WO
William Olson — 1920 US Census Record
Model Tree available1920 United States Federal Census · Clay, Minnesota
Our Model Tree links this William Olson across the 1900, 1910 and 1920 US Censuses in Clay, Minnesota (XGBoost, ~Confirmed), with identified parents Nels & Ole — first a son (b.~1893), then head of a 8-person household.
Age 27
b. ~1893
Male
Son
Born: Minnesota
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Clay, Minnesota |
| Surname | Olson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 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 | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Farm Laborer |
| Township / Ward | Parke 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.
8 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Nels Olson | Head | — | 58 | ~1862 |
| Mabel Olson | Daughter | — | 22 | ~1898 |
| Ragnhild Olson | Spouse | — | 53 | ~1867 |
| Ida Olson | Daughter | — | 31 | ~1889 |
| Henry Olson | Son | — | 30 | ~1890 |
| Elmer Olson | Son | — | 15 | ~1905 |
| William Olson | Son | — | 27 | ~1893 |
| Norman Olson | Son | — | 17 | ~1903 |
Census Appearances
1900
Clay, Minnesota
Son, age 8
Clay, Minnesota · implied b. ~1892 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Birth Month | Dec |
| Birth Year | 1892 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1910
Clay, Minnesota
Son, age 17
Clay, Minnesota · implied b. ~1893 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farm Laborer |
| Industry | Home Farm |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
Clay, Minnesota
Son, age 27
Clay, Minnesota · implied b. ~1893 — 8 household members
| Surname | Olson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 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 | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 William Olson across 3 US Census years (1900, 1910 and 1920) in Clay, Minnesota, using XGBoost record linkage. Identified parents: father Nels Olson (~0.92 confidence) and father Ole Olson (~0.92 confidence) and mother Magnild Olson (~0.92 confidence) and mother Ragnhild Olson (~0.92 confidence) and mother Ragnhild Olson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Nels Olson
b. ~1862
Source father
● Household
· direct · ~0.92
Father
Ole Olson
b. ~1861
Source father
● Household
· direct · ~0.92
Mother
Magnild Olson
b. ~1867
Source mother
● Household
· direct · ~0.92
Mother
Ragnhild Olson
b. ~1867
Source mother
● Household
· direct · ~0.92
Mother
Ragnhild Olson
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Olson
Son · 1920 · age 27 · b. ~1893 · Minnesota
★ You are viewing this record
Sibling
Norman Olson
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Olson
Sibling · 1920 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mabel Olson
Sibling · 1920 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ida Olson
Sibling · 1920 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elmer Olson
Sibling · 1920 · 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
1920 US Federal Census — Clay, Minnesota
Open full size
1920 US Federal Census — Clay, Minnesota
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu827unit:1051)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry G. Hanson | 39 | Head | Farmer | Minnesota |
| 2 | Alfred Hanson | 29 | Brother | Farm Laborer | Minnesota |
| 3 | Elmer E. Wost | 26 | Head | Farmer | Minnesota |
| 4 | Ellen Wost | 27 | Wife | — | Minnesota |
| 5 | Norton L. Wost | 1 | Son | — | Minnesota |
| 6 | Hans Erickson | 65 | Uncle | — | Norway |
| 7 | Jorgine Anderson | 22 | Boarder | — | Minnesota |
| 8 | Melhud T. Soffling | 12 | Boarder | — | Minnesota |
| 9 | Halvor Ingstad | 59 | Head | Farmer | Norway |
| 10 | Margit Ingstad | 54 | Wife | — | Norway |
| 11 | Selma H. Ingstad | 27 | Daughter | Teacher | Minnesota |
| 12 | Harry M. Ingstad | 24 | Son | Farm Laborer | Minnesota |
| 13 | George H. Ingstad | 20 | Son | Farm Laborer | Minnesota |
| 14 | Hattie G. Ingstad | 15 | Daughter | — | Minnesota |
| 15 | Ruth E. Ingstad | 14 | Daughter | — | Minnesota |
| 16 | Carl J. Ingstad | 12 | Son | — | Minnesota |
| 17 | Nels Olson | 58 | Head | Farmer | Norway |
| 18 | Ragnhild Olson | 53 | Wife | — | Norway |
| 19 | Ida J. Olson | 31 | Daughter | Teacher | Minnesota |
| 20 | Henry Olson | 30 | Son | Carpenter | Minnesota |
| 21 | William Olson THIS PERSON | 27 | Son | Farm Laborer | Minnesota |
| 22 | Mabel Olson | 22 | Daughter | — | Minnesota |
| 23 | Norman Olson | 17 | Son | Farm Laborer | Minnesota |
| 24 | Elmer Olson | 15 | Son | — | Minnesota |
| 25 | Sam Overvold | 34 | Head | Farmer | Wisconsin |
| 26 | Martha Overvold | 34 | Wife | — | Minnesota |
| 27 | Overvold | 1 | Son | — | Minnesota |
| 28 | Oulian O. Olson | 64 | Head | Farmer | Norway |
| 29 | Jorgine Olson | 62 | Wife | — | Norway |
| 30 | Alma Olson | 29 | Daughter | — | Minnesota |
| 31 | Harry P. Olson | 21 | Son | Farm Laborer | Minnesota |
| 32 | Martin B. Wost | 29 | Head | Farmer | Minnesota |
| 33 | Agnes H. Wost | 25 | Wife | — | Minnesota |
| 34 | Olof Gunderson | 50 | Head | Farmer | Sweden |
| 35 | Inger Gunderson | 50 | Wife | — | Norway |
| 36 | Conrad B. Gunderson | 30 | Son | Farm Laborer | Minnesota |
| 37 | Selma I. Gunderson | 15 | Daughter | — | Minnesota |
| 38 | Lillian J. Gunderson | 11 | Daughter | — | Minnesota |
| 39 | Martha A. Gunderson | 7 | Daughter | — | Minnesota |
| 40 | Gunderson | 74 | Boarder | — | Norway |
| 41 | Gundruf Gunderson | 65 | Head | Farmer | Norway |
| 42 | Tom Gunderson | 21 | Son | Farm Laborer | Minnesota |
| 43 | Andrew Westlund | 39 | Head | Farmer | Iowa |
| 44 | Nellie Westlund | 47 | Wife | — | Norway |
| 45 | Mabel Westlund | 19 | Daughter | Farm Laborer | Minnesota |
| 46 | Alice Westlund | 16 | Daughter | Farm Laborer | Minnesota |
| 47 | Edith Westlund | 13 | Daughter | — | Minnesota |
| 48 | John Olson | 57 | Head | Farmer | Norway |
| 49 | Hilda Olson | 47 | Wife | — | Norway |
| 50 | Olson | 17 | Son | Farmer | Minnesota |
Pedigree Summary
William + 5 siblings
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 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)