WO
William Olson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Douglas-County, Wisconsin
Our Model Tree links this William Olson across the 1930 and 1940 US Censuses in Douglas-County, Wisconsin (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 11-person household.
Age 55
b. ~1885
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Douglas-County, Wisconsin |
| Surname | Olson |
| Given Name | William C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Maple town |
| 1935 Residence (County) | Douglas |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Farmer |
| Township / Ward | Maple Town |
| Est. Birth Year | ~1885 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Hilja Olson | Spouse | — | 55 | ~1885 |
| Edna Olson | Daughter | — | 18 | ~1922 |
| Reino Olson | Son | — | 31 | ~1909 |
| William Olson | Head | — | 55 | ~1885 |
| Ben Olson | Son | — | 32 | ~1908 |
| Walter Olson | Son | — | 22 | ~1918 |
| Raymond Olson | Son | — | 11 | ~1929 |
| Emma Olson | Daughter | — | 14 | ~1926 |
| Elvie Olson | Daughter | — | 26 | ~1914 |
| Arthur Olson | Son | — | 25 | ~1915 |
| Hilja Olson | Daughter | — | 20 | ~1920 |
Census Appearances
1930
Douglas, Wisconsin
Head, age 44
Douglas, Wisconsin · implied b. ~1886 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | William C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 19 |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Occupation | Farmer |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 800 |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Douglas-County, Wisconsin
Head, age 55
Douglas-County, Wisconsin · implied b. ~1885 — 11 household members
| Surname | Olson |
| Given Name | William C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Maple town |
| 1935 Residence (County) | Douglas |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Olson
Head · 1940 · age 55 · b. ~1885 · Wisconsin
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Douglas-County, Wisconsin
Open full size
1940 US Federal Census — Douglas-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04474-00727)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marvin A. Mattson | 8 | Son | — | Wisconsin |
| 2 | Marcella A. Mattson | 5 | Daughter | — | Wisconsin |
| 3 | John Rusna | 75 | Head | Labor | Finland |
| 4 | Frank Maki | 62 | Head | Farmer | Finland |
| 5 | Anna S. Maki | 56 | Wife | — | Finland |
| 6 | Emma Maki | 22 | Daughter | Cook | Wisconsin |
| 7 | Ida Maki | 19 | Daughter | Waiter | Wisconsin |
| 8 | Anne Maki | 17 | Daughter | Clerk | Wisconsin |
| 9 | Ruth Maki | 15 | Daughter | — | Wisconsin |
| 10 | Eugene Maki | 12 | Son | — | Wisconsin |
| 11 | Nikodemus Maki | 11 | Son | — | Wisconsin |
| 12 | Axel Nelson | 59 | Head | Farmer | Sweden |
| 13 | Sandra Nelson | 53 | Wife | — | Finland |
| 14 | Norman W. Nelson | 28 | Son | Seaman | Wisconsin |
| 15 | Violet E. Nelson | 20 | Daughter | Maid | Wisconsin |
| 16 | William C. Olson THIS PERSON | 55 | Head | Farmer | Michigan |
| 17 | Hilja S. Olson | 55 | Wife | — | Finland |
| 18 | Ben H. Olson | 32 | Son | Seaman | Wisconsin |
| 19 | Reino E. Olson | 31 | Son | Labour | Wisconsin |
| 20 | Arthur M. Olson | 25 | Son | Seaman | Wisconsin |
| 21 | Elvie T. Olson | 26 | Daughter | Maid | Wisconsin |
| 22 | Walter A. Olson | 22 | Son | Seaman | Wisconsin |
| 23 | Hilja E. Olson | 20 | Daughter | Maid | Wisconsin |
| 24 | Edna M. Olson | 18 | Daughter | Waitress | Wisconsin |
| 25 | Emma L. Olson | 14 | Daughter | — | Wisconsin |
| 26 | Raymond T. Olson | 11 | Son | — | Wisconsin |
| 27 | Helmer C. Ritzen | 53 | Head | Farmer | Sweden |
| 28 | Tekla L. Ritzen | 48 | Wife | — | Sweden |
| 29 | Evert R. Ritzen | 26 | Son | Labor | Wisconsin |
| 30 | Albin O. Falk | 57 | Head | Farmer | Iowa |
| 31 | Ida M. Falk | 45 | Wife | — | Iowa |
| 32 | Ima E. Falk | 21 | Daughter | Maid | Montana |
| 33 | Dale O. Falk | 20 | Son | Labor | Iowa |
| 34 | Leroy L. Falk | 18 | Son | Labor | Iowa |
| 35 | Anna M. Falk | 15 | Daughter | — | Wisconsin |
| 36 | Ruby V. Falk | 13 | Daughter | — | Wisconsin |
| 37 | Florence L. Falk | 9 | Daughter | — | Wisconsin |
| 38 | Clara Falk | 7 | Daughter | — | Wisconsin |
| 39 | Fred E. Lund | 51 | Head | Farmer | Finland |
| 40 | Elsie M. Lund | 45 | Wife | — | Finland |
Related Census Records
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)