WO
William Olson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lucas-County, Ohio
Our Model Tree links this William Olson across the 1920, 1930 and 1940 US Censuses in Lucas-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1869), then head of a 4-person household.
Age 71
b. ~1869
Male
Head
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lucas-County, Ohio |
| Surname | Olson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 71 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Toledo City |
| 1935 Residence (County) | Lucas |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Township / Ward | Toledo City |
| Est. Birth Year | ~1869 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| George Olson | Son | — | 21 | ~1919 |
| William Olson | Son | — | 35 | ~1905 |
| William Olson | Head | — | 71 | ~1869 |
| Anna Olson | Spouse | — | 64 | ~1876 |
Census Appearances
1920
Lucas, Ohio
Head, age 51
Lucas, Ohio · implied b. ~1869 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1889 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Metal worker |
| Industry | auto factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | R |
| Birth Country | Sweden |
| Year of Naturalization | 1895 |
| Birthplace (normalized) | sweden |
1930
Lucas, Ohio
Head, age 57
Lucas, Ohio · implied b. ~1873 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1890 |
| Age at First Marriage | 32 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Repair Man |
| Industry | Auto Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | O |
| Home Value / Rent | 3000 |
| Radio Set | R |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Lucas-County, Ohio
Head, age 71
Lucas-County, Ohio · implied b. ~1869 — 4 household members
| Surname | Olson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 71 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Toledo City |
| 1935 Residence (County) | Lucas |
| Naturalization Status | Naturalized |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
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 (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Olson
Head · 1940 · age 71 · b. ~1869 · Ohio
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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 — Lucas-County, Ohio
Open full size
1940 US Federal Census — Lucas-County, Ohio
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03266-01006)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joanne M. Phelps | 7 | Daughter | — | Ohio |
| 2 | Grace E. Phelps | 22 | Mother-in-law | Stenographer | Indiana |
| 3 | Robert H. Wall | 45 | Head | Pharmacist | Ohio |
| 4 | Olie B. Wall | 40 | Wife | — | Ohio |
| 5 | Richard L. Wall | 15 | Son | — | Ohio |
| 6 | Cyrus L. Newell | 46 | Head | Time Study | Kentucky |
| 7 | Elva B. Newell | 46 | Wife | — | Ohio |
| 8 | Evelyn M. Newell | 18 | Daughter | New Worker | Ohio |
| 9 | William O. Newell | 9 | Son | — | Ohio |
| 10 | Lavon F. Mason | 25 | Daughter | Clerk - Retail | Ohio |
| 11 | Ronald N. Mason | 6 | Grandson | — | Ohio |
| 12 | Arthur D. Moorhead | 41 | Head | Assemblyman | Ohio |
| 13 | Edith Moorhead | 38 | Wife | — | Ohio |
| 14 | Wilfrid J. La Jeunesse | 34 | Head | Die Maker | Canada |
| 15 | Ruth A. La Jeunesse | 29 | Wife | — | Ohio |
| 16 | Rita M. La Jeunesse | 7 | Daughter | — | Ohio |
| 17 | Richard J. La Jeunesse | 0 | Son | — | Ohio |
| 18 | Ann M. Seger | 16 | Sister-in-law | — | Ohio |
| 19 | Helen A. Seger | 25 | Sister-in-law | — | Ohio |
| 20 | William Olson THIS PERSON | 71 | Head | — | Sweden |
| 21 | Anna Olson | 64 | Wife | — | Ohio |
| 22 | William Olson | 35 | Son | Gear Cutter | Ohio |
| 23 | George W. Olson | 21 | Son | New Worker | Ohio |
| 24 | Robert W. Sowers | 48 | Head | Service Repair | Ohio |
| 25 | Carrie S. Sowers | 44 | Wife | — | Ohio |
| 26 | Robert R. Sowers | 21 | Son | Retail Clerk | Illinois |
| 27 | Eugene D. Sowers | 17 | Son | — | Illinois |
| 28 | Henry Lau | 32 | Head | Millwright | Germany |
| 29 | Elizabeth M. Lau | 39 | Wife | — | Germany |
| 30 | Clifton D. Smith | 33 | Head | Repairman General | Ohio |
| 31 | June D. Smith | 24 | Wife | — | Ohio |
| 32 | Bruce M. Kusendorf | 23 | Brother-in-law | Gas Station Attendant | Ohio |
| 33 | Howard Liberson | 44 | Head | Bus Driver | Ohio |
| 34 | Bernice H. Liberson | 30 | Wife | Tester | Ohio |
| 35 | Howard L. Liberson | 3 | Son | — | Ohio |
| 36 | Ernest J. Tremblay | 38 | Head | Department Head | Ohio |
| 37 | Gladys L. Tremblay | 37 | Wife | — | Ohio |
| 38 | Raymond A. Colton | 31 | Head | Retail Salesman | Ohio |
| 39 | Clara V. Colton | 28 | Wife | — | Michigan |
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)