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John Marshall — 1940 US Census Record
Model Tree available1940 United States Federal Census · Boone-County, Iowa
Our Model Tree links this John Marshall across the 1920, 1930 and 1940 US Censuses in Boone-County, Iowa (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Boone-County, Iowa |
| Surname | Marshall |
| Given Name | John Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Boone City |
| 1935 Residence (County) | Boone |
| Additional Details | |
| Occupation | Painter |
| Industry | Interior Decorating |
| Class of Worker | PW |
| Hours Worked | 25 |
| Income (1939) | 800 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Painter |
| Township / Ward | Boone 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Arlene Marshall | Daughter | — | 16 | ~1924 |
| John Marshall | Head | — | 48 | ~1892 |
| John Marshall | Son | — | 26 | ~1914 |
| Phoebe Marshall | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Boone, Iowa
Son, age 6
Boone, Iowa · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marshall |
| Given Name | John Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | South Dakota |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Boone, Iowa
Son, age 16
Boone, Iowa · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marshall |
| Given Name | John, Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | South Dakota |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Boone-County, Iowa
Son, age 26
Boone-County, Iowa · implied b. ~1914 — 4 household members
| Surname | Marshall |
| Given Name | John Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Boone City |
| 1935 Residence (County) | Boone |
| Occupation | Painter |
| Industry | Interior Decorating |
| Class of Worker | PW |
| Hours Worked | 25 |
| Income (1939) | 800 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 John Marshall (~0.92 confidence) and father John Marshall (~0.92 confidence) and mother Martha Marshall (~0.92 confidence) and mother Phoebe Marshall (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Marshall
b. ~1892
Source father
● Household
· direct · ~0.92
Father
John Marshall
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Martha Marshall
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Phoebe Marshall
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Marshall
Son · 1940 · age 26 · b. ~1914 · Iowa
★ You are viewing this record
Sibling
Arlene Marshall
Sibling · 1940 · age 16
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 — Boone-County, Iowa
Open full size
1940 US Federal Census — Boone-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01141-00396)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Benson Felix Couts | 58 | Head | Janitor | Iowa |
| 2 | Louise Couts | 31 | Daughter | Secretary | Iowa |
| 3 | Nate E Elliott | 75 | Head | — | Iowa |
| 4 | Mattie Elliott | 68 | Wife | — | Missouri |
| 5 | Frank C Elliott | 40 | Son | Salesman | Iowa |
| 6 | H A Elliott | 32 | Son | Engineer | Iowa |
| 7 | Jonathan Stose | 33 | Head | Electrician | Iowa |
| 8 | Vergene Stose | 32 | Wife | — | Iowa |
| 9 | Chester Eshbaugh | 51 | Head | Proprietor | Illinois |
| 10 | Margaret Eshbaugh | 46 | Wife | — | Iowa |
| 11 | Charles Eshbaugh | 17 | Son | — | Iowa |
| 12 | John Eshbaugh | 14 | Son | — | Iowa |
| 13 | Harry Eshbaugh | 12 | Son | — | Iowa |
| 14 | Joyce Eshbaugh | 10 | Daughter | — | Iowa |
| 15 | John Marshall | 48 | Head | Stationary Engineer | Iowa |
| 16 | Phoebe Marshall | 47 | Wife | — | South Dakota |
| 17 | John Jr Marshall THIS PERSON | 26 | Son | Painter | Iowa |
| 18 | Arlene Marshall | 16 | Daughter | — | Iowa |
| 19 | Dorothy Fox | 45 | Head | — | Iowa |
| 20 | Virginia Fox | 6 | Daughter | — | Iowa |
| 21 | Elaine Fox | 5 | Daughter | — | Iowa |
| 22 | Kenneth Fox | 3 | Son | — | Iowa |
| 23 | Guy Holloman | 47 | Head | Engineer | Missouri |
| 24 | Ellen Holloman | 50 | Wife | — | Scotland |
| 25 | Rosina Holloman | 19 | Daughter | — | Iowa |
| 26 | Pauline Holloman | 17 | Daughter | — | Iowa |
| 27 | Margaret Henry | 23 | Daughter | — | Iowa |
| 28 | David Henry | 2 | Grandson | — | Iowa |
| 29 | Samuel Oliver | 21 | Lodger | New Worker | Utah |
| 30 | Clarence Hanson | 31 | Lodger | Minister | Utah |
| 31 | Peter Emmerick | 51 | Head | — | Russia |
| 32 | Aira Emmerick | 18 | Daughter | New Worker | Minnesota |
| 33 | Frances Emmerick | 16 | Daughter | — | Minnesota |
| 34 | Violet Emmerick | 14 | Daughter | — | Minnesota |
| 35 | Milo Lincoln | 24 | Head | Apprentice Carpenter | Iowa |
| 36 | Earlene Lincoln | 18 | Wife | — | Iowa |
| 37 | Ira Bell | 52 | Head | Painter | Iowa |
| 38 | Margaret Bell | 52 | Wife | — | England |
| 39 | Arnold Bell | 23 | Son | Painter | Iowa |
| 40 | Russell Brown | 47 | Head | Janitor | Iowa |
Pedigree Summary
John + 1 sibling
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)