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John Schwartz — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this John Schwartz across the 1920, 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed), with identified parents August & August — first a son (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Schwartz |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Occupation | Trainman |
| Industry | Rail Road Co. |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1847 |
| Highest Grade | H-3 |
| 1935 Residence | Same House |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Trainman |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1918 |
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 |
|---|---|---|---|---|
| Stella Schwartz | Daughter | — | 17 | ~1923 |
| Catharine Schwartz | Spouse | — | 46 | ~1894 |
| William Schwartz | Son | — | 21 | ~1919 |
| August Schwartz | Head | — | 51 | ~1889 |
| John Schwartz | Son | — | 22 | ~1918 |
Census Appearances
1920
Hudson, New …
Son, age 1
Hudson, New Jersey · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schwartz |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Occupation | none |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Hudson, New …
Son, age 12
Hudson, New Jersey · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schwartz |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Son, age 22
Hudson-County, New Jersey · implied b. ~1918 — 5 household members
| Surname | Schwartz |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Occupation | Trainman |
| Industry | Rail Road Co. |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1847 |
| 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 Schwartz across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father August Schwartz (~0.92 confidence) and father August Schwartz (~0.92 confidence) and mother Katie Schwartz (~0.92 confidence) and mother Catharine Schwartz (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
August Schwartz
b. ~1886
Source father
● Household
· direct · ~0.92
Father
August Schwartz
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Katie Schwartz
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Catharine Schwartz
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Schwartz
Son · 1940 · age 22 · b. ~1918 · New Jersey
★ You are viewing this record
Sibling
Stella Schwartz
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Schwartz
Sibling · 1940 · age 21
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-t0627-02403-00208)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | August Schwartz | 51 | Head | Blacksmith | Austria |
| 42 | Catharine Schwartz | 46 | Wife | — | Austria |
| 43 | William Schwartz | 21 | Son | Engineer | New Jersey |
| 44 | John Schwartz THIS PERSON | 22 | Son | Trainman | New Jersey |
| 45 | Stella Schwartz | 17 | Daughter | — | New Jersey |
| 46 | Peter Breen | 37 | Head | Trainman | New Jersey |
| 47 | Catharine Breen | 32 | Wife | — | Georgia |
| 48 | Peter Jr. Breen | 6 | Son | — | New Jersey |
| 49 | Marian Breen | 3 | Daughter | — | New Jersey |
| 50 | John Boretzky | 42 | Head | Pipe Fitter | Austria |
| 51 | Anna Boretzky | 42 | Wife | — | Austria |
| 52 | Michael Boretzky | 18 | Son | Clerk | New Jersey |
| 53 | Stephen Boretzky | 17 | Son | — | New Jersey |
| 54 | Marie Boretzky | 13 | Daughter | — | New Jersey |
| 55 | Alex (Ab) Khronko | 58 | Head | — | Austria |
| 56 | Anna Khronko | 57 | Wife | — | Austria |
| 57 | Anna Khronko | 21 | Daughter | Machine Operator | New Jersey |
| 58 | Olga Khronko | 16 | Daughter | — | New Jersey |
| 59 | John Richardson | 50 | Head | Trainman | New York |
| 60 | Mary Richardson | 46 | Wife | — | New York |
| 61 | James P. Hanley | 48 | Head | Mechanic | New Jersey |
| 62 | Jeanette Hanley | 49 | Wife | — | New Jersey |
| 63 | Elenora Gronboldt | 25 | Step Daughter | Telephone Operator | New Jersey |
| 64 | John A. Hinke | 33 | Head | Fireman | Pennsylvania |
| 65 | Margaret (Ab) Hinke | 31 | Wife | — | New Jersey |
| 66 | Margaret Hinke | 2 | Daughter | — | New Jersey |
| 67 | Michael Rivlin | 81 | Head | — | Ireland F.S. |
| 68 | Ellen Rivlin | 65 | Wife | — | Ireland F.S. |
| 69 | Carolin Munafo | 49 | Head | — | Italy |
| 70 | Blanch Munafo | 23 | Daughter | Operator | Italy |
| 71 | John Munafo | 22 | Son | Barber | Italy |
| 72 | Adele Munafo | 20 | Daughter | Operator, Mac. | Italy |
| 73 | Julia Munafo | 19 | Daughter | Clerk | Italy |
| 74 | Anthony Defallo | 30 | Son-in-law | Presser | Italy |
| 75 | Carmello Defallo | 29 | Daughter | — | Italy |
| 76 | Joseph Defallo | 10 | Grand-son | — | New York |
| 77 | Paul Defallo | 8 | Grand-son | — | New York |
| 78 | Anthony Jr. Defallo | 5 | Grand-son | — | New York |
| 79 | Salvatore Defallo | 2 | Grand-son | — | New York |
| 80 | George Defallo | 0 | Grand-son | — | California |
Pedigree Summary
John + 2 siblings
Gen 1 · 4 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)