JW
John Welsh — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this John Welsh across the 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1909), then head of a 6-person household.
Age 31
b. ~1909
Male
Son
Born: Scotland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Welsh |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Scotland |
| 1935 Residence (City) | KEARNY |
| 1935 Residence (County) | HUDSON |
| Naturalization Status | First papers filed |
| Additional Details | |
| Occupation | Mixer |
| Industry | Linoleum Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Mixer |
| Township / Ward | Kearny |
| Est. Birth Year | ~1909 |
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 |
|---|---|---|---|---|
| John Welsh | Son | — | 31 | ~1909 |
| John Welsh | Head | — | 54 | ~1886 |
| Sriers Welsh | Son | — | 16 | ~1924 |
| Margaret Welsh | Spouse | — | 52 | ~1888 |
| Thomas Welsh | Son | — | 30 | ~1910 |
| Elizabeth Welsh | Daughter | — | 19 | ~1921 |
Census Appearances
1930
Hudson, New …
Son, age 22
Hudson, New Jersey · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welsh |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Scotland |
| Naturalization Status | Alien |
| Year of Immigration | 1920 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Machinist |
| Industry | Engineering |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Veteran | No |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Hudson-County, New …
Son, age 31
Hudson-County, New Jersey · implied b. ~1909 — 6 household members
| Surname | Welsh |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Scotland |
| 1935 Residence (City) | KEARNY |
| 1935 Residence (County) | HUDSON |
| Naturalization Status | First papers filed |
| Occupation | Mixer |
| Industry | Linoleum Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Welsh across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Welsh
Son · 1940 · age 31 · b. ~1909 · New Jersey
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Sibling
Thomas Welsh
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Welsh
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sriers Welsh
Sibling · 1940 · age 16
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-t0627-02350-00477)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jane Lusk | 7 | Daughter | — | New Jersey |
| 2 | James Lusk | 4 | Son | — | New Jersey |
| 3 | Walter Dabkus | 46 | Head | Painter | Lithuania |
| 4 | Helen Dabkus | 40 | Wife | — | Lithuania |
| 5 | Virginia Dabkus | 15 | Daughter | — | New Jersey |
| 6 | George Lewis | 53 | Head | Depot Master | New Jersey |
| 7 | Elizabeth H. Lewis | 49 | Wife | — | New Jersey |
| 8 | Myrtle Lewis | 22 | Daughter | Mounter | New Jersey |
| 9 | George Lewis | 15 | Son | — | New Jersey |
| 10 | Ruth Lewis | 13 | Daughter | — | New Jersey |
| 11 | William W. Smack | 54 | Head | Carpenter | New Jersey |
| 12 | Rose Smack | 44 | Wife | — | New Jersey |
| 13 | John Smack | 23 | Son | Laborer | New Jersey |
| 14 | Marion Smack | 14 | Daughter | — | New Jersey |
| 15 | James Venezaleno | 27 | Head | Bartender | New Jersey |
| 16 | Mary Venezaleno | 26 | Wife | — | Penn |
| 17 | John Metz | 36 | Head | Crew Leader | Penn |
| 18 | Margaret K. Metz | 34 | Wife | — | Penn |
| 19 | James Metz | 17 | Son | — | New Jersey |
| 20 | Joyce Metz | 15 | Daughter | — | New Jersey |
| 21 | Barbara Metz | 3 | Daughter | — | New Jersey |
| 22 | Helen Leipent | 39 | Head | Sales Lady | New Jersey |
| 23 | Richard Leipent | 16 | Son | — | New Jersey |
| 24 | Francis Leipent | 10 | Son | — | New Jersey |
| 25 | Mary Kerekes | 63 | Mother | — | Hungary |
| 26 | Harvey Adams | 41 | Head | Locomotive Engineer | Penn |
| 27 | Pearl Adams | 44 | Wife | — | Penn |
| 28 | Harvey Adams | 16 | Son | — | Penn |
| 29 | Robert Edgar | 38 | Head | Stock Clerk | Scotland |
| 30 | Margurite Edgar | 39 | Wife | — | Virginia |
| 31 | Robert Edgar | 1 | Son | — | Scotland |
| 32 | William Slinger | 26 | Head | Machinist | New Jersey |
| 33 | Catherine Slinger | 26 | Wife | Ironer | Scotland |
| 34 | William Slinger | 1 | Son | — | New Jersey |
| 35 | John Welsh | 54 | Head | Machinist | Scotland |
| 36 | Margaret Welsh | 52 | Wife | — | Scotland |
| 37 | John Welsh THIS PERSON | 31 | Son | Mixer | Scotland |
| 38 | Thomas Welsh | 30 | Son | Color Mixer | Scotland |
| 39 | Elizabeth Welsh | 19 | Daughter | Clerk | Scotland |
| 40 | Sriers Welsh | 16 | Son | — | Scotland |
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)