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John Stahl — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this John Stahl across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1917), then head of a 10-person household.
Age 23
b. ~1917
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Stahl |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Box maker |
| Industry | Box factory |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 960 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Box Maker |
| Township / Ward | Chicago City |
| 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Stahl | Head | — | 53 | ~1887 |
| Sophie Stahl | Daughter | — | 15 | ~1925 |
| Willard Stahl | Son | — | 6 | ~1934 |
| Rose Stahl | Spouse | — | 50 | ~1890 |
| John Stahl | Son | — | 23 | ~1917 |
| Shirley Stahl | Daughter | — | 17 | ~1923 |
| Evelyn Stahl | Daughter | — | 25 | ~1915 |
| Rose Stahl | Daughter | — | 18 | ~1922 |
| Bernice Stahl | Daughter | — | 24 | ~1916 |
| Danny Stahl | Son | — | 12 | ~1928 |
Census Appearances
1930
Cook, Illinois
Son, age 12
Cook, Illinois · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stolh |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 23
Cook-County, Illinois · implied b. ~1917 — 10 household members
| Surname | Stahl |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Box maker |
| Industry | Box factory |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 960 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Stahl across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Stahl
Son · 1940 · age 23 · b. ~1917 · Illinois
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Sibling
Shirley Stahl
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Stahl
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernice Stahl
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Danny Stahl
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sophie Stahl
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willard Stahl
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Stahl
Sibling · 1940 · age 25
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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-00986-00726)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Martin Ryan | 3 | Son | — | Illinois |
| 2 | John Stahl | 53 | Head | Box Maker | Illinois |
| 3 | Rose Stahl | 50 | Wife | — | Illinois |
| 4 | Evelyn Stahl | 25 | Daughter | — | Illinois |
| 5 | Bernice Stahl | 24 | Daughter | Booker | Illinois |
| 6 | John Stahl THIS PERSON | 23 | Son | Box Maker | Illinois |
| 7 | Rose Stahl | 18 | Daughter | New Worker | Illinois |
| 8 | Shirley Stahl | 17 | Daughter | New Worker | Illinois |
| 9 | Sophie Stahl | 15 | Daughter | — | Illinois |
| 10 | Danny Stahl | 12 | Son | — | Illinois |
| 11 | Willard Stahl | 6 | Son | — | Illinois |
| 12 | Joseph Schmalzer | 32 | Head | Baker | Austria |
| 13 | Rose Schmalzer | 28 | Wife | — | Illinois |
| 14 | Rosemary Schmalzer | 8 | Daughter | — | Illinois |
| 15 | Patricia Schmalzer | 2 | Daughter | — | Illinois |
| 17 | Emily Guehne | 55 | Head | House Keeper | Germany |
| 18 | Eleanor M. Cain | 40 | Lodger | Spot Up | Kansas |
| 22 | Thomas Mielke | 46 | Head | Mason | Illinois |
| 23 | Florence Mielke | 36 | Wife | Polisher | Illinois |
| 24 | James Mielke | 18 | Son | — | Illinois |
| 25 | Dolores Mielke | 16 | Daughter | — | Illinois |
| 26 | Robert Mielke | 8 | Son | — | Illinois |
| 27 | John Pella | 52 | Head | Tailor | Poland |
| 28 | Johanna Pella | 48 | Wife | Beautician | Poland |
| 29 | John Brady | 42 | Head | Cement Finisher | Austria |
| 30 | Josephine Brady | 38 | Wife | Seamstress | Austria |
| 31 | John Brady | 21 | Son | Pressman | Illinois |
| 32 | Joe Kucmierz | 25 | Head | Assembler | Illinois |
| 33 | Balline Kucmierz | 61 | Mother | Seamstress | Poland |
| 34 | Rose Guzzardi | 32 | Head | Button Maker | Italy |
| 35 | John Guzzardi | 18 | Son | Machinist Helper | Illinois |
| 36 | Arthur Stanke | 37 | Head | Laborer | Illinois |
| 37 | Luciela Stanke | 35 | Wife | — | Ohio |
| 38 | Jacqueline Stanke | 14 | Daughter | — | Illinois |
| 39 | Ronald Stanke | 7 | Son | — | Illinois |
| 40 | Howard Stanke | 4 | Son | — | Illinois |
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)