JF
John Frost — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Tehama-County, California
Our Model Tree links this John Frost across the 1930 and 1940 US Censuses in Tehama-County, California (XGBoost, ~Confirmed) — first a head (b.~1878), then head of a 6-person household.
Age 62
b. ~1878
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Tehama-County, California |
| Surname | Frost |
| Given Name | John F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Red Bluff Judicial Township |
| 1935 Residence (County) | Tehama |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Red Bluff Judicial Township |
| Est. Birth Year | ~1878 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Eldon Frost | Son | — | 30 | ~1910 |
| Gerald Frost | Son | — | 12 | ~1928 |
| Richard Frost | Son | — | 23 | ~1917 |
| Paul Frost | Son | — | 20 | ~1920 |
| John Frost | Head | — | 62 | ~1878 |
| Zora Frost | Spouse | — | 62 | ~1878 |
Census Appearances
1930
Tehama, California
Other, age 52
Tehama, California · implied b. ~1878 — 15 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frost |
| Given Name | John F. |
| Relationship to Head | O |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 30 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Maryland |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Radio Set | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Tehama-County, California
Head, age 62
Tehama-County, California · implied b. ~1878 — 6 household members
| Surname | Frost |
| Given Name | John F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Red Bluff Judicial Township |
| 1935 Residence (County) | Tehama |
| Income (1939) | 0 |
| Highest Grade | Hs 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 John Frost across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Frost
Head · 1940 · age 62 · b. ~1878 · California
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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 — Tehama-County, California
Open full size
1940 US Federal Census — Tehama-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00355-00404)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alvah C. Rhoades | 39 | Head | Truck Driver | California |
| 2 | Ila May Rhoades | 32 | Wife | — | California |
| 3 | Pearl M. Rhoades | 7 | Daughter | — | California |
| 4 | Roberta C. Rhoades | 1 | Daughter | — | California |
| 5 | Clarence C. Hyles | 46 | Head | Farm Laborer | California |
| 6 | Etta F. Hyles | 42 | Wife | — | California |
| 7 | Ernest O. Hyles | 19 | Son | — | California |
| 8 | Elmer C. Hyles | 18 | Son | — | California |
| 9 | Harold R. Hyles | 17 | Son | — | California |
| 10 | Etta May Hyles | 15 | Daughter | — | California |
| 11 | Delmer G. Hyles | 14 | Son | — | California |
| 12 | Raymond C. Hyles | 12 | Son | — | California |
| 13 | Vernon T. Hyles | 11 | Son | — | California |
| 14 | Stella L. Hyles | 10 | Daughter | — | California |
| 15 | Helene I. Hyles | 9 | Daughter | — | California |
| 16 | Harriet E. Hyles | 8 | Son | — | California |
| 17 | Hazel Hyles | 4 | Daughter | — | California |
| 18 | Friedrich Schmiedeke | 82 | Head | — | Germany |
| 19 | Wilhelmina Schmiedeke | 71 | Wife | — | Germany |
| 20 | John F. Frost THIS PERSON | 62 | Head | — | Illinois |
| 21 | Zora C. Frost | 62 | Wife | — | Tennessee |
| 22 | Eldon B. Frost | 30 | Son | — | Oregon |
| 23 | Richard H. Frost | 23 | Son | Farmer | California |
| 24 | Paul J. Frost | 20 | Son | Farmer | California |
| 25 | Gerald B. Frost | 12 | Son | — | California |
| 26 | John N. Reynolds | 66 | Head | — | California |
| 27 | Tessie Reynolds | 59 | Wife | — | Nebraska |
| 28 | John Jr. Reynolds | 32 | Son | Farmer | California |
| 29 | Emma M. Reynolds | 23 | Daughter-in-law | — | California |
| 30 | Carolyn E. Reynolds | 3 | Granddaughter | — | California |
| 31 | Mark R. Wolfe | 47 | Head | Farmer | California |
| 32 | William F. Wolfe | 82 | Father | — | Ireland |
| 33 | Mary A. Shoemaker | 48 | Head | — | Nebraska |
| 34 | Ivan G. Shoemaker | 16 | Son | — | California |
| 35 | John A. Jr. Fenton | 49 | Head | Farmer | California |
| 36 | Christine M. Fenton | 38 | Wife | — | California |
| 37 | John A. 3Rd Fenton | 6 | Son | — | California |
| 38 | George Hayman | 60 | Head | Farmer | California |
| 39 | Emma A. Hayman | 51 | Wife | — | California |
| 40 | Alberta E. Guptill | 21 | Daughter | — | California |
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)