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John Mcdonough — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, New Jersey
Our Model Tree links this John Mcdonough across the 1930 and 1940 US Censuses in Essex-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 10-person household.
Age 16
b. ~1924
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, New Jersey |
| Surname | McDonough |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | South Orange (village) |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | South Orange Village |
| Est. Birth Year | ~1924 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Jane Mcdonough | Daughter | — | 22 | ~1918 |
| Marie Mcdonough | Daughter | — | 7 | ~1933 |
| Elizabeth Mcdonough | Daughter | — | 18 | ~1922 |
| Richard Mcdonough | Head | — | 49 | ~1891 |
| Sadie Clinton | Other | — | 54 | ~1886 |
| Robert Mcdonough | Son | — | 10 | ~1930 |
| Richard Mcdonough | Son | — | 20 | ~1920 |
| John Mcdonough | Son | — | 16 | ~1924 |
| James Mcdonough | Son | — | 12 | ~1928 |
| Marie Mcdonough | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Essex, New …
Son, age 5
Essex, New Jersey · implied b. ~1925 — 10 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 | New Jersey |
| Mother's Birthplace | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Essex-County, New …
Son, age 16
Essex-County, New Jersey · implied b. ~1924 — 10 household members
| Surname | McDonough |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | South Orange (village) |
| 1935 Residence (County) | Essex |
| Highest Grade | H-3 |
| 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 16 · b. ~1924 · New Jersey
★ You are viewing this record
Sibling
James Mcdonough
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Mcdonough
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Mcdonough
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Mcdonough
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Mcdonough
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Mcdonough
Sibling · 1940 · age 22
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 — Essex-County, New Jersey
Open full size
1940 US Federal Census — Essex-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02340-00080)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lillian R. Shaw | 42 | Head | Teacher | Pennsylvania |
| 2 | Kathryn J. Shaw | 12 | Daughter | — | Pennsylvania |
| 3 | John B. Shaw | 10 | Son | — | Pennsylvania |
| 4 | Annie Smith | 30 | Maid | — | Virginia |
| 5 | Clarence J. Roemer | 39 | Head | Secretary-Treasurer | New Jersey |
| 6 | Pauline W. Roemer | 42 | Wife | — | New Jersey |
| 7 | Leo Roon | 42 | Head | Chemical Engineer | New York |
| 8 | Anna H. Roon | 44 | Wife | — | New York |
| 9 | Lois Ann Roon | 17 | Daughter | — | Ohio |
| 10 | Donald Roon | 16 | Son | — | New York |
| 11 | Jessie D. Morrow | 36 | Maid | Maid | New Jersey |
| 12 | Madelene A. Niemeyer | 46 | Boarder | Companion Secretary | New York |
| 13 | Richard A. Mcdonough | 49 | Head | Merchant | New Jersey |
| 14 | Marie J. Mcdonough | 44 | Wife | — | New Jersey |
| 15 | Jane Mcdonough | 22 | Daughter | Switchboard Operator | New Jersey |
| 16 | Richard A. Jr. Mcdonough | 20 | Son | — | New Jersey |
| 17 | Elizabeth B. Mcdonough | 18 | Daughter | — | New Jersey |
| 18 | John Mcdonough THIS PERSON | 16 | Son | — | New Jersey |
| 19 | James Mcdonough | 12 | Son | — | New Jersey |
| 20 | Robert Mcdonough | 10 | Son | — | New Jersey |
| 21 | Marie Mcdonough | 7 | Daughter | — | New Jersey |
| 22 | Sadie A. Clinton | 54 | Mother-in-law | Proprietor | New Jersey |
| 23 | Harry C. Mccurry | 52 | Head | Sales Mgr. | Kansas |
| 24 | Lucille O. Mccurry | 52 | Wife | — | New York |
| 25 | Helen H. Mccurry | 23 | Daughter | — | Indiana |
| 26 | Milton Rothschild | 35 | Head | Traveling Salesman | Germany |
| 27 | Eveline H. Rothschild | 31 | Wife | — | New Jersey |
| 28 | Myrtle Porter | 41 | Maid | Maid | Maryland |
| 29 | Roger J. Mitchell | 42 | Head | Manufacturer | Ohio |
| 30 | Audrey L. Mitchell | 43 | Wife | — | Pennsylvania |
| 31 | Frederick M. Mitchell | 14 | Son | — | New Jersey |
| 32 | Robert D. Mitchell | 11 | Son | — | New Jersey |
| 33 | Charles Burgess | 54 | Head | Supt. (V. Pres.) | Pennsylvania |
| 34 | Florence R. Burgess | 43 | Wife | — | Ohio |
| 35 | Sally Burgess | 13 | Daughter | — | New York |
| 36 | Florence S. Mckay | 53 | Boarder | Teacher | New York |
| 37 | Lucia C. Taylor | 50 | Maid | Maid | Virginia |
| 38 | John J. Mccloskey | 45 | Head | Lawyer | New Jersey |
| 39 | Helen Mccloskey | 45 | Wife | — | New Jersey |
| 40 | John J. Jr. Mccloskey | 14 | Son | — | New Jersey |
Related Census Records
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)