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John Schmidt — 1940 US Census Record
Model Tree available1940 United States Federal Census · Peoria-County, Illinois
Our Model Tree links this John Schmidt across the 1920, 1930 and 1940 US Censuses in Peoria-County, Illinois (XGBoost, ~Confirmed), with identified parents Edward & Lena — first a head (b.~1909), then head of a 6-person household.
Age 31
b. ~1909
Male
Head
Born: Oklahoma
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Peoria-County, Illinois |
| Surname | Schmidt |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Peoria |
| 1935 Residence (County) | Peoria |
| Additional Details | |
| Occupation | Book-Keeper |
| Industry | Distillery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1250 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Occupation | Book-Keeper |
| Township / Ward | Peoria |
| 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 Schmidt | Head | — | 31 | ~1909 |
| Clifford Johnson | Other | — | 31 | ~1909 |
| George Schmidt | Other | — | 20 | ~1920 |
| Zeria Schmidt | Other | — | 56 | ~1884 |
| Edward Schmidt | Son | — | 2 | ~1938 |
| Ollie Schmidt | Spouse | — | 26 | ~1914 |
Census Appearances
1920
Peoria, Illinois
Son, age 10
Peoria, Illinois · implied b. ~1910 — 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 | 10 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Kansas |
| Speaks English | Yes |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1930
Peoria, Illinois
Son, age 20
Peoria, Illinois · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Kansas |
| Occupation | Clerk |
| Industry | Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Peoria-County, Illinois
Head, age 31
Peoria-County, Illinois · implied b. ~1909 — 6 household members
| Surname | Schmidt |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Peoria |
| 1935 Residence (County) | Peoria |
| Occupation | Book-Keeper |
| Industry | Distillery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1250 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
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 Edward Schmidt (~0.92 confidence) and mother Lena Schmidt (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Schmidt
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Lena Schmidt
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Schmidt
Head · 1940 · age 31 · b. ~1909 · Illinois
★ 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 — Peoria-County, Illinois
Open full size
1940 US Federal Census — Peoria-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00919-00706)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Emma Brither | 48 | Head | — | Illinois |
| 42 | August Setzer | 56 | Lodger | Truck Driver | Iowa |
| 43 | Charles Hagee | 24 | Head | Apprentice Engraver | Illinois |
| 44 | Valerie Hagee | 20 | Wife | — | Illinois |
| 45 | Richard Hagee | 0 | Son | — | Illinois |
| 46 | William Orlopp | 31 | Head | Laborer | Illinois |
| 47 | Anna M. Orlopp | 29 | Wife | — | Pennsylvania |
| 48 | John W. Melling | 51 | Head | Foreman | England |
| 49 | Phoebe Melling | 52 | Wife | — | England |
| 50 | Verna Melling | 17 | Daughter | — | Illinois |
| 51 | Herman Barnett | 35 | Head | Acetylene Burner | Illinois |
| 52 | Cleonia Barnett | 30 | Wife | — | Illinois |
| 53 | Bert Barnett | 12 | Son | — | Illinois |
| 54 | Herman Jr. Barnett | 5 | Son | — | Illinois |
| 55 | Charles Plaag | 45 | Head | Turn Table Operator | Illinois |
| 56 | Bertha Plaag | 42 | Wife | — | Illinois |
| 57 | William Mason | 28 | Head | Price Clerk | Indiana |
| 58 | Ellen E. Mason | 26 | Wife | Machinist | Illinois |
| 59 | Clinton Tucker | 54 | Head | — | Iowa |
| 60 | Ada Tucker | 55 | Wife | Machinist | Illinois |
| 61 | John E. Schmidt THIS PERSON | 31 | Head | Book-Keeper | Oklahoma |
| 62 | Ollie Schmidt | 26 | Wife | — | Illinois |
| 63 | Edward Schmidt | 2 | Son | — | Illinois |
| 64 | Zeria Schmidt | 56 | Mother | — | Kansas |
| 65 | George Schmidt | 20 | Brother | — | Kansas |
| 66 | Clifford Johnson | 31 | Lodger | Filling Station Attendant | Illinois |
| 67 | William Ruphald | 25 | Head | Minister | Illinois |
| 68 | Alice Ruphald | 24 | Wife | — | South Dakota |
| 69 | George Willard | 28 | Head | Core Maker | Illinois |
| 70 | Anna Willard | 26 | Wife | — | Illinois |
| 71 | Philip Ingolia | 27 | Head | Machinist | Illinois |
| 72 | Elinor J. Ingolia | 27 | Wife | — | Illinois |
| 73 | Philis J. Ingolia | 0 | Daughter | — | Illinois |
| 74 | John Mcwhirter | 60 | Head | Janitor | Scotland |
| 75 | Dorothy Mcwhirter | 56 | Wife | — | Illinois |
| 76 | George Taylor | 30 | Head | Acetylene Burner | Illinois |
| 77 | Charlotte Taylor | 33 | Wife | — | Illinois |
| 78 | Sarah Armond | 74 | Mother in law | — | Indiana |
| 79 | — | None | — | — | — |
| 80 | Venola Mcguire | 20 | Head | Saleslady | Indiana |
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)