RO
Ruth Olson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Marathon, Wisconsin
Our Model Tree links this Ruth Olson across the 1910, 1920 and 1930 US Censuses in Marathon, Wisconsin (XGBoost, ~Confirmed), with identified parents Frederick & John — first a daughter (b.~1909), then head of a 2-person household.
Age 21
b. ~1909
Female
Daughter
Born: Wisconsin
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Marathon, Wisconsin |
| Surname | Olson |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Hardware Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Bookkeeper |
| Township / Ward | Wausau City |
| Est. Birth Year | ~1909 |
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.
2 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Olson | Daughter | — | 21 | ~1909 |
| Frederick Olson | Head | — | 58 | ~1872 |
Census Appearances
1910
Marathon, Wisconsin
Daughter, age 2
Marathon, Wisconsin · implied b. ~1908 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Norway |
| Mother's Birthplace | Germany |
| Occupation | none |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1920
Marathon, Wisconsin
Daughter, age 11
Marathon, Wisconsin · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Norway |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Marathon, Wisconsin
Daughter, age 21
Marathon, Wisconsin · implied b. ~1909 — 2 household members
| Surname | Olson |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Bookkeeper |
| Industry | Hardware Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Ruth Olson across 3 US Census years (1910, 1920 and 1930) in Marathon, Wisconsin, using XGBoost record linkage. Identified parents: father Frederick Olson (~0.92 confidence) and father John Olson (~0.92 confidence) and father John Olson (~0.92 confidence) and mother Fredericka Olson (~0.92 confidence) and mother Theodora Olson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frederick Olson
b. ~1872
Source father
● Household
· direct · ~0.92
Father
John Olson
b. ~1860
Source father
● Household
· direct · ~0.92
Father
John Olson
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Fredericka Olson
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Theodora Olson
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Olson
Daughter · 1930 · age 21 · b. ~1909 · Wisconsin
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Marathon, Wisconsin
Open full size
1930 US Federal Census — Marathon, Wisconsin
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2582unit:0878)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Gehrke | 30 | Head | Clerk | Wisconsin |
| 2 | Lillian Gehrke | 25 | Wife | — | Wisconsin |
| 3 | Herman Shove | 51 | Head | Labor | Germany |
| 4 | Martha Shove | 57 | Wife | — | Germany |
| 5 | Ellsworth Shove | 12 | Son | — | Wisconsin |
| 6 | Walter Howland | 31 | Head | Machinist | Wisconsin |
| 7 | Anna Howland | 23 | Wife | — | Wisconsin |
| 8 | Virginia Howland | 2 | Daughter | — | Wisconsin |
| 9 | Bernice Howland | 0 | Daughter | — | Wisconsin |
| 10 | Walter Howland | 4 | Son | — | Wisconsin |
| 11 | Raymond Shove | 24 | Head | Mechanic | Wisconsin |
| 12 | Anna Shove | 23 | Wife | — | Wisconsin |
| 13 | Raymond Shove | 1 | Son | — | Wisconsin |
| 14 | Charles Shove | 24 | Head | Laborer | Wisconsin |
| 15 | Alice Shove | 22 | Wife | — | Wisconsin |
| 16 | Doris Shove | 3 | Daughter | — | Wisconsin |
| 17 | Verna Shove | 1 | Daughter | — | Wisconsin |
| 18 | Erick Erickson | 51 | Head | — | Germany |
| 19 | William Erickson | 17 | Son | Truck Driver | Wisconsin |
| 20 | Marion Erickson | 20 | Daughter | Laborer | Wisconsin |
| 21 | Bernice Erickson | 18 | Daughter | Laborer | Wisconsin |
| 22 | Henry Burmeister | 57 | Head | Carpenter | Germany |
| 23 | Minnie Burmeister | 46 | Wife | — | Wisconsin |
| 24 | Henry Burmeister | 23 | Son | Laborer | Wisconsin |
| 25 | Elmer Burmeister | 19 | Son | Laborer | Wisconsin |
| 26 | Julius F. Bretzmann | 68 | Head | Retired | Germany |
| 27 | Bertha Bretzmann | 63 | Wife | — | Germany |
| 28 | Elmer Bretzmann | 21 | Son | — | Wisconsin |
| 29 | Fred Lyon | 71 | Head | Retired | Germany |
| 30 | Bertha Lyon | 50 | Daughter | — | Wisconsin |
| 31 | Lyon | 20 | Gr. Daughter | — | Wisconsin |
| 32 | Fink | 26 | Head | Laborer | Wisconsin |
| 33 | Sigrid Fink | 22 | Wife | — | Wisconsin |
| 34 | Fink | 1 | Daughter | — | Wisconsin |
| 35 | Fink | 51 | Head | Farmer | Germany |
| 36 | Fink | 47 | Wife | — | Wisconsin |
| 37 | Fink | 24 | Daughter | Clerk | Wisconsin |
| 38 | Fink | 21 | Daughter | Clerk | Wisconsin |
| 39 | Fink | 21 | Daughter | Clerk | Wisconsin |
| 40 | Gladys Fink | 18 | Daughter | — | Wisconsin |
| 41 | Fink | 16 | Daughter | — | Wisconsin |
| 42 | Fink | 72 | Gr. In Law | — | Germany |
| 43 | Zada Nina Fink | 21 | Boarder | Bookkeeper | Wisconsin |
| 44 | Frederick Olson | 58 | Head | — | Germany |
| 45 | Olson | 53 | Wife | Laborer | Wisconsin |
| 46 | Ruth Olson THIS PERSON | 21 | Daughter | Bookkeeper | Wisconsin |
| 47 | Ferdinand Utecht | 57 | Head | Laborer | Germany |
| 48 | Martha Utecht | 55 | Wife | — | Germany |
| 49 | Arnold Utecht | 23 | Son | Repairer | Wisconsin |
| 50 | Gerhard Utecht | 26 | Son | Laborer | Wisconsin |
Pedigree Summary
Ruth
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 1930 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)