FH
Fred Hoffman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clinton-County, Illinois
Our Model Tree links this Fred Hoffman across the 1920, 1930 and 1940 US Censuses in Clinton-County, Illinois (XGBoost, ~Confirmed), with identified parents Fred & Adeline — first a head (b.~1899), then head of a 4-person household.
Age 41
b. ~1899
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Clinton-County, Illinois |
| Surname | Hoffman |
| Given Name | Fred |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Lake Twp |
| 1935 Residence (County) | Clinton |
| Additional Details | |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 55 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Lake Twp |
| Est. Birth Year | ~1899 |
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 Fred | Age | Birth yr |
|---|---|---|---|---|
| Frances Hoffman | Spouse | — | 30 | ~1910 |
| Frederick Hoffman | Son | — | 7 | ~1933 |
| Louis Hoffman | Son | — | 6 | ~1934 |
| Fred Hoffman | Head | — | 41 | ~1899 |
Census Appearances
1920
Clinton, Illinois
Son, age 21
Clinton, Illinois · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Fred Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Germany |
| Mother's Birthplace | Missouri |
| Occupation | Laborer |
| Industry | Home Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Clinton, Illinois
Other, age 31
Clinton, Illinois · implied b. ~1899 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Fred H. |
| Relationship to Head | R |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 28 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Missouri |
| Occupation | Farm Operator |
| Industry | General Farm |
| Class of Worker | VVVV O |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Clinton-County, Illinois
Head, age 41
Clinton-County, Illinois · implied b. ~1899 — 4 household members
| Surname | Hoffman |
| Given Name | Fred |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Lake Twp |
| 1935 Residence (County) | Clinton |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 55 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 Fred Hoffman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Fred Hoffman (~0.92 confidence) and mother Adeline Hoffman (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Hoffman
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Adeline Hoffman
b. ~1869
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Fred Hoffman
Head · 1940 · age 41 · b. ~1899 · 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 — Clinton-County, Illinois
Open full size
1940 US Federal Census — Clinton-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00770-00379)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Riechmann | 79 | Head | — | Illinois |
| 2 | Ella Riechmann | 51 | Daughter | Farmer | Illinois |
| 3 | Hilda Riechmann | 39 | Daughter | Farmer | Illinois |
| 4 | Leonard Lippert | 44 | Head | Farmer | Illinois |
| 5 | Hilda Lippert | 39 | Wife | — | Illinois |
| 6 | Vernon Lippert | 12 | Son | — | Illinois |
| 7 | Charles Kroeger | 69 | Father-in-law | — | Illinois |
| 8 | Anna Kroeger | 64 | Mother-in-law | — | Illinois |
| 9 | Herman Kroeger | 35 | Brother-in-law | — | Missouri |
| 10 | Louis Monken | 36 | Head | Laborer | Illinois |
| 11 | Leona Monken | 24 | Wife | — | Illinois |
| 12 | Dolores Monken | 5 | Daughter | — | Illinois |
| 13 | Raymond Monken | 3 | Son | — | Illinois |
| 14 | Fred Hoffman THIS PERSON | 41 | Head | Farmer | Illinois |
| 15 | Frances Hoffman | 30 | Wife | — | Nebraska |
| 16 | Frederick Hoffman | 7 | Son | — | Illinois |
| 17 | Louis Hoffman | 6 | Son | — | Illinois |
| 18 | Ernest Grefe | 30 | Head | Farmer | Illinois |
| 19 | Anna Grefe | 28 | Wife | — | Illinois |
| 20 | Vernon Grefe | 7 | Nephew | — | Illinois |
| 21 | Gus Hemminghaus | 52 | Head | Farmer | Illinois |
| 22 | Louise Hemminghaus | 49 | Wife | — | Illinois |
| 23 | Frieda Hemminghaus | 19 | Daughter | — | Illinois |
| 24 | Elmer Hemminghaus | 17 | Son | Laborer | Illinois |
| 25 | Gustav Hemminghaus | 13 | Son | — | Illinois |
| 26 | August Karsas | 74 | Head | — | Illinois |
| 27 | Mary Karsas | 68 | Wife | — | Illinois |
| 28 | Arthur Karsas | 37 | Son | Farmer | Illinois |
| 29 | Gerhard Sprehe | 63 | Head | Farmer | Illinois |
| 30 | Mary Sprehe | 62 | Wife | — | Illinois |
| 31 | Melba Sprehe | 18 | Daughter | — | Illinois |
| 32 | Henry Nattemeyer | 52 | Head | Farmer | Illinois |
| 33 | Emma Nattemeyer | 54 | Wife | — | Illinois |
| 34 | Paul Nattemeyer | 20 | Son | Laborer | Illinois |
| 35 | Dorothy Nattemeyer | 15 | Daughter | — | Illinois |
| 36 | Caroline Knolhoff | 74 | Head | — | Illinois |
| 37 | Hannah Knolhoff | 67 | Housekeeper | Housekeeper | Illinois |
| 38 | Walter Trester | 34 | Head | Farmer | Illinois |
| 39 | Frannie Trester | 47 | Wife | — | Illinois |
| 40 | Imogene Trester | 8 | Daughter | — | Illinois |
Pedigree Summary
Fred
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)