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John Mcdonough — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this John Mcdonough across the 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 6-person household.
Age 15
b. ~1925
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | McDonough |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | West New York |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Occupation | Salvager |
| Industry | Dept Store |
| Class of Worker | PW |
| Hours Worked | 15 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Salvager |
| Township / Ward | West New York |
| Est. Birth Year | ~1925 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Alice Mcdonough | Daughter | — | 17 | ~1923 |
| Mary Mcdonough | Daughter | — | 10 | ~1930 |
| Helen Mcdonough | Daughter | — | 12 | ~1928 |
| Robert Mcdonough | Head | — | 41 | ~1899 |
| John Mcdonough | Son | — | 15 | ~1925 |
| Charlotte Mcdonough | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Hudson, New …
Son, age 5
Hudson, New Jersey · implied b. ~1925 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonough |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland Free State |
| Mother's Birthplace | Ireland Free State |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Son, age 15
Hudson-County, New Jersey · implied b. ~1925 — 6 household members
| Surname | McDonough |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | West New York |
| 1935 Residence (County) | Hudson |
| Occupation | Salvager |
| Industry | Dept Store |
| Class of Worker | PW |
| Hours Worked | 15 |
| Highest Grade | Hs 2 |
| 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 Mcdonough across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mcdonough
Son · 1940 · age 15 · b. ~1925 · New Jersey
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Sibling
Helen Mcdonough
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Mcdonough
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mcdonough
Sibling · 1940 · age 10
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-t0627-02354-00831)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Leo Florio | 43 | Head | Salesman | Italy |
| 2 | Mary Florio | 41 | Wife | Dressmaker | New York |
| 3 | Joseph Florio | 20 | Son | Laborer | New York |
| 4 | Marion Florio | 18 | Daughter | Stenographer | New York |
| 5 | Christal Florio | 14 | Daughter | — | New Jersey |
| 6 | Harry O'Heaberg | 42 | Head | Salesman | New York |
| 7 | Helen O'Heaberg | 42 | Wife | — | New York |
| 8 | Harry Brennan | 52 | Head | Truck Driver | New York |
| 9 | Pauline Brennan | 45 | Wife | — | New Jersey |
| 10 | Robert Brennan | 16 | Son | — | New Jersey |
| 11 | Walter Danielson | 27 | Head | Clerk | New Jersey |
| 12 | Edith Danielson | 26 | Wife | Clerk | New Jersey |
| 13 | Thomas Weanedy | 32 | Head | Laborer | New Jersey |
| 14 | Sally Weanedy | 27 | Wife | Driller | New Jersey |
| 15 | Coroline Howard | 48 | Head | Bookkeeper | New York |
| 16 | Lyman Howard | 23 | Son | Draftsman | New Jersey |
| 17 | Anthony Dombrosky | 45 | Head | Beautician | Poland |
| 18 | Pauline Dombrosky | 43 | Wife | Beautician | Poland |
| 19 | Raymond Dombrosky | 18 | Son | — | New Jersey |
| 20 | Robert Dombrosky | 13 | Son | — | New Jersey |
| 21 | Joseph Michaletti | 32 | Head | Machine Opr | New Jersey |
| 22 | Rose Michaletti | 31 | Wife | Watcher | New Jersey |
| 23 | Fred Salah | 24 | Head | Clerk | New Jersey |
| 24 | Mildred Salah | 20 | Wife | Threader | New Jersey |
| 25 | Otto Meyer | 37 | Head | Manager | Germany |
| 26 | Anna Meyer | 33 | Wife | — | Germany |
| 27 | Otto Jr. Meyer | 8 | Son | — | New Jersey |
| 28 | Robert Hosak | 28 | Head | Service Man | New Jersey |
| 29 | Gertrude Hosak | 25 | Wife | Office Worker | New York |
| 30 | Robert Mcdonough | 41 | Head | — | New Jersey |
| 31 | Charlotte Mcdonough | 42 | Wife | Chauffeur | New Jersey |
| 32 | Alice Mcdonough | 17 | Daughter | Seller | New Jersey |
| 33 | John Mcdonough THIS PERSON | 15 | Son | Salvager | New Jersey |
| 34 | Helen Mcdonough | 12 | Daughter | — | New Jersey |
| 35 | Mary Mcdonough | 10 | Daughter | — | New Jersey |
| 36 | Angie Mcmullen | 53 | Head | — | New York |
| 37 | Richard Miller | 25 | Head | Polisher | New Jersey |
| 38 | Marion Miller | 21 | Wife | Packer | New Jersey |
| 39 | Edward Cattgrill | 27 | Head | Clerk | New Jersey |
| 40 | Emma Cattgrill | 21 | Wife | Packer | 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)