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Annie Olson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Butte-County, South Dakota
Our Model Tree links this Annie Olson across the 1930 and 1940 US Censuses in Butte-County, South Dakota (XGBoost, ~Confirmed) — first a spouse (b.~1898), then head of a 7-person household.
Age 42
b. ~1898
Female
Spouse
Born: South Dakota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Butte-County, South Dakota |
| Surname | Olson |
| Given Name | Annie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (County) | Butte |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Township / Ward | Township 8 Range 2 |
| Est. Birth Year | ~1898 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Annie | Age | Birth yr |
|---|---|---|---|---|
| Annie Olson | Spouse | — | 42 | ~1898 |
| William Olson | Son | — | 16 | ~1924 |
| Alice Olson | Daughter | — | 7 | ~1933 |
| Theodore Olson | Son | — | 11 | ~1929 |
| Donald Olson | Son | — | 9 | ~1931 |
| Richard Olson | Son | — | 14 | ~1926 |
| William Olson | Head | — | 41 | ~1899 |
Census Appearances
1930
Butte, South …
Other, age 33
Butte, South Dakota · implied b. ~1897 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Anna |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | South Dakota |
| Age at First Marriage | 26 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1940
Butte-County, South …
Spouse, age 42
Butte-County, South Dakota · implied b. ~1898 — 7 household members
| Surname | Olson |
| Given Name | Annie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (County) | Butte |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| 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 Annie Olson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Annie Olson
Spouse · 1940 · age 42 · b. ~1898 · South Dakota
★ 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 — Butte-County, South Dakota
Open full size
1940 US Federal Census — Butte-County, South Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03850-00229)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clarence Heitz | 4 | Son | — | South Dakota |
| 42 | Adeline Heitz | 1 | Daughter | — | South Dakota |
| 43 | Donald Gorewell | 19 | Hired Hand | 60 | Montana |
| 44 | Donald D. Cooley | 32 | Head | 8 | Iowa |
| 45 | Elizabeth Cooley | 28 | Wife | — | South Dakota |
| 46 | Dixon Cooley | 1 | Son | — | South Dakota |
| 47 | H. R. Mitchell | 49 | Head | 84 | South Dakota |
| 48 | Vera M. Mitchell | 46 | Wife | — | South Dakota |
| 49 | Harry M. Mitchell | 24 | Son | 84 | South Dakota |
| 50 | Arthur E. Bach | 52 | Head | 84 | Iowa |
| 51 | Millie Belle Bach | 53 | Wife | — | Iowa |
| 52 | Arthur R. Bach | 25 | Son | 72 | South Dakota |
| 53 | Ernest E. Bach | 23 | Son | — | South Dakota |
| 54 | Ward Le Sueur | 38 | Head | 80 | South Dakota |
| 55 | Blanche Le Sueur | 42 | Wife | — | Iowa |
| 56 | Virginia Le Sueur | 15 | Daughter | — | South Dakota |
| 57 | Indy S. Clark | 70 | Head | — | Missouri |
| 58 | Antoine Rail | 50 | Head | Farm Manager | Canada |
| 59 | Lydia Rail | 50 | Wife | — | Missouri |
| 60 | Fred Rail | 23 | Son | 80 | South Dakota |
| 61 | Maurice King | 36 | Head | 84 | Iowa |
| 62 | Bernice King | 30 | Wife | — | Iowa |
| 63 | William E. King | 9 | Son | — | Iowa |
| 64 | Elizabeth King | 6 | Daughter | — | Iowa |
| 65 | William Olson | 41 | Head | 72 | Minnesota |
| 66 | Annie Olson THIS PERSON | 42 | Wife | — | South Dakota |
| 67 | William Olson | 16 | Son | 60 | South Dakota |
| 68 | Richard Olson | 14 | Son | 60 | South Dakota |
| 69 | Theodore Olson | 11 | Son | — | South Dakota |
| 70 | Donald Olson | 9 | Son | — | South Dakota |
| 71 | Alice Olson | 7 | Daughter | — | South Dakota |
| 72 | Chester Lash | 31 | Head | 60 | Iowa |
| 73 | Alta Lash | 26 | Wife | — | South Dakota |
| 74 | Lavonne Lash | 8 | Daughter | — | South Dakota |
| 75 | Dale Lash | 3 | Son | — | South Dakota |
| 76 | Edward Blender | 43 | Head | — | South Dakota |
| 77 | Alberta Blender | 41 | Wife | 40 | South Dakota |
| 78 | Jean Blender | 13 | Daughter | — | Montana |
| 79 | Chan R. Burnside | 38 | Head | 44 | South Dakota |
| 80 | Gula Burnside | 39 | Wife | 48 | Colorado |
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)