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John Spencer — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bear-Lake-County, Idaho
Our Model Tree links this John Spencer across the 1920, 1930 and 1940 US Censuses in Bear-Lake-County, Idaho (XGBoost, ~Confirmed), with identified parents George & George — first a son (b.~1913), then head of a 5-person household.
Age 27
b. ~1913
Male
Son
Born: Idaho
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bear-Lake-County, Idaho |
| Surname | Spencer |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Paris city |
| 1935 Residence (County) | Bear Lake |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 20 |
| Income (1939) | 0 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Occupation | Farmer |
| Township / Ward | Paris City |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Lenard Spencer | Daughter | — | 25 | ~1915 |
| Lucile Spencer | Daughter | — | 30 | ~1910 |
| George Spencer | Head | — | 64 | ~1876 |
| John Spencer | Son | — | 27 | ~1913 |
| Adeline Spencer | Spouse | — | 62 | ~1878 |
Census Appearances
1920
Bear Lake, …
Son, age 7
Bear Lake, Idaho · implied b. ~1913 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Spencer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Idaho |
| Mother's Birthplace | Idaho |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1930
Bear Lake, …
Son, age 15
Bear Lake, Idaho · implied b. ~1915 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Spencer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Idaho |
| Mother's Birthplace | Idaho |
| Can Read/Write | Yes |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1940
Bear-Lake-County, Idaho
Son, age 27
Bear-Lake-County, Idaho · implied b. ~1913 — 5 household members
| Surname | Spencer |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Paris city |
| 1935 Residence (County) | Bear Lake |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 20 |
| Income (1939) | 0 |
| Highest Grade | C-4 |
| 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 Spencer across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Spencer (~0.92 confidence) and father George Spencer (~0.92 confidence) and mother Adellina Spencer (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Spencer
b. ~1876
Source father
● Household
· direct · ~0.92
Father
George Spencer
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Adellina Spencer
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Spencer
Son · 1940 · age 27 · b. ~1913 · Idaho
★ You are viewing this record
Sibling
Lucile Spencer
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lenard Spencer
Sibling · 1940 · age 25
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 — Bear-Lake-County, Idaho
Open full size
1940 US Federal Census — Bear-Lake-County, Idaho
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00738-00215)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Iris Cochran | 50 | wife | — | Wyoming |
| 2 | Almira A Cochran | 23 | daughter | — | Idaho |
| 3 | Wayne Cochran | 21 | son | — | Idaho |
| 4 | Rita Cochran | 8 | daughter | — | Idaho |
| 5 | Callaway, Malvina L Cochran | 84 | mother-in-law | — | New Jersey |
| 6 | Mary Mcclunkey | 55 | Head | — | Idaho |
| 7 | Zenas Black | 33 | head | Teacher | New Mexico |
| 8 | Ellen Black | 30 | wife | — | Idaho |
| 9 | Carmen Black | 8 | daughter | — | Idaho |
| 10 | Alice Black | 7 | daughter | — | Idaho |
| 11 | James Black | 1 | son | — | Idaho |
| 12 | Margaret Rich | 72 | head | — | Idaho |
| 13 | George Rich | 26 | son | Clerk | Idaho |
| 14 | George B Spencer | 64 | head | Stock Raising | Idaho |
| 15 | Adeline Spencer | 62 | wife | — | Idaho |
| 16 | Lucile Spencer | 30 | daughter | Teacher | Idaho |
| 17 | John Spencer THIS PERSON | 27 | son | Farmer | Idaho |
| 18 | Lenard Spencer | 25 | daughter | Post Mistress | Idaho |
| 19 | John J Gueller | 57 | Head | Brick Layer | Utah |
| 20 | Christine Gueller | 57 | wife | — | Utah |
| 21 | Ruth Gueller | 18 | daughter | — | Idaho |
| 22 | Don Gueller | 15 | son | — | Idaho |
| 23 | Robert Gueller | 27 | head | Carpenter | Idaho |
| 24 | Maxine Gueller | 21 | wife | — | Nebraska |
| 25 | Adeline Gueller | 1 | daughter | — | Idaho |
| 26 | Drew Gandy | 60 | head | Farmer | Utah |
| 27 | Rosa Gandy | 56 | wife | — | Idaho |
| 28 | Grant Gandy | 25 | son | — | Idaho |
| 29 | Drew Jr Gandy | 19 | son | — | Idaho |
| 30 | Joseph H Slight | 61 | head | Laborer | Idaho |
| 31 | Ruth Slight | 48 | wife | — | England |
| 32 | Joseph Slight | 12 | son | — | Idaho |
| 33 | Wayne Slight | 10 | son | — | Idaho |
| 34 | William Slight | 7 | son | — | Idaho |
| 35 | David Herrick | 45 | head | Laborer | Idaho |
| 36 | Sarah Herrick | 39 | wife | — | Idaho |
| 37 | Eva Herrick | 24 | daughter | — | Idaho |
| 38 | Carl Herrick | 16 | son | — | Idaho |
| 39 | Hattie Herrick | 16 | daughter | — | Idaho |
| 40 | Rosemary Herrick | 14 | daughter | — | Idaho |
Pedigree Summary
John + 2 siblings
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)