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John Sweeney — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this John Sweeney across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Mrs — first a head (b.~1904), then head of a 3-person household.
Age 36
b. ~1904
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Sweeney |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Peabody City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Police Duty |
| Industry | Police Dept. |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 1800 |
| Highest Grade | C-1 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Police Duty |
| Township / Ward | Peabody City |
| Est. Birth Year | ~1904 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Mary Sweeney | Daughter | — | 2 | ~1938 |
| John Sweeney | Head | — | 36 | ~1904 |
| Esther Sweeney | Spouse | — | 32 | ~1908 |
Census Appearances
1920
Essex, Massachusetts
Son, age 15
Essex, Massachusetts · implied b. ~1905 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Son, age 25
Essex, Massachusetts · implied b. ~1905 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Irish Free State |
| Occupation | Painter |
| Industry | Building |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Head, age 36
Essex-County, Massachusetts · implied b. ~1904 — 3 household members
| Surname | Sweeney |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Peabody City |
| 1935 Residence (County) | Essex |
| Occupation | Police Duty |
| Industry | Police Dept. |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 1800 |
| Highest Grade | C-1 |
| 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 John Sweeney across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mrs Sweeney (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mrs Sweeney
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Sweeney
Head · 1940 · age 36 · b. ~1904 · 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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01588-00354)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen Hader | 57 | Wife | — | Massachusetts |
| 2 | Catherine Hader | 24 | Daughter | Typist | Massachusetts |
| 3 | William Hader | 28 | Son | Laborer | Massachusetts |
| 4 | Greta Hader | 26 | Daughter-in-law | — | Massachusetts |
| 5 | Dolphus Dumas | 49 | Head | Laborer | Massachusetts |
| 6 | Mary Dumas | 42 | Wife | — | Massachusetts |
| 7 | John Dumas | 15 | Son | — | Massachusetts |
| 8 | Mary Dumas | 13 | Daughter | — | Massachusetts |
| 9 | Grace Dumas | 11 | Daughter | — | Massachusetts |
| 10 | Helen Dumas | 10 | Daughter | — | Massachusetts |
| 11 | Dorothy Dumas | 9 | Daughter | — | Massachusetts |
| 12 | Dennis Riordan | 57 | Head | Tacker | Massachusetts |
| 13 | Mary Riordan | 54 | Sister | Frame Cleaner | Massachusetts |
| 14 | Sandra Halonen | 60 | Head | — | Finland |
| 15 | John J. Sweeney THIS PERSON | 36 | Head | Police Duty | Massachusetts |
| 16 | Esther Sweeney | 32 | Wife | — | Massachusetts |
| 17 | Mary Sweeney | 2 | Daughter | — | Massachusetts |
| 18 | Dennis Linehan | 61 | Head | Leather Worker | Ireland |
| 19 | Ella Linehan | 57 | Wife | — | Massachusetts |
| 20 | William Linehan | 27 | Son | Odd Jobs | Massachusetts |
| 21 | John Ainan | 30 | Head | Buffer | Italy |
| 22 | Evelyn Ainan | 26 | Wife | Stitcher | Massachusetts |
| 23 | Joseph Pinto | 39 | Head | Tanning Room | Portugal |
| 24 | Elizabeth Pinto | 33 | Wife | Clerk | Massachusetts |
| 25 | Anthony Pinto | 14 | Son | — | Massachusetts |
| 26 | David Pinto | 12 | Son | — | Massachusetts |
| 27 | Arthur Dionne | 33 | Head | Sprayer | Massachusetts |
| 28 | Jeanne Dionne | 30 | Wife | Stitcher | Massachusetts |
| 29 | Louise Dionne | 69 | Mother | — | Canada French |
| 30 | Blanche Dionne | 35 | Sister | Seasoner | Massachusetts |
| 31 | Harold Worsencroft | 34 | Head | Leather Sorter | England |
| 32 | Ida Worsencroft | 33 | Wife | Marker | Massachusetts |
| 33 | Richard Worsencroft | 14 | Son | — | Massachusetts |
| 34 | Ella Worsencroft | 13 | Daughter | — | Massachusetts |
| 35 | Joseph Pimenta | 46 | Head | Carpenter | Portugal |
| 36 | Partina Pimenta | 37 | Wife | Tapper | Portugal |
| 37 | Ida Pimenta | 14 | Daughter | — | Massachusetts |
| 38 | Antonio Pimenta | 13 | Son | — | Massachusetts |
| 39 | Agatha Pimenta | 11 | Daughter | — | Massachusetts |
| 40 | Dolores Pimenta | 3 | Daughter | — | Massachusetts |
Pedigree Summary
John
Gen 1 · 1 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)