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Mary Mcdonough — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this Mary Mcdonough across the 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 6-person household.
Age 14
b. ~1926
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | McDonough |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1926 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Mcdonough | Daughter | — | 14 | ~1926 |
| Margaret Mcdonough | Daughter | — | 20 | ~1920 |
| James Mcdonough | Head | — | 44 | ~1896 |
| James Mcdonough | Son | — | 6 | ~1934 |
| Thomas Mcdonough | Son | — | 18 | ~1922 |
| William Mcdonough | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Hudson, New …
Daughter, age 4
Hudson, New Jersey · implied b. ~1926 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonough |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Poland |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Daughter, age 14
Hudson-County, New Jersey · implied b. ~1926 — 6 household members
| Surname | McDonough |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Highest Grade | 8 |
| 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 Mcdonough across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcdonough
Daughter · 1940 · age 14 · b. ~1926 · New Jersey
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Sibling
Thomas Mcdonough
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mcdonough
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mcdonough
Sibling · 1940 · age 6
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 — Hudson-County, New Jersey
Open full size
1940 US Federal Census — Hudson-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02408-00397)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Brandenburg | 43 | Head | Salesman | New Jersey |
| 2 | Anna Brandenburg | 35 | Wife | Saleslady | New Jersey |
| 3 | Jean Brandenburg | 10 | Daughter | — | New Jersey |
| 4 | Catherine Brady | 60 | Head | — | Eire |
| 5 | Arthur Brady | 34 | Son | Laborer | New Jersey |
| 6 | Bernard Brady | 31 | Son | Laborer | New Jersey |
| 7 | William Gademan | 52 | Head | Plumber | New Jersey |
| 8 | Margaret Gademan | 50 | Wife | — | New Jersey |
| 9 | Harry Wilkes | 20 | Step-son | Appraiser | New Jersey |
| 10 | John Gademan | 15 | Son | — | New Jersey |
| 11 | John J. Preston | 42 | Head | Chauffeur | New Jersey |
| 12 | Mary Preston | 40 | Wife | — | New Jersey |
| 13 | Robert Preston | 13 | Son | — | New Jersey |
| 14 | Joseph Panucci | 38 | Head | Chauffeur | Italy |
| 15 | Catherine Panucci | 38 | Wife | — | Maryland |
| 16 | Catherine Panucci | 14 | Daughter | — | New Jersey |
| 17 | John Hoey | 35 | Head | Welder | New Jersey |
| 18 | Estelle Hoey | 32 | Wife | — | New Jersey |
| 19 | Bella Hoey | 62 | Mother | Box-Maker | New Jersey |
| 20 | James Mcdonough | 44 | Head | Investigator | New Jersey |
| 21 | William Mcdonough | 42 | Wife | — | Poland |
| 22 | Margaret Mcdonough | 20 | Daughter | Stenographer | New Jersey |
| 23 | Thomas Mcdonough | 18 | Son | — | Ohio |
| 24 | Mary Mcdonough THIS PERSON | 14 | Daughter | — | New Jersey |
| 25 | James Mcdonough | 6 | Son | — | New Jersey |
| 26 | Emil Euler | 44 | Head | Cake-Baker | Germany |
| 27 | Johanna Euler | 44 | Wife | — | Germany |
| 28 | Marianne Euler | 15 | Daughter | — | Germany |
| 29 | James Rawlins | 45 | Head | Sales-Manager | New Jersey |
| 30 | Ethel Rawlins | 43 | Wife | — | New Jersey |
| 31 | Francis Rawlins | 25 | Son | Steward | New Jersey |
| 32 | James Rawlins | 23 | Son | Collector | New Jersey |
| 33 | Fred M. Gaudel | 54 | Head | Engineer | New Jersey |
| 34 | Margaret Gaudel | 50 | Wife | — | Scotland |
| 35 | Eva Gaudel | 20 | Daughter | Nurse-Maid | New Jersey |
| 36 | Flora Gaudel | 19 | Daughter | Packer | New Jersey |
| 37 | Dorothy Gaudel | 18 | Daughter | Sew-Worker | New Jersey |
| 38 | Joseph Gaudel | 17 | Son | Ice-Cream | New Jersey |
| 39 | Richard Gaudel | 9 | Son | — | New Jersey |
| 40 | William Mallon | 27 | Head | Brokerage Clerk | New Jersey |
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)