | Jack Ludden | 9 | Grandson | — | New York |
| 57 | Thomas Quinn | 42 | Head | Supervisor | New York |
| 58 | Betty Marie Quinn | 35 | Wife | — | New York |
| 59 | Thomas Quinn | 6 | Son | — | New York |
| 60 | Nancy Marie Quinn | 3 | Daughter | — | New York |
| 61 | John Daly | 49 | Head | Stationary Engineer | New York |
| 62 | Mary Daly | 44 | Wife | — | New York |
| 63 | Mary Daly | 1 | Daughter | — | New York |
| 64 | William J Watkins | 57 | Head | Salesman | New York |
| 65 | Kitty B Watkins | 57 | Wife | — | New York |
| 66 | Gordon H Watkins | 28 | Son | Clerk | New York |
| 67 | Gordon H Ryan | 34 | Head | Freight Representative | New York |
| 68 | Mary Ryan | 29 | Wife | — | New York |
| 69 | Robert D Ryan | 3 | Son | — | New York |
| 70 | William R Ryan | 1 | Son | — | New York |
| 71 | Diane Ryan | 0 | Daughter | — | New York |
| 72 | Philip David Doran | 71 | Head | — | New York |
| 73 | Mary Agnes Doran | 69 | Wife | — | New York |
| 74 | John M Doran | 29 | Son | Dentist | New York |
| 75 | Helen M Doran | 30 | Daughter | Nurse | New York |
| 76 | Ole O Olden | 60 | Head | Sailor (Mate) | Norway |
| 77 | Ruth L Olden | 25 | Wife | — | Pennsylvania |
| 78 | Dorothy E Olden | 5 | Daughter | — | New York |
| 79 | Robert Thomas | 25 | Lodger | Sailor | Pennsylvania |
| 80 | Gerald E Elliott | 19 | Lodger | — | Maine |
Related Census Records
Pedigree Summary
Donald + 1 sibling
Gen 1 · 4 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)