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Jeremiah Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Worcester-County, Massachusetts
Our Model Tree links this Jeremiah Sullivan across the 1920, 1930 and 1940 US Censuses in Worcester-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Eugene & Hannah — first a head (b.~1898), then head of a 6-person household.
Age 42
b. ~1898
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Worcester-County, Massachusetts |
| Surname | Sullivan |
| Given Name | Jeremiah |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Fitchburg city |
| 1935 Residence (County) | Worcester |
| Additional Details | |
| Occupation | Fireman |
| Industry | Fire Dept. |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2100 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Fireman |
| Township / Ward | Fitchburg City |
| Est. Birth Year | ~1898 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jeremiah | Age | Birth yr |
|---|---|---|---|---|
| Robert Sullivan | Son | — | 11 | ~1929 |
| Irena Sullivan | Spouse | — | 35 | ~1905 |
| Marion Sullivan | Daughter | — | 9 | ~1931 |
| Jeremiah Sullivan | Head | — | 42 | ~1898 |
| Jeremiah Sullivan | Son | — | 5 | ~1935 |
| John Sullivan | Son | — | 2 | ~1938 |
Census Appearances
1920
Worcester, Massachusetts
Son, age 24
Worcester, Massachusetts · implied b. ~1896 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Jeremiah |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Machinist |
| Industry | Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Worcester, Massachusetts
Head, age 34
Worcester, Massachusetts · implied b. ~1896 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Jeremiah |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 27 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Machinist |
| Industry | Auto |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 30 |
| Radio Set | R |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Worcester-County, Massachusetts
Head, age 42
Worcester-County, Massachusetts · implied b. ~1898 — 6 household members
| Surname | Sullivan |
| Given Name | Jeremiah |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Fitchburg city |
| 1935 Residence (County) | Worcester |
| Occupation | Fireman |
| Industry | Fire Dept. |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2100 |
| Highest Grade | H-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 Jeremiah Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Eugene Sullivan (~0.92 confidence) and mother Hannah Sullivan (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Eugene Sullivan
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Hannah Sullivan
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Jeremiah Sullivan
Head · 1940 · age 42 · b. ~1898 · 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 — Worcester-County, Massachusetts
Open full size
1940 US Federal Census — Worcester-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01648-00263)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Irene Williams | 65 | Wife | — | Vermont |
| 42 | Harriett Brown | 69 | Housekeeper | Housekeeper | Vermont |
| 43 | Garne J. Parker | 38 | Head | Salesman | Finland |
| 44 | Sarah (X) Parker | 39 | Wife | — | Finland |
| 45 | Eugene Parker | 16 | Son | — | Massachusetts |
| 46 | Napoleon Girouard | 69 | Head | Sand Mixer | Rhode Island |
| 47 | Lillian Girouard | 59 | Wife | — | Massachusetts |
| 48 | Albert Cucchiara | 27 | Head | Attendant | Massachusetts |
| 49 | Vera (X) Cucchiara | 27 | Wife | — | Massachusetts |
| 50 | Albert Jr. Cucchiara | 3 | Son | — | Massachusetts |
| 51 | Irene C. Cucchiara | 0 | Daughter | — | Massachusetts |
| 52 | Louise (X) Dustin | 60 | Head | — | Massachusetts |
| 53 | Roland Dustin | 19 | Son | Laborer | Massachusetts |
| 54 | Carl A. (X) Willard | 34 | Head | Lathe Owner | New Hampshire |
| 55 | Jessie M. Willard | 26 | Wife (X) | — | Vermont |
| 56 | Pauline Willard | 1 | Daughter | — | Massachusetts |
| 57 | Jeremiah Sullivan THIS PERSON | 42 | Head | Fireman | Massachusetts |
| 58 | Irena Sullivan | 35 | Wife | Foreman | Massachusetts |
| 59 | Robert Sullivan | 11 | Son | — | Massachusetts |
| 60 | Marion Sullivan | 9 | Daughter | — | Massachusetts |
| 61 | Jeremiah Jr. Sullivan | 5 | Son | — | Massachusetts |
| 62 | John Sullivan | 2 | Son | — | Massachusetts |
| 63 | Martin Ricker | 52 | Head | Boiler Maker | Austria |
| 64 | Boleslava (X) Ricker | 47 | Wife | — | Poland |
| 65 | Martin Jr. Ricker | 20 | Son | App. Machinist | Massachusetts |
| 66 | John Ricker | 10 | Son | — | Massachusetts |
| 67 | Paul Ricker | 4 | Son | — | Massachusetts |
| 68 | Pauline Ricker | 4 | Daughter | — | Massachusetts |
| 69 | George Moore | 28 | Head | Machinist | Massachusetts |
| 70 | Mary W. Moore | 22 | Wife | — | Massachusetts |
| 71 | Helen Moore | 4 | Daughter | — | Massachusetts |
| 72 | George Jr. Moore | 1 | Son | — | Massachusetts |
| 73 | Bert A. Ross | 52 | Head | Engineer | New Hampshire |
| 74 | Lyda (X) Ross | 45 | Wife | — | Massachusetts |
| 75 | Ellen Ross | 23 | Daughter | Stitcher | Massachusetts |
| 76 | Edna Ross | 15 | Daughter | — | Massachusetts |
| 77 | David Hawthorne | 61 | Head | Awning Maker | Ireland |
| 78 | Julia (X) Hawthorne | 63 | Wife | — | Massachusetts |
| 79 | David Jr. Hawthorne | 26 | Son | Decorator | Massachusetts |
| 80 | Alex (X) Aalto | 57 | Head | Carpenter | Finland |
Pedigree Summary
Jeremiah
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)