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Joseph Sweeney — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this Joseph Sweeney across the 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1904), then head of a 8-person household.
Age 36
b. ~1904
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Sweeney |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Ridley Twp |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Ridley Twp |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| James Sweeney | Son | — | 20 | ~1920 |
| Theresa Sweeney | Daughter | — | 34 | ~1906 |
| Edmund Sweeney | Son | — | 19 | ~1921 |
| Elizabeth Sweeney | Spouse | — | 60 | ~1880 |
| Elizabeth Sweeney | Daughter | — | 17 | ~1923 |
| Joseph Sweeney | Son | — | 36 | ~1904 |
| Francis Sweeney | Son | — | 22 | ~1918 |
| William Sweeney | Head | — | 66 | ~1874 |
Census Appearances
1930
Delaware, Pennsylvania
Son, age 26
Delaware, Pennsylvania · implied b. ~1904 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Carpenter |
| Industry | Auto. Manufact |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Delaware-County, Pennsylvania
Son, age 36
Delaware-County, Pennsylvania · implied b. ~1904 — 8 household members
| Surname | Sweeney |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Ridley Twp |
| 1935 Residence (County) | Delaware |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Joseph Sweeney across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Sweeney
Son · 1940 · age 36 · b. ~1904 · Pennsylvania
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Sibling
Edmund Sweeney
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Sweeney
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Sweeney
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Sweeney
Sibling · 1940 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Sweeney
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Delaware-County, Pennsylvania
Open full size
1940 US Federal Census — Delaware-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03495-00536)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lillian Bostock | 26 | Wife | — | Pennsylvania |
| 2 | Phillip Bostock | 0 | Son | — | Pennsylvania |
| 3 | Albert Matthews | 37 | Head | Electric Welder | Virginia |
| 4 | Ruth Matthews | 25 | Wife | — | Pennsylvania |
| 5 | Albert Matthews | 3 | Son | — | Pennsylvania |
| 6 | Fayette Matthews | 2 | Daughter | — | Pennsylvania |
| 7 | Richard Matthews | 1 | Son | — | Pennsylvania |
| 8 | William Kennedy | 43 | Head | Fitter | Pennsylvania |
| 9 | Miriam Kennedy | 39 | Wife | — | Pennsylvania |
| 10 | William Jr Kennedy | 20 | Son | New Work | Pennsylvania |
| 11 | Henry Kennedy | 16 | Son | — | Pennsylvania |
| 12 | Martin Kennedy | 5 | Son | — | Pennsylvania |
| 13 | Charles Dembroski | 45 | Head | — | Poland |
| 14 | Josephine Dembroski | 40 | Wife | Helper | Poland |
| 15 | Wanda Dembroski | 18 | Daughter | — | Pennsylvania |
| 16 | Jennie Dembroski | 16 | Daughter | — | Pennsylvania |
| 17 | Mary Dembroski | 14 | Daughter | — | Pennsylvania |
| 18 | Rose Dembroski | 9 | Daughter | — | Pennsylvania |
| 19 | Irene Dembroski | 7 | Daughter | — | Pennsylvania |
| 20 | John Smith | 50 | Head | Chipper | Latvia |
| 21 | Josephine Smith | 48 | Wife | — | Austria |
| 22 | Elizabeth Smith | 20 | Daughter | Child Nurse / Housework | Pennsylvania |
| 23 | Pauline Smith | 16 | Daughter | — | Pennsylvania |
| 24 | John Weidman | 43 | Head | Chipper | Germany |
| 25 | Marlene Weidman | 39 | Wife | — | Pennsylvania |
| 26 | Albert J. Weidman | 14 | Son | — | Pennsylvania |
| 27 | William Weidman | 12 | Son | — | Pennsylvania |
| 28 | Gottlob Wuest | 84 | Head | — | Germany |
| 29 | Louisa Wuest | 71 | Wife | — | Pennsylvania |
| 30 | Melanie Wuest | 36 | Daughter | Clerical | Pennsylvania |
| 31 | William Wuest | 48 | Head | Machinist | Pennsylvania |
| 32 | Helen Wuest | 47 | Wife | — | Pennsylvania |
| 33 | William Sweeney | 66 | Head | Watchman | Pennsylvania |
| 34 | Elizabeth Sweeney | 60 | Wife | — | Pennsylvania |
| 35 | Joseph Sweeney THIS PERSON | 36 | Son | — | Pennsylvania |
| 36 | Theresa Sweeney | 34 | Daughter | Carpenter | Pennsylvania |
| 37 | Francis Sweeney | 22 | Son | R. N. Nurse | Pennsylvania |
| 38 | James Sweeney | 20 | Son | Helper | Pennsylvania |
| 39 | Edmund Sweeney | 19 | Son | — | Pennsylvania |
| 40 | Elizabeth Sweeney | 17 | Daughter | — | Pennsylvania |
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)