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John Olson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Atchison-County, Kansas
Our Model Tree links this John Olson across the 1920, 1930 and 1940 US Censuses in Atchison-County, Kansas (XGBoost, ~Confirmed), with identified parents John & Pauline — first a son (b.~1920), then head of a 3-person household.
Age 20
b. ~1920
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Atchison-County, Kansas |
| Surname | Olson |
| Given Name | John Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Atchison |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Farmer |
| Township / Ward | Lancaster Township |
| Est. Birth Year | ~1920 |
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 |
|---|---|---|---|---|
| John Olson | Head | — | 44 | ~1896 |
| John Olson | Son | — | 20 | ~1920 |
| Pauline Olson | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Atchison, Kansas
Son, age
Atchison, Kansas · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | John L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Atchison, Kansas
Son, age 10
Atchison, Kansas · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | John L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Atchison-County, Kansas
Son, age 20
Atchison-County, Kansas · implied b. ~1920 — 3 household members
| Surname | Olson |
| Given Name | John Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Atchison |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Olson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Olson (~0.92 confidence) and mother Pauline Olson (~0.92 confidence) and mother Pauline Olson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Olson
b. ~1896
Source father
● Household
· direct · ~0.92
Mother
Pauline Olson
b. ~1896
Source mother
● Household
· direct · ~0.92
Mother
Pauline Olson
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Olson
Son · 1940 · age 20 · b. ~1920 · Kansas
★ 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 — Atchison-County, Kansas
Open full size
1940 US Federal Census — Atchison-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01219-00526)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John E. Olson | 44 | Head | Farmer | Kansas |
| 2 | Pauline Olson | 44 | Wife | — | Kansas |
| 3 | John Louis Olson THIS PERSON | 20 | Son | Farmer | Kansas |
| 4 | Clarence Gross | 24 | Head | Farmer | Kansas |
| 5 | Mary Gross | 20 | Wife | — | Missouri |
| 6 | George Meyer | 45 | Head | Farmer | Kansas |
| 7 | Helen Meyer | 40 | Wife | — | Kansas |
| 8 | Edward Stutz | 42 | Head | Farmer | Kansas |
| 9 | Selma Stutz | 41 | Wife | — | Kansas |
| 10 | Walter Wehking | 32 | Head | Farmer | Kansas |
| 11 | Mable Wehking | 30 | Wife | — | Kansas |
| 12 | Betty J. Wehking | 1 | Daughter | — | Kansas |
| 13 | Earl Nye | 49 | Head | Farmer | Kansas |
| 14 | Lena Nye | 47 | Wife | — | Kansas |
| 15 | Lowell Nye | 18 | Son | Farm Laborer | Kansas |
| 16 | William Nye | 90 | Father | — | Iowa |
| 17 | John Bowser | 70 | Head | Farmer | Kansas |
| 18 | Lula Bowser | 60 | Wife | — | Illinois |
| 19 | Louis Bowser | 45 | Son | Road Patrol Man | Kansas |
| 20 | June Bowser | 34 | Daughter in law | — | Kansas |
| 21 | Shirley Bowser | 1 | Grand Daughter | — | Kansas |
| 22 | Oliver Mclennon | 38 | Head | Farmer | Kansas |
| 23 | Sarah Mclennon | 37 | Wife | — | Kansas |
| 24 | Joyce Mclennon | 12 | Daughter | — | Kansas |
| 25 | Mary Mclennon | 78 | Mother | — | Kansas |
| 26 | Charles Nyhart | 43 | Head | Farmer | Kansas |
| 27 | Gail A. Nyhart | 32 | Wife | — | Kansas |
| 28 | Henry Lasery | 58 | Father | — | Germany |
| 29 | William Litzke | 58 | Head | Farmer | Germany |
| 30 | Karl Litzke | 25 | Son | Farm Laborer | Kansas |
| 31 | Elsie Litzke | 23 | Daughter | — | Kansas |
| 32 | Walter C. Litzke | 20 | Son | Farm Laborer | Kansas |
| 33 | Mildred Litzke | 15 | Daughter | — | Kansas |
| 34 | Theodore Buddenbohm | 36 | Son in law | Farm Laborer | Kansas |
| 35 | Alice Buddenbohm | 24 | Daughter | — | Kansas |
| 36 | Chester Adcock | 46 | Head | Farmer | Kansas |
| 37 | Mary Adcock | 43 | Wife | — | Iowa |
| 38 | Kenneth Swendson | 28 | Head | Farmer | Kansas |
| 39 | Nellie Swendson | 28 | Wife | — | Kansas |
| 40 | Larry Swendson | 3 | Son | — | Kansas |
Related Census Records
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)