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Charles Fischer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Charles Fischer across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1915), then head of a 9-person household.
Age 25
b. ~1915
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Fischer |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Shipping Clerk |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1200 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Shipping Clerk |
| Township / Ward | Chicago |
| Est. Birth Year | ~1915 |
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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Pauline Fischer | Daughter | — | 8 | ~1932 |
| Mary Fischer | Daughter | — | 10 | ~1930 |
| Roy Fischer | Son | — | 15 | ~1925 |
| Pauline Fischer | Spouse | — | 40 | ~1900 |
| Edward Fischer | Son | — | 18 | ~1922 |
| George Fischer | Son | — | 21 | ~1919 |
| Charles Fischer | Son | — | 25 | ~1915 |
| Henry Fischer | Head | — | 49 | ~1891 |
| Robert Fischer | Son | — | 19 | ~1921 |
Census Appearances
1930
Cook, Illinois
Son, age 14
Cook, Illinois · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fischer |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Czechoslovakia |
| Mother's Birthplace | Czechoslovakia |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 25
Cook-County, Illinois · implied b. ~1915 — 9 household members
| Surname | Fischer |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Shipping Clerk |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1200 |
| Highest Grade | H-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 Charles Fischer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Charles Fischer
Son · 1940 · age 25 · b. ~1915 · Illinois
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Sibling
George Fischer
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Fischer
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Fischer
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Fischer
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pauline Fischer
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roy Fischer
Sibling · 1940 · age 15
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
39 people indexed on this census page (nara:1940:m-t0627-01022-00115)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George Steiner | 52 | Head | Proprietor | Illinois |
| 2 | Jane Steiner | 39 | Wife | — | England |
| 3 | Elaine Steiner | 14 | Daughter | — | Illinois |
| 4 | Joan Steiner | 11 | Daughter | — | Illinois |
| 5 | Jean Christiansen | 33 | Maid | Maid | Illinois |
| 6 | Samuel Catalano | 42 | Head | President | Italy |
| 7 | Phyllis Catalano | 38 | Wife | — | Italy |
| 8 | May Green | 23 | Visitor | Newsworker | Illinois |
| 9 | Herman Kertheuser | 44 | Head | Salesman | Illinois |
| 10 | Mary Kertheuser | 43 | Wife | — | Illinois |
| 11 | Herman Jr. Kertheuser | 22 | Son | Bookkeeper | Illinois |
| 12 | Arthur Kertheuser | 19 | Son | — | Illinois |
| 13 | Ethel Rae Kertheuser | 17 | Daughter | — | Kentucky |
| 14 | Marion Kertheuser | 12 | Daughter | — | Illinois |
| 15 | Robert Kertheuser | 5 | Son | — | Illinois |
| 17 | Henry Fischer | 49 | Head | Plumbing Contractor | Illinois |
| 18 | Pauline Fischer | 40 | Wife | — | Illinois |
| 19 | Charles Fischer THIS PERSON | 25 | Son | Shipping Clerk | Illinois |
| 20 | George Fischer | 21 | Son | Mechanic | Illinois |
| 21 | Robert Fischer | 19 | Son | Delivery Boy | Illinois |
| 22 | Edward Fischer | 18 | Son | Laborer | Illinois |
| 23 | Roy Fischer | 15 | Son | — | Illinois |
| 24 | Mary Fischer | 10 | Daughter | — | Illinois |
| 25 | Pauline Fischer | 8 | Daughter | — | Illinois |
| 26 | Matthew Horrocks | 65 | Head | Decorator | Michigan |
| 27 | Bertha Horrocks | 49 | Wife | — | Wisconsin |
| 28 | John Winkin | 34 | Head | Florist | Illinois |
| 29 | Christine Winkin | 31 | Wife | — | Illinois |
| 30 | John Winkin | 5 | Son | — | Illinois |
| 31 | Raymond Winkin | 1 | Son | — | Illinois |
| 32 | David Olund | 44 | Head | Purchasing Agent | Illinois |
| 33 | Hazel Olund | 41 | Wife | — | Illinois |
| 34 | Helen Olund | 22 | Daughter | Manager | Illinois |
| 35 | Stephen Keka | 50 | Head | Commercial Artist | Hungary |
| 36 | Kate Keka | 38 | Wife | — | Hungary |
| 37 | Eun Smith | 42 | Head | Electrical Engineer | England |
| 38 | Constance Smith | 41 | Wife | — | England |
| 39 | Gordon Smith | 9 | Son | — | Illinois |
| 40 | Charles Hewitt | 75 | Father-in-law | — | England |
Related Census Records
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)