JD
John Donohue — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, New Jersey
Our Model Tree links this John Donohue across the 1920, 1930 and 1940 US Censuses in Middlesex-County, New Jersey (XGBoost, ~Confirmed), with identified parents Mary & John — first a head (b.~1900), then head of a 5-person household.
Age 40
b. ~1900
Male
Head
Born: NEW JERSEY
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, New Jersey |
| Surname | DONOHUE |
| Given Name | JOHN |
| Relationship to Head | HEAD |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | NEW JERSEY |
| 1935 Residence (City) | New Brunswick |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | SALESMAN |
| Industry | GROCERY FIRM |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1475 |
| Highest Grade | H 3 |
| 1935 Residence | SAME HOUSE |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Salesman |
| Township / Ward | New Brunswick |
| Est. Birth Year | ~1900 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Donohue | Head | — | 40 | ~1900 |
| Robert Donohue | Son | — | 15 | ~1925 |
| Jane Donohue | Daughter | — | 17 | ~1923 |
| Helen Donohue | Spouse | — | 38 | ~1902 |
| John Donohue | Son | — | 19 | ~1921 |
Census Appearances
1920
Middlesex, New …
Son, age 20
Middlesex, New Jersey · implied b. ~1900 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahue |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New York |
| Occupation | Student |
| Industry | College |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Middlesex, New …
Son, age 30
Middlesex, New Jersey · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahue |
| Given Name | John Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New York |
| Occupation | Salesman |
| Industry | Retail Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Middlesex-County, New …
Head, age 40
Middlesex-County, New Jersey · implied b. ~1900 — 5 household members
| Surname | DONOHUE |
| Given Name | JOHN |
| Relationship to Head | HEAD |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | NEW JERSEY |
| 1935 Residence (City) | New Brunswick |
| 1935 Residence (County) | Middlesex |
| Occupation | SALESMAN |
| Industry | GROCERY FIRM |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1475 |
| Highest Grade | H 3 |
| 1935 Residence | SAME HOUSE |
| 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 Donohue across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Donahue (~0.92 confidence) and father John Donahue (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Donahue
b. ~1863
Source mother
● Household
· direct · ~0.92
Father
John Donahue
b. ~1865
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Donohue
Head · 1940 · age 40 · b. ~1900 · New Jersey
★ You are viewing this record
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-t0627-02359-00906)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nils Carsons | 42 | LODGER | Manager | NEW JERSEY |
| 2 | Thomas E. Leach | 39 | HEAD | Store Manager | NEW JERSEY |
| 3 | Ester Leach | 37 | WIFE | — | NEW JERSEY |
| 4 | Thomas E. Leach | 1 | SON | — | NEW JERSEY |
| 5 | Clarabelle Roche | 50 | MOTHER-IN-LAW | Hair Dresser | NEW YORK |
| 6 | Bertha Horner | 23 | HEAD | — | GERMANY |
| 7 | William Bates | 45 | HEAD | Fireman | NEW JERSEY |
| 8 | Catherine Bates | 39 | WIFE | — | NEW JERSEY |
| 9 | Rose Ann Bates | 18 | DAUGHTER | — | NEW JERSEY |
| 10 | Theresa Bates | 13 | DAUGHTER | — | NEW JERSEY |
| 11 | Mary Ann Bates | 9 | DAUGHTER | — | NEW JERSEY |
| 12 | Margaret Bates | 5 | DAUGHTER | — | NEW JERSEY |
| 13 | Anne M. Eden | 40 | HEAD | Saleslady | NEW JERSEY |
| 14 | George E. Eden | 17 | SON | Stockman | NEW JERSEY |
| 15 | Lawrence L. Eden | 15 | SON | — | NEW JERSEY |
| 16 | John T. Jordan | 44 | HEAD | Painter | NORTH CAROLINA |
| 17 | Detta Jordan | 40 | WIFE | — | VIRGINIA |
| 18 | John Jr. Jordan | 15 | SON | Dramatics | VIRGINIA |
| 19 | Vernon D. Jordan | 14 | SON | New Worker | VIRGINIA |
| 20 | Robert Jordan | 12 | SON | — | NEW JERSEY |
| 21 | John Donohue THIS PERSON | 40 | HEAD | Salesman | NEW JERSEY |
| 22 | Helen Donohue | 38 | WIFE | — | NEW JERSEY |
| 23 | John Donohue | 19 | SON | — | NEW JERSEY |
| 24 | Jane Donohue | 17 | DAUGHTER | — | NEW JERSEY |
| 25 | Robert Donohue | 15 | SON | — | NEW JERSEY |
| 26 | Carrie Van Deursen | 61 | HEAD | — | PENNSYLVANIA |
| 27 | Edith Taylor | 70 | SISTER | — | PENNSYLVANIA |
| 28 | George Robinson | 33 | LODGER | Teacher | NEW JERSEY |
| 29 | Robert Miller | 25 | LODGER | Industrial Engineer | NEW JERSEY |
| 30 | Kenneth Curtis | 22 | LODGER | Time Keeper | NEW YORK |
| 31 | Elton Hanson | 24 | LODGER | New Worker | MICHIGAN |
| 32 | Minnie Tindell | 63 | HEAD | — | NEW JERSEY |
| 33 | Harry Crossman | 53 | HEAD | Manager | POLAND |
| 34 | Ray Crossman | 53 | WIFE | — | RUSSIA |
| 35 | Natalie Crossman | 25 | DAUGHTER | — | NEW YORK |
| 36 | Jerome Crossman | 23 | SON | — | NEW JERSEY |
| 37 | Jean Crossman | 13 | DAUGHTER | — | NEW JERSEY |
| 38 | Celia Crossman | 83 | MOTHER | — | POLAND |
| 39 | H. Albert Scieffert | 42 | HEAD | Merchant | NEW JERSEY |
| 40 | Mildred Scieffert | 35 | WIFE | — | NEW JERSEY |
Pedigree Summary
John
Gen 1 · 2 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)