CS
Charles Schmidt — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Charles Schmidt across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents August & Hugo — first a head (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Schmidt |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO - CITY |
| 1935 Residence (County) | COOK |
| Additional Details | |
| Occupation | Receiving Clerk |
| Industry | Whol. Hardware |
| Class of Worker | PW |
| Hours Worked | 47 |
| Income (1939) | 1412 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Receiving Clerk |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1910 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Charles Schmidt | Head | — | 30 | ~1910 |
| Ronald Schmidt | Son | — | 3 | ~1937 |
| Charles Schmidt | Son | — | 4 | ~1936 |
| Flora Schmidt | Spouse | — | 27 | ~1913 |
Census Appearances
1920
Cook, Illinois
Son, age 9
Cook, Illinois · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 20
Cook, Illinois · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Charles H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | mechanic |
| Industry | Automobile |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 30
Cook-County, Illinois · implied b. ~1910 — 4 household members
| Surname | Schmidt |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO - CITY |
| 1935 Residence (County) | COOK |
| Occupation | Receiving Clerk |
| Industry | Whol. Hardware |
| Class of Worker | PW |
| Hours Worked | 47 |
| Income (1939) | 1412 |
| Highest Grade | No 8 |
| 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 Charles Schmidt across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father August Schmidt (~0.92 confidence) and father Hugo Schmidt (~0.92 confidence) and mother Anna Schmidt (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
August Schmidt
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Hugo Schmidt
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Anna Schmidt
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Schmidt
Head · 1940 · age 30 · b. ~1910 · 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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01002-00480)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert De St. Sauveur | 17 | Son | — | Illinois |
| 2 | Harvey Jr De St. Sauveur | 15 | Son | — | Illinois |
| 3 | Yvonne De St. Sauveur | 8 | Daughter | — | Illinois |
| 4 | Norman Holman | 42 | Head | Laborer | Illinois |
| 5 | Rose M Holman | 33 | Wife | — | Illinois |
| 6 | Dorothy A Holman | 16 | Daughter | — | Illinois |
| 7 | Robert C Holman | 10 | Son | — | Illinois |
| 8 | Amy A Holman | 45 | Sister | Clerk | Illinois |
| 9 | Wallis D Dijnstra|Dijkstra | 36 | Head | Watchman | Iowa |
| 10 | Annie R Dijnstra|Dijkstra | 33 | Wife | — | Kentucky |
| 11 | Bellen Dijnstra|Dijkstra | 10 | Daughter | — | Illinois |
| 12 | Willis J Dijnstra|Dijkstra | 0 | Son | — | Illinois |
| 13 | Charles Schmidt THIS PERSON | 30 | Head | Receiving Clerk | Illinois |
| 14 | Flora Schmidt | 27 | Wife | — | Illinois |
| 15 | Charles J Schmidt | 4 | Son | — | Illinois |
| 16 | Ronald Schmidt | 3 | Son | — | Illinois |
| 17 | George F Binder | 24 | Head | Control Of Soap | Illinois |
| 18 | Norma M Binder | 21 | Wife | — | Indiana |
| 19 | Carol Anne Binder | 0 | Daughter | — | Illinois |
| 20 | William C Aron | 68 | Head | — | Illinois |
| 21 | Marie M Aron | 56 | Wife | — | Germany |
| 22 | Arthur H Aron | 26 | Son | Buffer Of Plates | Illinois |
| 23 | Elizabeth Steinmann | 45 | Lodger | Chambermaid | Germany |
| 24 | Rudolph Aron | 28 | Head | Estimator Of | Illinois |
| 25 | Evelyn M Aron | 27 | Wife | — | Ohio |
| 26 | Ronald C Aron | 5 | Son | — | Illinois |
| 27 | Richard M Aron | 2 | Son | — | Illinois |
| 28 | Harold Carlson | 46 | Head | Metal Polishing | Sweden |
| 29 | William N Peterson | 82 | Head | — | Sweden |
| 30 | Annie Peterson | 82 | Wife | — | Luxemburg |
| 31 | Harry Johnson | 44 | Head | Metal Worker | Sweden |
| 32 | Helena Johnson | 50 | Wife | — | Sweden |
| 33 | Harold Johnson | 19 | Son | Cabinet Maker | Illinois |
| 34 | Josephine Ruud | 71 | Head | — | Norway |
| 35 | Henry Ruud | 48 | Son | Sign Painter | Illinois |
| 36 | Frank Ruud | 46 | Son | Mail Man | Illinois |
| 37 | Abbey C Ruud | 44 | Son | Shipping Clerk | Illinois |
| 38 | Clarence Ruud | 38 | Son | Auto Mechanic | Illinois |
| 39 | William Knoblauch | 38 | Head | Tool & Die Maker | Germany |
| 40 | Katherine Knoblauch | 38 | Wife | — | Germany |
Pedigree Summary
Charles
Gen 1 · 3 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)