JW
John Wilson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marshall-County, Iowa
Our Model Tree links this John Wilson across the 1920, 1930 and 1940 US Censuses in Marshall-County, Iowa (XGBoost, ~Confirmed), with identified parents F & Fredrick — first a son (b.~1919), then head of a 3-person household.
Age 21
b. ~1919
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marshall-County, Iowa |
| Surname | Wilson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Marshalltown |
| 1935 Residence (County) | Marshall |
| Additional Details | |
| Occupation | Truck driver |
| Industry | Wholesale fruit Co |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 624 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Truck Driver |
| Township / Ward | Marshalltown |
| Est. Birth Year | ~1919 |
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 |
|---|---|---|---|---|
| Fredrick Wilson | Head | — | 48 | ~1892 |
| John Wilson | Son | — | 21 | ~1919 |
| Helen Wilson | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Marshall, Iowa
Son, age 1
Marshall, Iowa · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wilson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Marshall, Iowa
Son, age 11
Marshall, Iowa · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wilson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Marshall-County, Iowa
Son, age 21
Marshall-County, Iowa · implied b. ~1919 — 3 household members
| Surname | Wilson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Marshalltown |
| 1935 Residence (County) | Marshall |
| Occupation | Truck driver |
| Industry | Wholesale fruit Co |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 624 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| 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 Wilson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father F Wilson (~0.92 confidence) and father Fredrick Wilson (~0.92 confidence) and father F Wilson (~0.92 confidence) and mother Helen Wilson (~0.92 confidence) and mother Helen Wilson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
F Wilson
b. ~1893
Source father
● Household
· direct · ~0.92
Father
Fredrick Wilson
b. ~1892
Source father
● Household
· direct · ~0.92
Father
F Wilson
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Helen Wilson
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Helen Wilson
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Wilson
Son · 1940 · age 21 · b. ~1919 · Iowa
★ 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 — Marshall-County, Iowa
Open full size
1940 US Federal Census — Marshall-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01182-00640)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Eva Mayer | 40 | Wife | — | Iowa |
| 42 | Lois Mayer | 19 | Daughter | Clerk | Iowa |
| 43 | Genevieve Mayer | 17 | Daughter | — | Iowa |
| 44 | Emma Mayer | 16 | Daughter | — | Iowa |
| 45 | Albert Mayer | 14 | Son | — | Iowa |
| 46 | Floyd Mayer | 9 | Son | — | Iowa |
| 47 | Elizabeth Munger | 41 | Head | Teacher | Iowa |
| 48 | A. H. Schager | 63 | Head | Supervisor | Iowa |
| 49 | Lena Schager | 59 | Wife | — | Germany |
| 50 | John R. Buchwald | 37 | Head | Truck Driver | Iowa |
| 51 | Margaret Buchwald | 37 | Wife | — | Iowa |
| 52 | William Buchwald | 14 | Son | — | Iowa |
| 53 | Robert J. Buchwald | 3 | Son | — | Iowa |
| 54 | Julia Burns | 67 | Mother in law | — | Ohio |
| 55 | Dwight Burns | 19 | Lodger | Office Work | Iowa |
| 56 | Vernie Buffington | 20 | Lodger | Stock Room Clerk | Iowa |
| 57 | J. R. Kessler | 73 | Head | — | Iowa |
| 58 | Bessie E. Kessler | 60 | Wife | — | Iowa |
| 59 | Margaret Petersen | 25 | Head | Stenographer | Iowa |
| 60 | Isabelle Mots | 22 | Lodger | — | Iowa |
| 61 | Anna Powers | 73 | Head | — | Iowa |
| 62 | Ruth Powers | 41 | Daughter | Clerk | Iowa |
| 63 | Rachel Powers | 38 | Daughter | Clerk | Iowa |
| 64 | Bruce Hendrix | 58 | Head | Engineer | Illinois |
| 65 | Pearl Hendrix | 51 | Wife | — | Iowa |
| 66 | Jack Lee Hendrix | 9 | Son | — | Illinois |
| 67 | S. R. Piper | 65 | Head | Police Officer | Illinois |
| 68 | Margaret Piper | 70 | Wife | — | Pennsylvania |
| 69 | Wm W. Plander | 55 | Head | Construction Foreman | Iowa |
| 70 | Minnie Plander | 57 | Wife | — | Iowa |
| 71 | Elmer Plander | 27 | Son | Laborer | Iowa |
| 72 | Margaret Lewis | 46 | Head | — | Missouri |
| 73 | Marie Lewis | 20 | Daughter | Laborer | Missouri |
| 74 | Kevin Jr. Long | 11 | Grandson | — | Iowa |
| 75 | Harry L. Volsberg | 46 | Head | Office Clerk | Iowa |
| 76 | Mayme Volsberg | 51 | Sister | — | Iowa |
| 77 | James H. Burdick | 25 | Nephew | Laborer | Iowa |
| 78 | Fredrick B. Wilson | 48 | Head | Printer | Iowa |
| 79 | Helen Wilson | 45 | Wife | — | Iowa |
| 80 | John Wilson THIS PERSON | 21 | Son | Truck Driver | Iowa |
Pedigree Summary
John
Gen 1 · 5 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)