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John Schmidt — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, New Jersey
Our Model Tree links this John Schmidt across the 1920, 1930 and 1940 US Censuses in Essex-County, New Jersey (XGBoost, ~Confirmed), with identified parents Peter & Sophia — 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 | Essex-County, New Jersey |
| Surname | Schmidt |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Newark |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Clerk |
| Industry | Post Office |
| Class of Worker | GW |
| Hours Worked | 42 |
| Income (1939) | 720 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Clerk |
| Township / Ward | Newark |
| 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 |
|---|---|---|---|---|
| Margaret Schmidt | Daughter | — | 25 | ~1915 |
| Peter Schmidt | Head | — | 50 | ~1890 |
| John Schmidt | Son | — | 22 | ~1918 |
| Peter Schmidt | Son | — | 23 | ~1917 |
| Sophia Schmidt | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Essex, New …
Son, age 1
Essex, New Jersey · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Germany |
| Mother Tongue | German |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Essex, New …
Son, age 11
Essex, New Jersey · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Essex-County, New …
Son, age 22
Essex-County, New Jersey · implied b. ~1918 — 5 household members
| Surname | Schmidt |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Newark |
| 1935 Residence (County) | Essex |
| Occupation | Clerk |
| Industry | Post Office |
| Class of Worker | GW |
| Hours Worked | 42 |
| Income (1939) | 720 |
| Highest Grade | H 4 |
| 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 Schmidt across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Peter Schmidt (~0.92 confidence) and mother Sophia Schmidt (~0.92 confidence) and father Peter Schmidt (~0.92 confidence) and father Peter Schmidt (~0.92 confidence) and mother Sofia Schmidt (~0.92 confidence) and mother Sophia Schmidt (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Peter Schmidt
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Sophia Schmidt
b. ~1886
Source mother
● Household
· direct · ~0.92
Father
Peter Schmidt
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Peter Schmidt
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Sofia Schmidt
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Sophia Schmidt
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Schmidt
Son · 1940 · age 22 · b. ~1918 · New Jersey
★ You are viewing this record
Sibling
Margaret Schmidt
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peter Schmidt
Sibling · 1940 · age 23
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-t0627-02424-00030)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George Mackay | 36 | Head | Mechanic | Scotland |
| 2 | Elizabeth Mackay | 27 | Wife | — | New Jersey |
| 3 | Evelyn Mackay | 16 | Daughter | — | New Jersey |
| 4 | Albert Lott | 56 | Head | Engineer | New Jersey |
| 5 | Elizabeth Lott | 55 | Wife | — | New Jersey |
| 6 | Catherine Fisher | 63 | Head | — | New Jersey |
| 7 | Russell Thran | 15 | Grandson | — | New Jersey |
| 8 | Louis Hellriegell | 66 | Head | Iron Molder | Germany |
| 9 | Mary Hellriegell | 64 | Wife | — | New Jersey |
| 10 | Louis Hellriegell | 24 | Son | Clerk | New Jersey |
| 11 | F. William Speckman | 34 | Head | Engineer | New Jersey |
| 12 | Hellen Speckman | 33 | Wife | — | New Jersey |
| 13 | Elissa Speckman | 8 | Daughter | — | New Jersey |
| 14 | William Bender | 43 | Head | Machinist | New Jersey |
| 15 | Emma Bender | 40 | Wife | — | New Jersey |
| 16 | Raymond Bender | 15 | Son | — | New Jersey |
| 17 | Peter Schmidt | 50 | Head | Police | New Jersey |
| 18 | Sophia Schmidt | 50 | Wife | — | New Jersey |
| 19 | Margaret Schmidt | 25 | Daughter | Assembler | New Jersey |
| 20 | Peter Schmidt | 23 | Son | Chauffeur | New Jersey |
| 21 | John Schmidt THIS PERSON | 22 | Son | Clerk | New Jersey |
| 22 | August Adams | 39 | Head | Police | New Jersey |
| 23 | Anna Adams | 30 | Wife | — | New Jersey |
| 24 | Donald Adams | 5 | Son | — | New Jersey |
| 25 | Joan Adams | 7 | Daughter | — | New Jersey |
| 26 | John Segale | 28 | Lodger | Sewer Construction | New Jersey |
| 27 | Laurance Prenez | 30 | Head | Clerk | Connecticut |
| 28 | Mary Prenez | 29 | Wife | — | New Jersey |
| 29 | Paul Prenez | 3 | Son | — | New Jersey |
| 30 | Joseph Campbell | 33 | Head | Spectator | New Jersey |
| 31 | Lillian Campbell | 33 | Wife | — | New Jersey |
| 32 | James Campbell | 5 | Son | — | New Jersey |
| 33 | Albert Linch | 26 | Head | Loader | New Jersey |
| 34 | Doris Linch | 22 | Wife | — | New Jersey |
| 35 | Albert Linch | 3 | Son | — | New Jersey |
| 36 | Joseph Thupien | 24 | Head | Laborer | Poland |
| 37 | Sophie Thupien | 23 | Wife | Bench Worker | Poland |
| 38 | William Triller | 30 | Head | Driver | New Jersey |
| 39 | Sophie Triller | 26 | Wife | Supervisor | New Jersey |
| 40 | Harry Hull | 40 | Head | Press Hand | New Jersey |
Pedigree Summary
John + 2 siblings
Gen 1 · 6 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)