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Mary Bradley — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, New Jersey
Our Model Tree links this Mary Bradley across the 1920, 1930 and 1940 US Censuses in Middlesex-County, New Jersey (XGBoost, ~Confirmed), with identified parents Michael & Michael — first a daughter (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, New Jersey |
| Surname | Bradley |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Borough of Carteret |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Industry | 80 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Borough Of Carteret |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Bradley | Daughter | — | 21 | ~1919 |
| Michael Bradley | Head | — | 56 | ~1884 |
| John Bradley | Son | — | 23 | ~1917 |
| Margaret Bradley | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Middlesex, New …
Daughter, age 1
Middlesex, New Jersey · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bradley |
| Given Name | Mary T |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Mother Tongue | English |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Middlesex, New …
Daughter, age 11
Middlesex, New Jersey · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bradley |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Middlesex-County, New …
Daughter, age 21
Middlesex-County, New Jersey · implied b. ~1919 — 4 household members
| Surname | Bradley |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Borough of Carteret |
| 1935 Residence (County) | Middlesex |
| Industry | 80 |
| 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 Mary Bradley across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Michael Bradley (~0.92 confidence) and father Michael Bradley (~0.92 confidence) and mother Margaret Bradley (~0.92 confidence) and mother Margaret Bradley (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Michael Bradley
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Michael Bradley
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Margaret Bradley
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Margaret Bradley
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Bradley
Daughter · 1940 · age 21 · b. ~1919 · New Jersey
★ You are viewing this record
Sibling
John Bradley
Sibling · 1940 · age 23
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 — Middlesex-County, New Jersey
Open full size
1940 US Federal Census — Middlesex-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02358-00182)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Eppensteiner | 38 | Wife | Stenographer | New Jersey |
| 2 | John Hrivnak | 49 | Head | Foreman Foundry | New Jersey |
| 3 | Mary Hrivnak | 43 | Wife | — | New Jersey |
| 4 | Lawrence Hrivnak | 20 | Son | Handyman | New Jersey |
| 5 | Alfred Benner | 46 | Head | Plumber | New Jersey |
| 6 | Ada Benner | 41 | Wife | — | New Jersey |
| 7 | Teresa Benner | 13 | Daughter | — | New Jersey |
| 8 | Alphonsus Benner | 11 | Son | — | New Jersey |
| 9 | Frank Benner | 5 | Son | — | New Jersey |
| 10 | Oscar Stein | 50 | Head | Clerk | Germany |
| 11 | Martha Stein | 46 | Wife | — | Germany |
| 12 | Helena Stein | 22 | Daughter | Packer Foods | New Jersey |
| 13 | E. Claire Monahan | 36 | Lodger | Teacher | New Jersey |
| 14 | Ethel Snyder | 34 | Lodger | Teacher | New Jersey |
| 15 | Lewis Moore | 49 | Head | Watchman | New York |
| 16 | Anna Moore | 45 | Wife | — | Maryland |
| 17 | William Moore | 20 | Son | — | New Jersey |
| 18 | John C. Halpin | 48 | Head | Carpenter | Massachusetts |
| 19 | Anna Halpin | 40 | Wife | — | New Jersey |
| 20 | Cornelius Moody | 43 | Head | Engineer Locomotive | New Jersey |
| 21 | Hilda Moody | 43 | Wife | — | New Jersey |
| 22 | Joseph Zimmermann | 46 | Head | Foreman Rubber | Yugoslavia |
| 23 | Elsie Zimmermann | 41 | Wife | — | Hungary |
| 24 | Catherine Zimmermann | 22 | Daughter | Clerk-Key Punch | New Jersey |
| 25 | Adam Zimmermann | 21 | Son | Laboratory Chemist | New Jersey |
| 26 | Joseph Zimmermann | 19 | Son | Laboratory Chemist | Hungary |
| 27 | William Zimmermann | 11 | Son | — | New Jersey |
| 28 | Michael Wurst | 28 | Lodger | Laborer | Illinois |
| 29 | Theodore Knarr | 68 | Head | — | Russia |
| 30 | Mary Knarr | 60 | Wife | — | Germany |
| 31 | Helen Knarr | 21 | Daughter | New Worker | New Jersey |
| 32 | Michael Bradley | 56 | Head | Policeman | Austria |
| 33 | Margaret Bradley | 51 | Wife | — | New York |
| 34 | John Bradley | 23 | Son | Checker | New Jersey |
| 35 | Mary Bradley THIS PERSON | 21 | Daughter | — | New Jersey |
| 36 | Steven Sabo | 58 | Head | Laborer | Hungary |
| 37 | Mary Sabo | 48 | Wife | Cigar Maker | Hungary |
| 38 | Steven Sabo | 17 | Son | — | Ohio |
| 39 | Anna Meyer | 44 | Head | Machine Operator | New Jersey |
| 40 | Mary Meyer | 37 | Sister | Machine Operator | New Jersey |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 4 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)