AO
Anna Olson — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Louis-County, Minnesota
Our Model Tree links this Anna Olson across the 1920, 1930 and 1940 US Censuses in St.-Louis-County, Minnesota (XGBoost, ~Confirmed), with identified parents Nels & M — first a spouse (b.~1913), then head of a 5-person household.
Age 27
b. ~1913
Female
Spouse
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-County, Minnesota |
| Surname | Olson |
| Given Name | Anna |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | CITY OF Duluth |
| 1935 Residence (County) | ST. LOUIS |
| Additional Details | |
| Occupation | H |
| Class of Worker | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same Place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | H |
| Township / Ward | City Of Duluth |
| Est. Birth Year | ~1913 |
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 Anna | Age | Birth yr |
|---|---|---|---|---|
| Barbara Olson | Daughter | — | ~1940 | |
| Oscar Olson | Head | — | 37 | ~1903 |
| Richard Olson | Son | — | 9 | ~1931 |
| William Olson | Son | — | 5 | ~1935 |
| Anna Olson | Spouse | — | 27 | ~1913 |
Census Appearances
1920
St Louis, …
Daughter, age 4
St Louis, Minnesota · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Anna |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
St Louis, …
Daughter, age 15
St Louis, Minnesota · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Anna |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
St.-Louis-County, Minnesota
Spouse, age 27
St.-Louis-County, Minnesota · implied b. ~1913 — 5 household members
| Surname | Olson |
| Given Name | Anna |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | CITY OF Duluth |
| 1935 Residence (County) | ST. LOUIS |
| Occupation | H |
| Class of Worker | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same Place |
| 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 Anna Olson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Nels Olson (~0.92 confidence) and father M Olson (~0.92 confidence) and mother Thulife Olson (~0.92 confidence) and mother Hulda Olson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Nels Olson
b. ~1881
Source father
● Household
· direct · ~0.92
Father
M Olson
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Thulife Olson
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Hulda Olson
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Anna Olson
Spouse · 1940 · age 27 · b. ~1913 · Minnesota
★ 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 — St.-Louis-County, Minnesota
Open full size
1940 US Federal Census — St.-Louis-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01974-00595)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | June Vangen | 14 | Daughter | S | Minnesota |
| 42 | Kathleen Vangen | 5 | Daughter | — | Minnesota |
| 43 | Carl W. Stone | 30 | Head | Electric Welder | Sweden |
| 44 | Lettie Stone | 23 | Wife | H | Minnesota |
| 45 | William Stone | 5 | Son | — | Minnesota |
| 46 | William C. Oettel | 55 | Head | Carpenter | Wisconsin |
| 47 | Lettie Oettel | 53 | Wife | H | Michigan |
| 48 | Elwood J. Oettel | 24 | Son | Helper Boilermaker | Minnesota |
| 49 | Peter J. Chapik | 54 | Head | Proprietor | Poland |
| 50 | Joan Chapik | 25 | Daughter | H | Minnesota |
| 51 | Carl Chapik | 23 | Son | Laborer | Minnesota |
| 52 | Leonard Chapik | 21 | Son | Helper Plumber | Minnesota |
| 53 | Gurda E. Johnson | 59 | Head | H | Sweden |
| 54 | Carl L. Johnson | 36 | Son | Laborer | Sweden |
| 55 | Jean Johnson | 13 | Daughter | — | Minnesota |
| 56 | Oscar T. Olson | 37 | Head | Truck Driver | North Dakota |
| 57 | Anna Olson THIS PERSON | 27 | Wife | H | Minnesota |
| 58 | Richard Olson | 9 | Son | — | Minnesota |
| 59 | William Olson | 5 | Son | — | Minnesota |
| 60 | Barbara Olson | 0 | Daughter | — | Minnesota |
| 61 | Olerine Evanson | 66 | Head | H | Norway |
| 62 | Margaret Evanson | 31 | Daughter | Stenographer | Oregon |
| 63 | Mildred Evanson | 27 | Daughter | Stenographer | Minnesota |
| 64 | Antone B. Anderson | 49 | Head | Embalmer | Wisconsin |
| 65 | Caroline Anderson | 50 | Wife | H | Wisconsin |
| 66 | Robert D. Anderson | 10 | Son | — | Minnesota |
| 67 | Martha T. Rigterink | 24 | Daughter | H | Wisconsin |
| 68 | Hillis J. Rigterink | 0 | Grandson | — | Minnesota |
| 69 | Henning W. Anderson | 33 | Head | Draftsman Engineer | Minnesota |
| 70 | Elsie Anderson | 27 | Wife | H | Minnesota |
| 71 | Ole A. Finseth | 49 | Head | Credit Manager | Minnesota |
| 72 | Anna Finseth | 45 | Wife | H | Minnesota |
| 73 | Lloyd Finseth | 23 | Son | Crane Operator | Minnesota |
| 74 | Oliver Finseth | 20 | Son | S | Minnesota |
| 75 | Carol Finseth | 16 | Daughter | S | Minnesota |
| 76 | Donna Finseth | 13 | Daughter | — | Minnesota |
| 77 | Ivan Finseth | 9 | Daughter | — | Minnesota |
| 78 | Here Ends | 8 | Block 6 | — | — |
| 79 | Ambrose Szastalow | 74 | Head | U | Poland |
| 80 | Rose Szastalow | 67 | Wife | H | Poland |
Pedigree Summary
Anna
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)