JO
John Olson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Barron-County, Wisconsin
Our Model Tree links this John Olson across the 1910, 1920, 1930 and 1940 US Censuses in Barron-County, Wisconsin (XGBoost, ~Confirmed), with identified parents Ole — first a head (b.~1893), then head of a 4-person household.
Age 47
b. ~1893
Male
Head
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Barron-County, Wisconsin |
| Surname | Olson |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Sioux Creek Township |
| 1935 Residence (County) | Barron |
| Additional Details | |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Farming |
| Township / Ward | Sioux Creek Township |
| Est. Birth Year | ~1893 |
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 |
|---|---|---|---|---|
| Frances Olson | Daughter | — | 14 | ~1926 |
| John Olson | Head | — | 47 | ~1893 |
| Kenneth Olson | Son | — | 20 | ~1920 |
| Agnes Olson | Spouse | — | 44 | ~1896 |
Census Appearances
1910
Barron, Wisconsin
Son, age 17
Barron, Wisconsin · implied b. ~1893 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Johnny |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Laborer |
| Industry | Home Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1920
Barron, Wisconsin
Head, age 27
Barron, Wisconsin · implied b. ~1893 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | farmer |
| Industry | general farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Barron, Wisconsin
Head, age 37
Barron, Wisconsin · implied b. ~1893 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Age at First Marriage | 22 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Home Owned/Rented | 14 |
| Home Value / Rent | R |
| Veteran | R |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Barron-County, Wisconsin
Head, age 47
Barron-County, Wisconsin · implied b. ~1893 — 4 household members
| Surname | Olson |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Sioux Creek Township |
| 1935 Residence (County) | Barron |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ole Olson (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ole Olson
b. ~1855
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Olson
Head · 1940 · age 47 · b. ~1893 · Wisconsin
★ 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 — Barron-County, Wisconsin
Open full size
1940 US Federal Census — Barron-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04457-00853)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Christian Moen | 26 | Head | Farming | Wisconsin |
| 42 | Charles A. Luecke | 44 | Head | Farming | Wisconsin |
| 43 | Lucy Luecke | 41 | Wife | — | Wisconsin |
| 44 | Charles Luecke | 14 | Son | — | Wisconsin |
| 45 | Anita Luecke | 17 | Daughter | Beauty Operator | Wisconsin |
| 46 | Shirley Luecke | 16 | Daughter | — | Wisconsin |
| 47 | Mitchell Luecke | 11 | Son | — | Wisconsin |
| 48 | Harold Luecke | 8 | Son | — | Wisconsin |
| 49 | Dwight Smith | 61 | Head | Farming | Minnesota |
| 50 | Effie Smith | 52 | Wife | — | Wyoming |
| 51 | George Smith | 20 | Son | Farming | Wisconsin |
| 52 | Clayton Smith | 18 | Son | — | Canada |
| 53 | Stuart Smith | 14 | Son | — | Wisconsin |
| 54 | Clifford Smith | 12 | Son | — | Wisconsin |
| 55 | Hazel Smith | 9 | Daughter | — | Wisconsin |
| 56 | Ben Williams | 47 | Head | Farming | Wisconsin |
| 57 | Nell Williams | 46 | Wife | — | Wisconsin |
| 58 | Clifford Williams | 20 | Son | Truck Driver | Wisconsin |
| 59 | Wayne Johnson | 24 | Hired Hand | Farming | Wisconsin |
| 60 | Sophia Patchin | 79 | Head | — | Wisconsin |
| 61 | Chloe Patchin | 73 | Wife | — | Wisconsin |
| 62 | Joseph Patchin | 56 | Son | Farming | Wisconsin |
| 63 | James Patchin | 14 | Grand-nephew | — | Wisconsin |
| 64 | Arthur De Boss | 61 | Head | Wpa Project | Belgium |
| 65 | Lula De Boss | 40 | Wife | — | Wisconsin |
| 66 | Melvin De Boss | 16 | Son | Farming | Wisconsin |
| 67 | Alice De Boss | 16 | Daughter | — | Wisconsin |
| 68 | Gernit De Boss | 14 | Son | — | Wisconsin |
| 69 | Vivian De Boss | 13 | Daughter | — | Wisconsin |
| 70 | Mara De Boss | 11 | Daughter | — | Wisconsin |
| 71 | Carilda De Boss | 9 | Daughter | — | Wisconsin |
| 72 | La Rita De Boss | 8 | Daughter | — | Wisconsin |
| 73 | Marland De Boss | 5 | Son | — | Wisconsin |
| 74 | Arleta De Boss | 1 | Daughter | — | Wisconsin |
| 75 | John A. Olson THIS PERSON | 47 | Head | Farming | Wisconsin |
| 76 | Agnes Olson | 44 | Wife | — | Wisconsin |
| 77 | Kenneth Olson | 20 | Son | Farming | Wisconsin |
| 78 | Frances Olson | 14 | Daughter | — | Wisconsin |
| 79 | Kenneth Pabst | 25 | Head | Farming | Wisconsin |
| 80 | Mable Pabst | 21 | Wife | — | Wisconsin |
Pedigree Summary
John
Gen 1 · 1 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)