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Cornelius Sullivan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hampden-County, Massachusetts
Our Model Tree links this Cornelius Sullivan across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Hampden-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1868), then head of a 6-person household.
Age 72
b. ~1868
Male
Head
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hampden-County, Massachusetts |
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 72 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Hampden |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Springfield |
| Est. Birth Year | ~1868 |
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 Cornelius | Age | Birth yr |
|---|---|---|---|---|
| Margaret Sullivan | Daughter | — | 19 | ~1921 |
| Cornelius Sullivan | Head | — | 72 | ~1868 |
| Margaret Sullivan | Spouse | — | 63 | ~1877 |
| John Sullivan | Son | — | 28 | ~1912 |
| Hazel Sullivan | Other | — | 34 | ~1906 |
| Cornelius Sullivan | Son | — | 22 | ~1918 |
Census Appearances
1900
Suffolk, Massachusetts
Other, age 32
Suffolk, Massachusetts · implied b. ~1868 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Ireland |
| Birth Month | Oct |
| Birth Year | 1868 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Write | Day laborer |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Middlesex, Massachusetts
Head, age 42
Middlesex, Massachusetts · implied b. ~1868 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 15 |
| Year of Immigration | 1884 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Driver |
| Industry | Shoe Shop |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Hampshire, Massachusetts
Head, age 51
Hampshire, Massachusetts · implied b. ~1869 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1885 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | General |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1895 |
| Birthplace (normalized) | ireland |
1930
Hampshire, Massachusetts
Head, age 62
Hampshire, Massachusetts · implied b. ~1868 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Cornelius C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1881 |
| Age at First Marriage | 22 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Clerk |
| Industry | Church |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Hampden-County, Massachusetts
Head, age 72
Hampden-County, Massachusetts · implied b. ~1868 — 6 household members
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 72 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Hampden |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Cornelius Sullivan across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 4 locations, using XGBoost record linkage.
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This person
Anchor record
Cornelius Sullivan
Head · 1940 · age 72 · b. ~1868 · Massachusetts
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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-t0627-01709-00424)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lucy Ollari | 27 | Daughter | Clerk | Massachusetts |
| 2 | Prisilo Ollari | 23 | Son | Truck Driver | Massachusetts |
| 3 | Michael Prince | 65 | Head | — | Italy |
| 4 | Philomena Prince | 65 | Wife | — | Italy |
| 5 | Lucy Toragredi | 45 | Head | — | Italy |
| 6 | Albert Toragredi | 25 | Son | Laborer | Italy |
| 7 | Frank Toragredi | 15 | Son | — | Massachusetts |
| 8 | Angelia Toragredi | 13 | Daughter | — | Massachusetts |
| 9 | John Toragredi | 12 | Son | — | Massachusetts |
| 10 | Mary Toragredi | 10 | Daughter | — | Massachusetts |
| 11 | Anna Toragredi | 6 | Daughter | — | Massachusetts |
| 12 | Theresa Toragredi | 3 | Daughter | — | Massachusetts |
| 13 | Carl Mercieri | 56 | Head | Blacksmith | Italy |
| 14 | Rose Mercieri | 45 | Wife | — | Italy |
| 15 | Alberico Mercieri | 22 | Son | Bartender | Massachusetts |
| 16 | Angelina Mercieri | 19 | Daughter | — | Massachusetts |
| 17 | Josephine Mercieri | 16 | Daughter | — | Massachusetts |
| 18 | Cornelius Sullivan THIS PERSON | 72 | Head | — | Ireland |
| 19 | Margaret Sullivan | 63 | Wife | — | Eire |
| 20 | John Sullivan | 28 | Son | Clerk | Massachusetts |
| 21 | Cornelius Sullivan | 22 | Son | Teamster | Massachusetts |
| 22 | Margaret Sullivan | 19 | Daughter | New Worker | Massachusetts |
| 23 | Hazel Mary Sullivan | 34 | Niece | Laundress | Eire |
| 24 | Leo Goodwin | 35 | Head | Grinder | Massachusetts |
| 25 | Catherine Goodwin | 38 | Wife | — | Massachusetts |
| 26 | Lillian Goodwin | 15 | Daughter | — | Massachusetts |
| 27 | Mary D. Goodwin | 9 | Daughter | — | Massachusetts |
| 28 | Joseph Veratti | 40 | Head | Truck Driver | Italy |
| 29 | Rose Veratti | 30 | Wife | — | Italy |
| 30 | Carl Parlangu | 41 | Head | — | Italy |
| 31 | Mary Parlangu | 30 | Wife | — | Colorado |
| 32 | Maria Parlangu | 15 | Daughter | — | Massachusetts |
| 33 | Anna Parlangu | 12 | Daughter | — | Massachusetts |
| 34 | Harvey Renaud | 24 | Head | Machinist | Massachusetts |
| 35 | Rita P. Renaud | 23 | Wife | — | Massachusetts |
| 36 | Ruth J. Renaud | 4 | Daughter | — | Massachusetts |
| 37 | Amelia Cecchetti | 36 | Head | — | Italy |
| 38 | Raymond Cecchetti | 16 | Son | — | Massachusetts |
| 39 | Francis Cecchetti | 7 | Son | — | Massachusetts |
| 40 | Mary Cecchetti | 4 | Daughter | — | Massachusetts |
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)