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Alice Olson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Rock-Island-County, Illinois
Our Model Tree links this Alice Olson across the 1920, 1930 and 1940 US Censuses in Rock-Island-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1881), then head of a 5-person household.
Age 59
b. ~1881
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-Island-County, Illinois |
| Surname | Olson |
| Given Name | Alice S. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Moline City |
| 1935 Residence (County) | Rock Island |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Moline City |
| Est. Birth Year | ~1881 |
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 1940 census.
| Name | Relation to head | Relative to Alice | Age | Birth yr |
|---|---|---|---|---|
| Margrit Olson | Daughter | — | 33 | ~1907 |
| John Olson | Son | — | 28 | ~1912 |
| J Olson | Head | — | 64 | ~1876 |
| Robert Olson | Son | — | 15 | ~1925 |
| Alice Olson | Spouse | — | 59 | ~1881 |
Census Appearances
1920
Rock Island, …
Spouse, age 38
Rock Island, Illinois · implied b. ~1882 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Alice |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Rock Island, …
Other, age 47
Rock Island, Illinois · implied b. ~1883 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Alice |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 24 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Rock-Island-County, Illinois
Spouse, age 59
Rock-Island-County, Illinois · implied b. ~1881 — 5 household members
| Surname | Olson |
| Given Name | Alice S. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Moline City |
| 1935 Residence (County) | Rock Island |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Alice 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
Alice Olson
Spouse · 1940 · age 59 · b. ~1881 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Rock-Island-County, Illinois
Open full size
1940 US Federal Census — Rock-Island-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00875-00705)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | J. Emil Olson | 64 | Head | Sheet Metal Worker | Sweden |
| 2 | Alice S. Olson THIS PERSON | 59 | Wife | — | Illinois |
| 3 | Margrit Olson | 33 | Daughter | Office Manager | Illinois |
| 4 | John Howard Olson | 28 | Son | Assistant Cashier | Illinois |
| 5 | Robert S. Olson | 15 | Son | — | Illinois |
| 6 | Walter Helstrom | 21 | Head | Welder | Illinois |
| 7 | Margrit A. Helstrom | 23 | Wife | — | Iowa |
| 8 | Shirley A. Helstrom | 2 | Daughter | — | Illinois |
| 9 | Theresa S. Finpock | 49 | Head | Carpenter | Iowa |
| 10 | Ethel D. Finpock | 45 | Wife | — | Iowa |
| 11 | John Finpock | 18 | Son | Mailing Clerk | Illinois |
| 12 | Florence Finpock | 72 | Mother | — | Illinois |
| 13 | Cecil Ruth Stamm | 49 | Head | Traveling Salesman | Illinois |
| 14 | Cecil Ruth Stamm | 32 | Daughter | Beauty Operator | Illinois |
| 15 | Jo Ann C. Stamm | 10 | Daughter | — | Wisconsin |
| 16 | William J. Covemaker | 46 | Head | Carpenter | Illinois |
| 17 | Rose S. Covemaker | 42 | Wife | — | Iowa |
| 18 | Robert Covemaker | 16 | Son | — | Illinois |
| 19 | Richard S. Anderberg | 27 | Head | Welder | Illinois |
| 20 | Beatrice Anderberg | 26 | Wife | Saleslady | Illinois |
| 21 | Harvey Glass | 32 | Head | Delivery Man | Illinois |
| 22 | Dorothy Glass | 31 | Wife | — | Illinois |
| 23 | Duane Glass | 4 | Son | — | Illinois |
| 24 | Pearl Duncan | 34 | Head | Assembly Work | Iowa |
| 25 | Louise D. Duncan | 27 | Wife | — | Iowa |
| 26 | Marvin Duncan | 3 | Son | — | Iowa |
| 27 | Isadore S. Reynolds | 66 | Head | — | Illinois |
| 28 | Anna Reynolds | 49 | Wife | — | Nebraska |
| 29 | Carl Reynolds | 22 | Son | Laborer | Illinois |
| 30 | Ruth Reynolds | 13 | Daughter | — | Illinois |
| 31 | Richie Reynolds | 11 | Son | — | Illinois |
| 32 | Virgil Smith | 37 | Head | Manager & Pharmacist | Illinois |
| 33 | Bernice S. Smith | 35 | Wife | — | Illinois |
| 34 | Howard Peterson | 27 | Head | Carpenter | Illinois |
| 35 | Frances S. Peterson | 23 | Wife | Office Clerk | Illinois |
| 36 | Fred Boettcher | 45 | Head | Blacksmith | Germany |
| 37 | Frederika S. Boettcher | 40 | Wife | Laundress | Germany |
| 38 | Paul Boettcher | 20 | Son | — | Germany |
| 39 | Hannelore Boettcher | 13 | Daughter | — | Germany |
| 40 | Fos Sentiel Velle | 34 | Head | Sheet Metal Worker | Belgium |
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)