JM
John Marshall — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bannock-County, Idaho
Our Model Tree links this John Marshall across the 1920, 1930 and 1940 US Censuses in Bannock-County, Idaho (XGBoost, ~Confirmed), with identified parents William & Mabel — first a head (b.~1914), then head of a 3-person household.
Age 26
b. ~1914
Male
Head
Born: Oregon
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Bannock-County, Idaho |
| Surname | Marshall |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Oregon |
| 1935 Residence (City) | Pocatello City |
| 1935 Residence (County) | Bannock |
| Additional Details | |
| Occupation | Carpenter |
| Industry | Building construction |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 1125 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Carpenter |
| Township / Ward | Pocatello City |
| Est. Birth Year | ~1914 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Charlene Marshall | Daughter | — | 2 | ~1938 |
| John Marshall | Head | — | 26 | ~1914 |
| Thalatea Marshall | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Bannock, Idaho
Son, age 6
Bannock, Idaho · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marshall |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | New York |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Bannock, Idaho
Son, age 17
Bannock, Idaho · implied b. ~1913 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marshal |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | New York |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Bannock-County, Idaho
Head, age 26
Bannock-County, Idaho · implied b. ~1914 — 3 household members
| Surname | Marshall |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Oregon |
| 1935 Residence (City) | Pocatello City |
| 1935 Residence (County) | Bannock |
| Occupation | Carpenter |
| Industry | Building construction |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 1125 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
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 Marshall across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Marshall (~0.92 confidence) and mother Mabel Marshall (~0.92 confidence) and mother Mabel Marshal (~0.92 confidence) and father William Marshal (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Marshall
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Mabel Marshall
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Mabel Marshal
b. ~1889
Source mother
● Household
· direct · ~0.92
Father
William Marshal
b. ~1893
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Marshall
Head · 1940 · age 26 · b. ~1914 · 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 — Bannock-County, Idaho
Open full size
1940 US Federal Census — Bannock-County, Idaho
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00737-00154)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marilyn B. Bird | 8 | daughter | — | Idaho |
| 2 | Margaret B. Bird | 7 | daughter | — | Illinois |
| 3 | Carlee B. Bird | 4 | daughter | — | Idaho |
| 4 | Richard B. Bird | 2 | son | — | Idaho |
| 5 | William B. Bird | 0 | son | — | Idaho |
| 6 | W. Blake Christensen | 26 | Head | Teacher | Utah |
| 7 | Fannie E. Christensen | 25 | Wife | — | Utah |
| 8 | W. Gordon Christensen | 4 | son | — | Utah |
| 9 | Frank A. Green | 40 | Head | Proprietor | Utah |
| 10 | Dorothy H. Green | 28 | Wife | — | Idaho |
| 11 | Richard A. Green | 9 | son | — | Idaho |
| 12 | Dorothy Dee Green | 7 | daughter | — | Idaho |
| 13 | Peggy M. Green | 6 | daughter | — | Idaho |
| 14 | William R. Heffron | 67 | Head | — | Wisconsin |
| 15 | Sadie Heffron | 52 | Wife | Housekeeper | Utah |
| 16 | Jerry Van Leuven | 36 | Head | Mechanic | Idaho |
| 17 | Bertha Van Leuven | 49 | Wife | — | Montana |
| 18 | Howard F. Wood | 29 | Head | Hotel Clerk | Utah |
| 19 | Orma Wood | 27 | Wife | — | Utah |
| 20 | Orlean H. Wood | 4 | son | — | Utah |
| 21 | Wayne D. Jones | 26 | Head | Carpenter | Oregon |
| 22 | Beatris G. Jones | 24 | Wife | Waitress | Tennessee |
| 23 | Grover L. Kahne | 61 | Head | — | Utah |
| 24 | Roy W. Kahne | 35 | son | Crew Dispatcher | Montana |
| 25 | George W. Kahne | 24 | son | Fireman | Idaho |
| 26 | Lola M. Lee | 57 | Head | — | Iowa |
| 27 | John Marshall THIS PERSON | 26 | Head | Carpenter | Oregon |
| 28 | Thalatea Marshall | 25 | Wife | — | Idaho |
| 29 | Charlene Marshall | 2 | daughter | — | Idaho |
| 30 | Ross G. Waters | 27 | Head | Claim Agent | Idaho |
| 31 | Margaret Waters | 26 | Wife | — | Idaho |
| 32 | Ross G. Jr. Waters | 2 | son | — | Idaho |
| 33 | David E. Waters | 0 | son | — | Idaho |
| 34 | Joseph M. Evans | 40 | son in law | Warehouseman | Idaho |
| 35 | Jennie M. Cunningham | 27 | lodger | Secretary | Idaho |
| 36 | Almo A. Clark | 30 | Head | Truck Driver | Idaho |
| 37 | Alice J. Clark | 29 | Wife | — | Oregon |
| 38 | Joyce E. Clark | 11 | daughter | — | Montana |
| 39 | Jack R. Clark | 5 | son | — | Montana |
| 40 | James F. Blau | 34 | Head | Truck Driver | Utah |
Pedigree Summary
John
Gen 1 · 4 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)