JF
John Frederick — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kenosha-County, Wisconsin
Our Model Tree links this John Frederick across the 1930 and 1940 US Censuses in Kenosha-County, Wisconsin (XGBoost, ~Confirmed) — first a head (b.~1875), then head of a 7-person household.
Age 65
b. ~1875
Male
Head
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kenosha-County, Wisconsin |
| Surname | Frederick |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Paris town |
| 1935 Residence (County) | Kenosha |
| Additional Details | |
| Occupation | Farmer |
| Industry | Dairy Farm |
| Class of Worker | OA |
| Hours Worked | 70 |
| Income (1939) | 500 |
| Highest Grade | S 4 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Farmer |
| Township / Ward | Paris Town |
| Est. Birth Year | ~1875 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Frederick | Spouse | — | 63 | ~1877 |
| William Frederick | Son | — | 28 | ~1912 |
| Bernard Frederick | Son | — | 26 | ~1914 |
| John Frederick | Head | — | 65 | ~1875 |
| Robert Frederick | Son | — | 18 | ~1922 |
| Raymond Frederick | Son | — | 31 | ~1909 |
| Kathryn Frederick | Daughter | — | 22 | ~1918 |
Census Appearances
1930
Kenosha, Wisconsin
Head, age 53
Kenosha, Wisconsin · implied b. ~1877 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frederick |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Age at First Marriage | 30 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | VVV |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 16000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Kenosha-County, Wisconsin
Head, age 65
Kenosha-County, Wisconsin · implied b. ~1875 — 7 household members
| Surname | Frederick |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Paris town |
| 1935 Residence (County) | Kenosha |
| Occupation | Farmer |
| Industry | Dairy Farm |
| Class of Worker | OA |
| Hours Worked | 70 |
| Income (1939) | 500 |
| Highest Grade | S 4 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Frederick across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Frederick
Head · 1940 · age 65 · b. ~1875 · Wisconsin
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Kenosha-County, Wisconsin
Open full size
1940 US Federal Census — Kenosha-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04488-00503)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sylvia Anderson | 29 | Wife | — | Illinois |
| 2 | Joan Anderson | 7 | Daughter | — | Illinois |
| 3 | Dennis Anderson | 2 | Son | — | Illinois |
| 4 | Ronald Housley | 18 | Lodger | Farm Hand | Wisconsin |
| 5 | Paul Rock | 35 | Head | Farm Hand | Wisconsin |
| 6 | Clara Rock | 32 | Wife | — | Wisconsin |
| 7 | Warren Rock | 4 | Son | — | Wisconsin |
| 8 | Audrey Rock | 3 | Daughter | — | Wisconsin |
| 9 | George Sielski | 24 | Head | Farm Hand | Pennsylvania |
| 10 | Jacob Maurer | 38 | Head | Farmer | Wisconsin |
| 11 | Margaret Maurer | 30 | Wife | — | Illinois |
| 12 | Charles Maurer | 3 | Son | — | Wisconsin |
| 13 | Nicholas Rodie | 40 | Head | Tavern Keeper | Greece |
| 14 | Mary Rodie | 28 | Wife | — | Greece |
| 15 | Hresoula Rodie | 7 | Daughter | — | Wisconsin |
| 16 | John Rodie | 6 | Son | — | Wisconsin |
| 17 | Irene Rodie | 5 | Daughter | — | Wisconsin |
| 18 | Peter Pantos | 37 | Head | Tavern Keeper | Greece |
| 19 | Mary Pantos | 27 | Wife | — | Michigan |
| 20 | Leander Schiltz | 31 | Head | Gas Station Owner | Wisconsin |
| 21 | John Hasenberg | 38 | Head | Tavern Keeper | Germany |
| 22 | Irene Hasenberg | 34 | Wife | — | Michigan |
| 23 | Marand Hasenberg | 14 | Son | Farm Hand | West Virginia |
| 24 | Hubert Hasenberg | 12 | Son | — | Wisconsin |
| 25 | Nicholas Gratz | 46 | Lodger | Bartender | Wisconsin |
| 26 | John Frederick THIS PERSON | 65 | Head | Farmer | Wisconsin |
| 27 | Elizabeth Frederick | 63 | Wife | — | Wisconsin |
| 28 | Raymond Frederick | 31 | Son | Farm Hand | Wisconsin |
| 29 | William Frederick | 28 | Son | Laborer | Wisconsin |
| 30 | Bernard Frederick | 26 | Son | Farm Hand | Wisconsin |
| 31 | Kathryn Frederick | 22 | Daughter | — | Wisconsin |
| 32 | Robert Frederick | 18 | Son | Farm Hand | Wisconsin |
| 33 | Rose Decoursey | 51 | Head | — | Illinois |
| 34 | Rosemary Decoursey | 14 | Daughter | — | Illinois |
| 35 | Harold Sullivan | 37 | Lodger | Gas Station Attendant | Illinois |
| 36 | Louis Goodrich | 32 | Head | Movie Operator | Wisconsin |
| 37 | Kathryn Goodrich | 28 | Wife | — | Wisconsin |
| 38 | Eugene Goodrich | 9 | Son | — | Wisconsin |
| 39 | Bernice Goodrich | 6 | Daughter | — | Wisconsin |
| 40 | George Goodrich | 59 | Father | Movie Operator | England |
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)