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John Schmidt — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this John Schmidt across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Earl & Carl — first a son (b.~1917), then head of a 9-person household.
Age 23
b. ~1917
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Schmidt |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Etna Borough |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | cook |
| Industry | food factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Cook |
| Township / Ward | Etna Borough |
| Est. Birth Year | ~1917 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Rosalia Schmidt | Daughter | — | 15 | ~1925 |
| Marie Schmidt | Daughter | — | 8 | ~1932 |
| Ruth Schmidt | Daughter | — | 12 | ~1928 |
| Michael Schmidt | Head | — | 50 | ~1890 |
| Clara Larson | Other | — | 32 | ~1908 |
| Francis Schmidt | Son | — | 19 | ~1921 |
| John Schmidt | Son | — | 23 | ~1917 |
| Norbert Schmidt | Son | — | 17 | ~1923 |
| Sabina Schmidt | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 2
Allegheny, Pennsylvania · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 13
Allegheny, Pennsylvania · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 23
Allegheny-County, Pennsylvania · implied b. ~1917 — 9 household members
| Surname | Schmidt |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Etna Borough |
| 1935 Residence (County) | Allegheny |
| Occupation | cook |
| Industry | food factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Earl Schmidt (~0.92 confidence) and father Carl Schmidt (~0.92 confidence) and mother Catharine Schmidt (~0.92 confidence) and mother Sabina Schmidt (~0.92 confidence) and father Michael Schmidt (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Earl Schmidt
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Carl Schmidt
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Catharine Schmidt
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Sabina Schmidt
b. ~1889
Source mother
● Household
· direct · ~0.92
Father
Michael Schmidt
b. ~1890
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Schmidt
Son · 1940 · age 23 · b. ~1917 · Pennsylvania
★ You are viewing this record
Sibling
Rosalia Schmidt
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norbert Schmidt
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Schmidt
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Schmidt
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Schmidt
Sibling · 1940 · age 19
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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03403-00679)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Schmidt | 11 | Son | — | Pennsylvania |
| 2 | Mary Anne Schmidt | 6 | Daughter | — | Pennsylvania |
| 3 | Renny Schmidt | 2 | Son | — | Pennsylvania |
| 4 | Harry Mckee | 63 | Head | Machinist | Pennsylvania |
| 5 | Laura Mckee | 49 | Wife | — | Pennsylvania |
| 6 | Elsie Mckee | 46 | Niece | — | Pennsylvania |
| 7 | Carl A. Gast | 53 | Head | Security Clerk | Pennsylvania |
| 8 | Grace W. Gast | 49 | Wife | — | Pennsylvania |
| 9 | Joseph A. Mcclymonds | 29 | Head | School Teacher | Pennsylvania |
| 10 | Vera Mcclymonds | 26 | Wife | — | Pennsylvania |
| 11 | Josephine Mcclymonds | 3 | Daughter | — | Pennsylvania |
| 12 | Fred G. Loscamp | 34 | Head | Account Clerk | Pennsylvania |
| 13 | Mathilda Loscamp | 34 | Wife | — | Pennsylvania |
| 14 | Fred Jr. Loscamp | 5 | Son | — | Pennsylvania |
| 15 | J. Reese Loscamp | 1 | Son | — | Pennsylvania |
| 16 | William Chapman | 71 | Head | Proprietor | Pennsylvania |
| 17 | Mary Chapman | 63 | Wife | — | Pennsylvania |
| 18 | Raymond Quinn | 31 | Head | Drug Salesman | Pennsylvania |
| 19 | Margaret Quinn | 31 | Wife | Bookkeeper | Pennsylvania |
| 20 | Michael Schmidt | 50 | Head | Pipe-Fitter | Germany |
| 21 | Sabina Schmidt | 51 | Wife | — | Germany |
| 22 | John Schmidt THIS PERSON | 23 | Son | Cook | Pennsylvania |
| 23 | Francis Schmidt | 19 | Son | Errand Boy | Pennsylvania |
| 24 | Norbert Schmidt | 17 | Son | — | Pennsylvania |
| 25 | Rosalia Schmidt | 15 | Daughter | — | Pennsylvania |
| 26 | Ruth Schmidt | 12 | Daughter | — | Pennsylvania |
| 27 | Marie Schmidt | 8 | Daughter | — | Pennsylvania |
| 28 | Clara Larson | 32 | Niece | Labeler | Pennsylvania |
| 29 | Joseph Kunard | 37 | Head | Glass-Batch Mixer | Pennsylvania |
| 30 | Elizabeth Kunard | 33 | Wife | — | Pennsylvania |
| 31 | Robert Kunard | 12 | Son | — | Pennsylvania |
| 32 | David Kunard | 9 | Son | — | Pennsylvania |
| 33 | William Klein | 41 | Brother-in-law | Proprietor | Pennsylvania |
| 34 | Albert Klein | 37 | Brother-in-law | Supervisor | Pennsylvania |
| 35 | William Wheatley | 55 | Head | Glass-Operator | Pennsylvania |
| 36 | Hazel Wheatley | 43 | Wife | — | Indiana |
| 37 | Nelson Warden | 19 | Son | Laborer | Pennsylvania |
| 38 | Eleonora Warden | 15 | Daughter | — | Pennsylvania |
| 39 | William Wheatley | 11 | Son | — | Pennsylvania |
| 40 | Shirley Wheatley | 9 | Daughter | — | Pennsylvania |
Pedigree Summary
John + 5 siblings
Gen 1 · 5 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)