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Oscar Olson — 1920 US Census Record
Model Tree available1920 United States Federal Census · Door, Wisconsin
Our Model Tree links this Oscar Olson across the 1910, 1920 and 1930 US Censuses in Door, Wisconsin (XGBoost, ~Confirmed), with identified parents Cornelius & Amund — first a son (b.~1897), then head of a 5-person household.
Age 23
b. ~1897
Male
Son
Born: Wisconsin
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Door, Wisconsin |
| Surname | Olson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | Home Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Farm Laborer |
| Township / Ward | Nasewaupee Township |
| Est. Birth Year | ~1897 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Oscar | Age | Birth yr |
|---|---|---|---|---|
| Agnes Olson | Daughter | — | 20 | ~1900 |
| Amund Olson | Head | — | 57 | ~1863 |
| Katherine Olson | Other | — | 44 | ~1876 |
| Oscar Olson | Son | — | 23 | ~1897 |
| Amanda Olson | Spouse | — | 55 | ~1865 |
Census Appearances
1910
Door, Wisconsin
Son, age 14
Door, Wisconsin · implied b. ~1896 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1920
Door, Wisconsin
Son, age 23
Door, Wisconsin · implied b. ~1897 — 5 household members
| Surname | Olson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farm Laborer |
| Industry | Home Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Door, Wisconsin
Head, age 34
Door, Wisconsin · implied b. ~1896 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Age at First Marriage | 30 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farmer |
| Industry | Dairy farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| 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 Oscar Olson across 3 US Census years (1910, 1920 and 1930) in Door, Wisconsin, using XGBoost record linkage. Identified parents: father Cornelius Olsen (~0.92 confidence) and father Amund Olson (~0.92 confidence) and mother Amanda Olson (~0.92 confidence) and mother Lizzie Olsen (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Cornelius Olsen
b. ~1855
Source father
● Household
· direct · ~0.92
Father
Amund Olson
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Amanda Olson
b. ~1865
Source mother
● Household
· direct · ~0.92
Mother
Lizzie Olsen
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Olson
Son · 1920 · age 23 · b. ~1897 · Wisconsin
★ You are viewing this record
Sibling
Agnes Olson
Sibling · 1920 · age 20
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
1920 US Federal Census — Door, Wisconsin
Open full size
1920 US Federal Census — Door, Wisconsin
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1983unit:0758)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Tessendorf | 62 | Head | Farmer | Holland |
| 2 | Delia Tessendorf | 60 | Wife | — | Wisconsin |
| 3 | Florence M Tessendorf | 23 | Daughter | — | Wisconsin |
| 4 | Leo J Tessendorf | 21 | Son | Laborer | Wisconsin |
| 5 | Robert W Tessendorf | 15 | Daughter | — | Wisconsin |
| 6 | Gustave C Ruth | 31 | Head | Farmer | Wisconsin |
| 7 | Minnie F Ruth | 22 | Wife | — | Wisconsin |
| 8 | Ernest Umnus | 43 | Head | Farmer | Wisconsin |
| 9 | Lydia M Umnus | 41 | Wife | — | Wisconsin |
| 10 | Esther Umnus | 17 | Daughter | — | Wisconsin |
| 11 | Sylvia Umnus | 13 | Daughter | Student | Wisconsin |
| 12 | Sidney Umnus | 11 | Son | — | Wisconsin |
| 13 | Willard Umnus | 7 | Son | — | Wisconsin |
| 14 | C Bart | 25 | Head | — | Wisconsin |
| 15 | Ruth Bart | 25 | Wife | — | Wisconsin |
| 16 | Joseph H Rousseau | 72 | Head | Teamster | Wisconsin |
| 17 | Bertha Rousseau | 30 | Wife | — | Wisconsin |
| 18 | Simon Rousseau | 6 | Son | — | Wisconsin |
| 19 | Esther Rousseau | 4 | Daughter | — | Wisconsin |
| 20 | Alvin Rousseau | 3 | Son | — | Wisconsin |
| 21 | Milton Rousseau | 1 | Son | — | Wisconsin |
| 22 | Louis Tessendorf | 31 | Head | — | Wisconsin |
| 23 | Mary Tessendorf | 30 | Wife | Laborer | Wisconsin |
| 24 | Leo Tessendorf | 11 | Son | — | Wisconsin |
| 25 | Lewis Tessendorf | 10 | Son | — | Wisconsin |
| 26 | Edward Tessendorf | 1 | Son | — | Wisconsin |
| 27 | Eugene Feline | 35 | Head | Farmer | Wisconsin |
| 28 | Alice Feline | 33 | Wife | — | Wisconsin |
| 29 | Emma Feline | 11 | Daughter | — | Wisconsin |
| 30 | Alvin Feline | 4 | Son | — | Wisconsin |
| 31 | Charles Bart | 32 | Head | — | Wisconsin |
| 32 | Alice Bart | 27 | Wife | — | Wisconsin |
| 33 | Adeline Bart | 1 | Daughter | — | Wisconsin |
| 34 | Gilbert Bart | 77 | Head | Farmer | Norway |
| 35 | Mary Bart | 70 | Wife | — | Norway |
| 36 | Gustav Bart | 44 | Son | — | Wisconsin |
| 37 | William Bart | 42 | Son | Teamster | Wisconsin |
| 38 | Emma Bart | 39 | Daughter | Farm Laborer | Wisconsin |
| 39 | Agnes Bart | 37 | Daughter | — | Wisconsin |
| 40 | Amund Olson | 57 | Head | Farmer | Norway |
| 41 | Amanda Olson | 55 | Wife | — | Norway |
| 42 | Oscar Olson THIS PERSON | 23 | Son | Farm Laborer | Wisconsin |
| 43 | Agnes Olson | 20 | Daughter | Student | Wisconsin |
| 44 | Katherine Olson | 44 | Sister | — | Norway |
| 45 | John Dahl | 54 | Head | Farmer | Norway |
| 46 | Anna Dahl | 44 | Wife | — | Wisconsin |
| 47 | Alice Dahl | 14 | Daughter | — | Wisconsin |
| 48 | August Tessendorf | 64 | Head | — | Wisconsin |
| 49 | Minnie Tessendorf | 56 | Sister | — | Wisconsin |
| 50 | William Tessendorf | 50 | Brother | — | Wisconsin |
Pedigree Summary
Oscar + 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 1920 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)