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Oscar Olson — 1930 US Census Record
Model Tree available1930 United States Federal Census · None, None
Our Model Tree links this Oscar Olson across the 1910, 1920 and 1930 US Censuses (XGBoost, ~Confirmed), with identified parents Erick & Anna — first a son (b.~1897), then head of a 5-person household.
Age 33
b. ~1897
Male
Son
Born: South Dakota
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | None, None |
| Surname | Olson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Occupation | Farm Laborer |
| 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 1930 census.
| Name | Relation to head | Relative to Oscar | Age | Birth yr |
|---|---|---|---|---|
| Avis Olson | Daughter | — | 15 | ~1915 |
| Erick Olson | Head | — | 69 | ~1861 |
| Marie Olson | Other | — | 66 | ~1864 |
| Oscar Olson | Son | — | 33 | ~1897 |
| Joseph Olson | Son | — | 28 | ~1902 |
Census Appearances
1910
None, None
Son, age 16
None, None · implied b. ~1894 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Norway |
| Occupation | Farm Laborer |
| Industry | Home Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1920
None, None
Son, age 25
None, None · implied b. ~1895 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Laborer |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1930
None, None
Son, age 33
None, None · implied b. ~1897 — 5 household members
| Surname | Olson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farm Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
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 None, None, using XGBoost record linkage. Identified parents: father Erick Olson (~0.92 confidence) and mother Anna Olson (~0.92 confidence) and father Iver Olson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Erick Olson
b. ~1861
Source father
● Household
· direct · ~0.92
Mother
Anna Olson
b. ~1866
Source mother
● Household
· direct · ~0.92
Father
Iver Olson
b. ~1867
Source father
● Household
· direct · ~0.92
This person
Anchor record
Oscar Olson
Son · 1930 · age 33 · b. ~1897 · None
★ You are viewing this record
Sibling
Joseph Olson
Sibling · 1930 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Avis Olson
Sibling · 1930 · age 15
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
1930 US Federal Census — None, None
Open full size
1930 US Federal Census — None, None
Page Contents
49 people indexed on this census page (ia:1930:15thcensus1741unitrs:1023)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Castel | 22 | Son | Farm Laborer | Illinois |
| 2 | Cleda | 19 | Daughter | — | North Dakota |
| 3 | Lea | 17 | Son | Farm Laborer | North Dakota |
| 4 | Erma | 15 | Daughter | — | North Dakota |
| 5 | Lorna | 11 | Daughter | — | North Dakota |
| 6 | Katy-H | 27 | Daughter | — | South Dakota |
| 8 | Charlie Wienke | 43 | Head | Farmer | Germany |
| 9 | Carrie Wienke | 40 | Wife-H | — | Wisconsin |
| 10 | Adessa Wienke | 19 | Daughter | — | Minnesota |
| 11 | Otto P Teske | 44 | Head | Farmer | Wisconsin |
| 12 | Stella Teske | 41 | Wife-H | — | Wisconsin |
| 13 | Frances Teske | 14 | Daughter | — | North Dakota |
| 14 | Wyllis Teske | 12 | Son | — | North Dakota |
| 15 | Lloyd Teske | 8 | Son | — | North Dakota |
| 16 | Gordon Teske | 6 | Son | — | North Dakota |
| 17 | Caroline Larson | 44 | Head | Farmer | Sweden |
| 18 | Clark D Larson | 20 | Son | Farm Laborer | North Dakota |
| 19 | Arthur Larson | 19 | Son | Farm Laborer | North Dakota |
| 20 | Gladys Larson | 18 | Daughter | — | North Dakota |
| 21 | Hildur Larson | 16 | Daughter | — | North Dakota |
| 22 | Erick Olson | 69 | Head | Farmer | Norway |
| 23 | Marie Olson | 66 | Wife-H | — | Norway |
| 24 | Oscar Olson THIS PERSON | 33 | Son | Farm Laborer | South Dakota |
| 25 | Joseph Olson | 28 | Son | Farm Laborer | South Dakota |
| 26 | Avis Olson | 15 | Daughter | — | South Dakota |
| 27 | Nels O Hyltra | 51 | Head | Farmer | Norway |
| 28 | Edith Hyltra | 40 | Wife-H | — | Minnesota |
| 29 | Gilbert-P Omsgaard | 63 | Head | Farmer | Minnesota |
| 30 | Ida Omsgaard | 58 | Wife-H | — | Minnesota |
| 31 | Jens P Rose | 55 | Head | Farmer | Norway |
| 32 | Dina Rose | 47 | Wife-H | — | South Dakota |
| 33 | Annabelle Rose | 10 | Adopted | — | United States |
| 34 | Andrew Pederson | 25 | Servant | Farm Laborer | Wisconsin |
| 35 | Fred Schraer | 43 | Head | Farmer | Iowa |
| 36 | Alma Schraer | 36 | Wife-H | — | Iowa |
| 37 | Fred Schraer | 16 | Son | Farm Laborer | Iowa |
| 38 | Robert Schraer | 13 | Son | — | North Dakota |
| 39 | Dorothy Schraer | 9 | Daughter | — | North Dakota |
| 40 | Roy Schraer | 6 | Son | — | North Dakota |
| 41 | Galen Schraer | 3 | Daughter | — | North Dakota |
| 42 | Hans Pederson | 50 | Head | Farmer | Norway |
| 43 | Maren Pederson | 87 | Mother-H | — | Norway |
| 44 | Lillian Pierce | 35 | Head | Farmer | Minnesota |
| 45 | Palma Pierce | 17 | Daughter | — | North Dakota |
| 46 | Richard Pierce | 15 | Son | Farm Laborer | North Dakota |
| 47 | Dorothy Pierce | 13 | Daughter | — | North Dakota |
| 48 | Lillian Pierce | 11 | Daughter | — | North Dakota |
| 49 | Clarence Mekvold | 57 | Head | Farmer | Norway |
| 50 | Sarah Mekvold | 56 | Wife-H | — | Norway |
Pedigree Summary
Oscar + 2 siblings
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 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)