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Charles Fischer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Charles Fischer across the 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 9-person household.
Age 11
b. ~1929
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Fischer |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same House |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1929 |
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 |
|---|---|---|---|---|
| Elsie Fischer | Daughter | — | 5 | ~1935 |
| George Fischer | Son | — | 7 | ~1933 |
| Charles Fischer | Son | — | 11 | ~1929 |
| Rosemary Fischer | Daughter | — | 1 | ~1939 |
| Mary Fischer | Daughter | — | 9 | ~1931 |
| Mary Fischer | Spouse | — | 39 | ~1901 |
| George Fischer | Head | — | 45 | ~1895 |
| Robert Fischer | Son | — | 12 | ~1928 |
| Doris Fischer | Daughter | — | 10 | ~1930 |
Census Appearances
1930
Jefferson, Kentucky
Son, age 1
Jefferson, Kentucky · implied b. ~1929 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fischer |
| Given Name | Carl Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Son, age 11
Jefferson-County, Kentucky · implied b. ~1929 — 9 household members
| Surname | Fischer |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Class of Worker | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same House |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 11 · b. ~1929 · Kentucky
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Sibling
Rosemary Fischer
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Fischer
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Fischer
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Fischer
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Fischer
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elsie Fischer
Sibling · 1940 · age 5
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 — Jefferson-County, Kentucky
Open full size
1940 US Federal Census — Jefferson-County, Kentucky
Page Contents
29 people indexed on this census page (nara:1940:m-t0627-01376-00271)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert Blackwell | 66 | Head | Salesman | Kentucky |
| 42 | Lucille Blackwell | 45 | Wife | — | Kentucky |
| 43 | George Akear | 22 | Step-Son | Laborer | Kentucky |
| 44 | Mary Akear | 12 | Step-Daughter | — | Kentucky |
| 45 | William Epperson | 37 | Head | Division Manager | Kentucky |
| 46 | Ruth Epperson | 33 | Wife | — | Kentucky |
| 47 | Martha Epperson | 15 | Daughter | — | Kentucky |
| 48 | Patsy Ann Epperson | 13 | Daughter | — | Kentucky |
| 49 | Maude Epperson | 61 | Mother | — | Indiana |
| 50 | Anthony Hemmerle | 45 | Head | Superintendent | Kentucky |
| 51 | Hazel Hemmerle | 39 | Wife | — | Kentucky |
| 52 | Alice Hemmerle | 10 | Daughter | — | Kentucky |
| 53 | Martha Hemmerle | 8 | Daughter | — | Kentucky |
| 54 | Patrick Hemmerle | 6 | Son | — | Kentucky |
| 55 | George Fischer | 45 | Head | Salesman | Kentucky |
| 56 | Mary M. Fischer | 39 | Wife | — | Kentucky |
| 57 | Robert J. Fischer | 12 | Son | — | Kentucky |
| 58 | Charles Fischer THIS PERSON | 11 | Son | — | Kentucky |
| 59 | Doris Fischer | 10 | Daughter | — | Kentucky |
| 60 | Mary Fischer | 9 | Daughter | — | Kentucky |
| 61 | George E. Fischer | 7 | Son | — | Kentucky |
| 62 | Elsie Fischer | 5 | Daughter | — | Kentucky |
| 63 | Rosemary Fischer | 1 | Daughter | — | Kentucky |
| 64 | Edwin King | 38 | Head | Fireman | Kentucky |
| 65 | Evelyn King | 37 | Wife | — | Kentucky |
| 66 | Edwin Jr. King | 15 | Son | — | Kentucky |
| 67 | Nathan Fertig | 52 | Head | — | Kentucky |
| 68 | George Fertig | 17 | Son | — | Kentucky |
| 69 | Christine Fertig | 23 | Daughter | — | Kentucky |
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)