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John Sweeney — 1940 US Census Record
Model Tree available1940 United States Federal Census · Camden-County, New Jersey
Our Model Tree links this John Sweeney across the 1920, 1930 and 1940 US Censuses in Camden-County, New Jersey (XGBoost, ~Confirmed), with identified parents Alexander & Mary — first a son (b.~1902), then head of a 3-person household.
Age 38
b. ~1902
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Camden-County, New Jersey |
| Surname | Sweeney |
| Given Name | John A |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Collingswood Boro |
| 1935 Residence (County) | Camden |
| Additional Details | |
| Occupation | Radio Inspector |
| Industry | Radio Manf. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2000 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Radio Inspector |
| Township / Ward | Collingswood Boro |
| Est. Birth Year | ~1902 |
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 |
|---|---|---|---|---|
| Alexander Sweeney | Head | — | 77 | ~1863 |
| Joseph Sweeney | Other | — | 36 | ~1904 |
| John Sweeney | Son | — | 38 | ~1902 |
Census Appearances
1920
Camden, New …
Son, age 18
Camden, New Jersey · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New Jersey |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Camden, New …
Son, age 27
Camden, New Jersey · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New Jersey |
| Occupation | Bookkeeper |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Camden-County, New …
Son, age 38
Camden-County, New Jersey · implied b. ~1902 — 3 household members
| Surname | Sweeney |
| Given Name | John A |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Collingswood Boro |
| 1935 Residence (County) | Camden |
| Occupation | Radio Inspector |
| Industry | Radio Manf. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2000 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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: father Alexander Sweeney (~0.92 confidence) and mother Mary Sweeney (~0.92 confidence) and mother Mary Sweeney (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alexander Sweeney
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Mary Sweeney
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Mary Sweeney
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Sweeney
Son · 1940 · age 38 · b. ~1902 · New Jersey
★ 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 — Camden-County, New Jersey
Open full size
1940 US Federal Census — Camden-County, New Jersey
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-02320-00802)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William B Buchanan | 49 | head | Electrician | Pennsylvania |
| 2 | Mary J Buchanan | 47 | wife | — | Pennsylvania |
| 3 | William B Jr Buchanan | 18 | son | Clerk | New Jersey |
| 4 | Robert H Buchanan | 9 | son | — | New Jersey |
| 6 | Alexander Lyon | 39 | head | Asbestos Worker | Delaware |
| 7 | Elsie Lyon | 31 | wife | — | Virginia |
| 8 | Cathrine Lyon | 9 | daughter | — | New Jersey |
| 9 | Richard Stratton | 30 | head | Agent | New Jersey |
| 10 | Emma Stratton | 29 | wife | — | Pennsylvania |
| 11 | Dorothy Stratton | 4 | daughter | — | New Jersey |
| 12 | Leslie C Mcallister | 50 | head | Electrical Engineer | Ohio |
| 13 | Mary C Mcallister | 51 | wife | — | Kentucky |
| 14 | Marie C Mcallister | 22 | daughter | — | New Jersey |
| 15 | Alexander F Sweeney | 77 | head | — | Pennsylvania |
| 16 | John A Sweeney THIS PERSON | 38 | son | Radio Inspector | New Jersey |
| 17 | Joseph W Sweeney | 36 | Brother | — | New Jersey |
| 18 | John H Hutton | 40 | head | Electrical Contractor | New Jersey |
| 19 | Ala H Hutton | 49 | wife | — | New Jersey |
| 20 | John H Jr Hutton | 18 | son | Laborer | New Jersey |
| 21 | Harry H Devoe | 43 | head | Stable Foreman | New Jersey |
| 22 | Hope C Devoe | 35 | wife | — | Massachusetts |
| 23 | Wesley Devoe | 10 | son | — | New Jersey |
| 24 | Carol Devoe | 4 | daughter | — | New Jersey |
| 25 | Evelyn Devoe | 1 | daughter | — | New Jersey |
| 26 | William Bowyer | 40 | head | Salesman | Virginia |
| 27 | Mildred Bowyer | 40 | wife | — | Virginia |
| 28 | Harry G Jr Lyons | 40 | head | Serviceman | Pennsylvania |
| 29 | Marie K Lyons | 38 | wife | — | New Jersey |
| 30 | Jean Marie Lyons | 7 | daughter | — | New Jersey |
| 31 | Kinsley, Marie Lyons | 63 | Mother-in-law | Demonstrator | Pennsylvania |
| 34 | Frank Harris | 35 | head | Plumbing Contractor | Pennsylvania |
| 35 | Pauline Harris | 32 | wife | — | Pennsylvania |
| 36 | Shirley Harris | 8 | daughter | — | New Jersey |
| 37 | Winfield F Devoe | 47 | head | Wagon Foreman | New Jersey |
| 38 | Mary J Devoe | 46 | wife | Domestic | Pennsylvania |
| 39 | John J Berry | 45 | cousin | Mechanic | Pennsylvania |
Pedigree Summary
John
Gen 1 · 3 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)