MS
Mary Sweeney — 1940 US Census Record
Model Tree available1940 United States Federal Census · Camden-County, New Jersey
Our Model Tree links this Mary Sweeney across the 1920, 1930 and 1940 US Censuses in Camden-County, New Jersey (XGBoost, ~Confirmed), with identified parents James & James — first a daughter (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Camden-County, New Jersey |
| Surname | Sweeney |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Audubon Borough |
| 1935 Residence (County) | Camden |
| Additional Details | |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same home |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Audubon Borough |
| Est. Birth Year | ~1919 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Sweeney | Daughter | — | 27 | ~1913 |
| Catherine Sweeney | Daughter | — | 18 | ~1922 |
| Mary Sweeney | Daughter | — | 21 | ~1919 |
| James Sweeney | Head | — | 60 | ~1880 |
| Harold Sweeney | Son | — | 24 | ~1916 |
| James Sweeney | Son | — | 16 | ~1924 |
| Alfred Sweeney | Son | — | 25 | ~1915 |
Census Appearances
1920
Camden, New …
Daughter, age 1
Camden, New Jersey · implied b. ~1919 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Camden, New …
Daughter, age 12
Camden, New Jersey · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Camden-County, New …
Daughter, age 21
Camden-County, New Jersey · implied b. ~1919 — 7 household members
| Surname | Sweeney |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Audubon Borough |
| 1935 Residence (County) | Camden |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same home |
| 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 Mary Sweeney across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Sweeney (~0.92 confidence) and father James Sweeney (~0.92 confidence) and mother Annie Sweeney (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Sweeney
b. ~1875
Source father
● Household
· direct · ~0.92
Father
James Sweeney
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Annie Sweeney
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Sweeney
Daughter · 1940 · age 21 · b. ~1919 · New Jersey
★ You are viewing this record
Sibling
Catherine Sweeney
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Sweeney
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Sweeney
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Sweeney
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfred Sweeney
Sibling · 1940 · age 25
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 — Camden-County, New Jersey
Open full size
1940 US Federal Census — Camden-County, New Jersey
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02320-00223)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank Scarborough | 33 | Head | Truck Driver | New Jersey |
| 2 | Elizabeth Scarborough | 36 | Wife | — | New Jersey |
| 3 | Gerald Sheenmety | 35 | Head | Machinist | Ohio |
| 4 | Claire Sheenmety | 29 | Wife | — | Penna |
| 5 | John P. Finn | 38 | Head | Book-Keeper | Penna |
| 6 | Bridget Finn | 60 | Mother | — | Irish Free State |
| 7 | James Sweeney | 60 | Head | Inside Foreman | New Jersey |
| 8 | Gertrude Sweeney | 27 | Daughter | Secretary | New Jersey |
| 9 | Alfred Sweeney | 25 | Son | Iron Worker | New Jersey |
| 10 | Harold Sweeney | 24 | Son | Wire Coverer | New Jersey |
| 11 | Mary Sweeney THIS PERSON | 21 | Daughter | — | New Jersey |
| 12 | Catherine Sweeney | 18 | Daughter | — | New Jersey |
| 13 | James Sweeney | 16 | Son | — | New Jersey |
| 14 | Robert Ferguson | 35 | Head | Bank Clerk | Penna |
| 15 | Helen Ferguson | 30 | Wife | — | Penna |
| 16 | Barbara Ferguson | 3 | Daughter | — | Penna |
| 17 | William Daniels | 33 | Head | Salesman | New Jersey |
| 18 | Ellen Daniels | 29 | Wife | — | New Jersey |
| 19 | Wm Jr. Daniels | 4 | Son | — | New Jersey |
| 20 | John Daniels | 1 | Son | — | New Jersey |
| 21 | James Scoghegans | 32 | Head | Salesman | Penna |
| 22 | Beatrice Scoghegans | 31 | Wife | — | New Jersey |
| 23 | James Jr. Scoghegans | 4 | Son | — | Penna |
| 24 | Marshall Markoe | 29 | Head | Agent | Penna |
| 25 | Dorothy Markoe | 30 | Wife | — | Rhode Island |
| 26 | Chas H. Barrett | 36 | Head | Cashier | Penna |
| 27 | Marie H. Barrett | 31 | Wife | — | Penna |
| 28 | Chas Jr. Barrett | 7 | Son | — | Penna |
| 29 | Robert Barrett | 4 | Son | — | Penna |
| 30 | Chris. Strudell | 44 | Lodger | Auto Salesman | Penna |
| 31 | Wm J. Griffin | 42 | Head | Supervisor Clerk | Penna |
| 32 | Mary Griffin | 32 | Wife | — | Penna |
| 33 | Wm Jr. Griffin | 12 | Son | — | New Jersey |
| 34 | Francis Dorman | 27 | Bro-law | Inside Clerk | Penna |
| 35 | Abram Heaton | 50 | Head | Credit Clerk | Penna |
| 36 | Beatrice Heaton | 45 | Wife | — | New Jersey |
| 37 | Edward Heaton | 23 | Son | Mechanic Helper | Penna |
| 38 | Harry Theckesen | 73 | Head | Watchman | Penna |
| 39 | Amelia Theckesen | 70 | Wife | — | Penna |
Pedigree Summary
Mary + 5 siblings
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)