JF
John Fields — 1940 US Census Record
Model Tree available1940 United States Federal Census · Benewah-County, Idaho
Our Model Tree links this John Fields across the 1920, 1930 and 1940 US Censuses in Benewah-County, Idaho (XGBoost, ~Confirmed), with identified parents Ira & Lavinia — first a head (b.~1913), then head of a 4-person household.
Age 27
b. ~1913
Male
Head
Born: Idaho
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Benewah-County, Idaho |
| Surname | Fields |
| Given Name | John M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Idaho |
| 1935 Residence (City) | Benewah Precinct |
| 1935 Residence (County) | Benewah |
| Additional Details | |
| Occupation | Logger |
| Industry | Lumber |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 250 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Occupation | Logger |
| Township / Ward | Benewah Precinct |
| Est. Birth Year | ~1913 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Fields | Head | — | 27 | ~1913 |
| Leonard Fields | Son | — | 1 | ~1939 |
| Lawrence Fields | Son | — | 3 | ~1937 |
| Katherine Fields | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Benewah, Idaho
Son, age 6
Benewah, Idaho · implied b. ~1914 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fields |
| Given Name | John M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Washington |
| Mother's Birthplace | Oregon |
| Occupation | none |
| Speaks English | Yes |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1930
Benewah, Idaho
Son, age 17
Benewah, Idaho · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fields |
| Given Name | John M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Washington |
| Mother's Birthplace | Oregon |
| Can Read/Write | Yes |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1940
Benewah-County, Idaho
Head, age 27
Benewah-County, Idaho · implied b. ~1913 — 4 household members
| Surname | Fields |
| Given Name | John M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Idaho |
| 1935 Residence (City) | Benewah Precinct |
| 1935 Residence (County) | Benewah |
| Occupation | Logger |
| Industry | Lumber |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 250 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
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 Fields across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ira Fields (~0.92 confidence) and mother Lavinia Fields (~0.92 confidence) and mother Lavina Fields (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ira Fields
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Lavinia Fields
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Lavina Fields
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Fields
Head · 1940 · age 27 · b. ~1913 · Idaho
★ 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 — Benewah-County, Idaho
Open full size
1940 US Federal Census — Benewah-County, Idaho
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-00738-00302)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Lindenberger | 60 | Head | Laborer | Russia |
| 42 | William Fletcher | 60 | Head | Farmer | N Carolina |
| 43 | Georgia Fletcher | 53 | Wife | — | Washington |
| 44 | Alta Fletcher | 20 | Daughter | — | Idaho |
| 45 | Lester Fletcher | 33 | Head | Farmer | Washington |
| 46 | Lucille L Fletcher | 32 | Wife | — | Colorado |
| 47 | Carol H Fletcher | 5 | Daughter | — | Idaho |
| 48 | Helen L Fletcher | 7 | Daughter | — | Idaho |
| 49 | Benjamin Green | 15 | Lodger | New Worker | Montana |
| 50 | Claude O Keller | 34 | Head | Laborer | Washington |
| 51 | Dorothy Keller | 28 | Wife | — | Washington |
| 52 | Dorothy Keller | 8 | Daughter | — | Washington |
| 53 | George Keller | 5 | Son | — | Idaho |
| 54 | Robert F Brown | 27 | Head | Laborer | Washington |
| 55 | Eunice Brown | 23 | Wife | — | Washington |
| 56 | Eunice L Brown | 2 | Daughter | — | Washington |
| 57 | Inez L Graff | 54 | Head | — | Virginia |
| 58 | Paul A Graff | 25 | Son | Laborer | Idaho |
| 59 | Herman R Rowland | 55 | Head | Farmer | Illinois |
| 60 | Winnie Rowland | 52 | Wife | — | Nebraska |
| 61 | Robert R Rowland | 26 | Son | Laborer | Idaho |
| 62 | Richard L Rowland | 14 | Son | Laborer | Idaho |
| 63 | Kathryn M Rowland | 12 | Daughter | — | Idaho |
| 64 | Gerald G Rowland | 2 | Son | — | Idaho |
| 65 | William Endress | 72 | Head | Laborer | Austria |
| 66 | James J Dunlap | 64 | Head | Woodcutter | Canada |
| 67 | Etta Dunlap | 48 | Wife | — | W Virginia |
| 68 | Mildred Clark | 29 | Daughter | — | Idaho |
| 69 | Leroy Clark | 4 | Grandson | — | Idaho |
| 70 | Julius R Graff | 26 | Head | Laborer | Idaho |
| 71 | Vera A Graff | 18 | Wife | — | Washington |
| 72 | Clarence Stevens | 36 | Head | Laborer | N Dakota |
| 73 | Marian Stevens | 28 | Wife | — | N Dakota |
| 74 | Rita Stevens | 5 | Daughter | — | N Dakota |
| 75 | John M Fields THIS PERSON | 27 | Head | Logger | Idaho |
| 76 | Katherine M Fields | 25 | Wife | — | Washington |
| 77 | Lawrence W Fields | 3 | Son | — | Idaho |
| 78 | Leonard L Fields | 1 | Son | — | Idaho |
Pedigree Summary
John
Gen 1 · 3 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)