TS
Thomas Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hampden-County, Massachusetts
Our Model Tree links this Thomas Sullivan across the 1920, 1930 and 1940 US Censuses in Hampden-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Jeremiah & Catherine — first a head (b.~1899), then head of a 3-person household.
Age 41
b. ~1899
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hampden-County, Massachusetts |
| Surname | Sullivan |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Hampden |
| Additional Details | |
| Occupation | Chauffeur |
| Industry | Express Co |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1820 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Chauffeur |
| Township / Ward | Springfield |
| Est. Birth Year | ~1899 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Thomas Sullivan | Head | — | 41 | ~1899 |
| Jeremiah Sullivan | Son | — | 2 | ~1938 |
| Marion Sullivan | Spouse | — | 40 | ~1900 |
Census Appearances
1920
Hampden, Massachusetts
Son, age 20
Hampden, Massachusetts · implied b. ~1900 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Hampden, Massachusetts
Head, age 31
Hampden, Massachusetts · implied b. ~1899 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Thomas H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 22 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Driver |
| Industry | Express Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 38 |
| Radio Set | R |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Hampden-County, Massachusetts
Head, age 41
Hampden-County, Massachusetts · implied b. ~1899 — 3 household members
| Surname | Sullivan |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Hampden |
| Occupation | Chauffeur |
| Industry | Express Co |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1820 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Thomas Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jeremiah Sullivan (~0.92 confidence) and mother Catherine Sullivan (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jeremiah Sullivan
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Catherine Sullivan
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Sullivan
Head · 1940 · age 41 · b. ~1899 · Massachusetts
★ 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 — Hampden-County, Massachusetts
Open full size
1940 US Federal Census — Hampden-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01708-00389)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anna Maher | 32 | Sister | Clerk | Massachusetts |
| 42 | Ernest Blick | 31 | Head | Foreman | New Hampshire |
| 43 | Alice D. Blick | 28 | Wife | — | Vermont |
| 44 | William Blick | 4 | Son | — | — |
| 45 | Cedric Blick | 3 | Daughter | — | — |
| 46 | Sophie Esther Blick | 70 | Mother | — | Finland |
| 47 | George Mccallie | 36 | Head | Druggist | Massachusetts |
| 48 | Zula Mccallie | 35 | Wife | — | New York |
| 49 | Donald Mccallie | 7 | Son | — | Massachusetts |
| 50 | David Colby | 65 | Father-in-law | Plumber | Massachusetts |
| 51 | Grace Colby | 55 | Mother-in-law | — | New York |
| 52 | Edward Austen | 32 | Head | Salesman | New York |
| 53 | Esther Austen | 30 | Wife | — | Massachusetts |
| 54 | James Lowell Austen | 7 | Son | — | Massachusetts |
| 55 | David B. Austen | 6 | Son | — | Massachusetts |
| 56 | Joan Marie Austen | 4 | Daughter | — | — |
| 57 | Fred Vincent | 39 | Head | Advertising | Massachusetts |
| 58 | Madeline Vincent | 37 | Wife | — | Maine |
| 59 | Fred Jr. Vincent | 8 | Son | — | Massachusetts |
| 60 | David Vincent | 5 | Son | — | — |
| 61 | Charles Melville | 44 | Head | Electrician | Connecticut |
| 62 | Vera Melville | 43 | Wife | — | Massachusetts |
| 63 | Charles Jr. Melville | 12 | Son | — | Massachusetts |
| 64 | Robert Melville | 7 | Son | — | Massachusetts |
| 65 | Paul Melville | 4 | Son | — | — |
| 66 | Thomas Keaney | 38 | Head | Ink Maker | Massachusetts |
| 67 | Sarah M. Keaney | 35 | Wife | — | Massachusetts |
| 68 | Eleanor M. Keaney | 10 | Daughter | — | Massachusetts |
| 69 | Mark J. Keaney | 8 | Son | — | Massachusetts |
| 70 | Thomas Keaney | 5 | Son | — | — |
| 71 | Thomas Sullivan THIS PERSON | 41 | Head | Chauffeur | Massachusetts |
| 72 | Marion Sullivan | 40 | Wife | — | New York |
| 73 | Jeremiah Sullivan | 2 | Son | — | — |
| 74 | Mary J. Sullivan | 62 | Head | Teacher | Connecticut |
| 75 | Molly Sullivan | 23 | Daughter | Laborer | Massachusetts |
| 76 | Donald Sullivan | 21 | Son | — | Massachusetts |
| 77 | James J. Donovan | 58 | Head | Janitor | Massachusetts |
| 78 | Annie Donovan | 62 | Wife | — | Massachusetts |
| 79 | James J. Jr. Donovan | 23 | Son | Bookkeeper | Massachusetts |
| 80 | Charles F. Donovan | 21 | Son | Messenger | Massachusetts |
Pedigree Summary
Thomas
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)