OA
Otto Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Louis-County, Minnesota
Our Model Tree links this Otto Anderson across the 1910, 1920, 1930 and 1940 US Censuses in St.-Louis-County, Minnesota (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1908), then head of a 2-person household.
Age 32
b. ~1908
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-County, Minnesota |
| Surname | Anderson |
| Given Name | Otto |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Solway Twp. |
| 1935 Residence (County) | St. Louis |
| Additional Details | |
| Occupation | Dairy farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 70 |
| Income (1939) | 15 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Dairy Farmer |
| Township / Ward | Solway Twp |
| Est. Birth Year | ~1908 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Otto | Age | Birth yr |
|---|---|---|---|---|
| Martha Anderson | Head | — | 59 | ~1881 |
| Otto Anderson | Son | — | 32 | ~1908 |
Census Appearances
1910
St Louis, …
Son, age 3
St Louis, Minnesota · implied b. ~1907 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Otto |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
St Louis, …
Son, age 12
St Louis, Minnesota · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Otto |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
St Louis, …
Son, age 22
St Louis, Minnesota · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Otto |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Laborer |
| Industry | Odd Jobs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
St.-Louis-County, Minnesota
Son, age 32
St.-Louis-County, Minnesota · implied b. ~1908 — 2 household members
| Surname | Anderson |
| Given Name | Otto |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Solway Twp. |
| 1935 Residence (County) | St. Louis |
| Occupation | Dairy farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 70 |
| Income (1939) | 15 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 Otto Anderson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Anderson (~0.92 confidence) and father John Anderson (~0.92 confidence) and father John Anderson (~0.92 confidence) and mother Annie Anderson (~0.92 confidence) and mother Martha Anderson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Anderson
b. ~1871
Source father
● Household
· direct · ~0.92
Father
John Anderson
b. ~1878
Source father
● Household
· direct · ~0.92
Father
John Anderson
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Annie Anderson
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Martha Anderson
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Otto Anderson
Son · 1940 · age 32 · b. ~1908 · 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-t0627-01957-00225)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Carol Larson | 2 | Grand-daughter | — | Minnesota |
| 42 | John F. Daus | 73 | Head | Dairy Farmer | Illinois |
| 43 | Julia E. Daus | 52 | Wife | — | Minnesota |
| 44 | Fred Daus | 25 | Son | Dairy Farmer | Minnesota |
| 45 | Ida Daus | 17 | Daughter | — | Minnesota |
| 46 | John Jr. Daus | 14 | Son | — | Minnesota |
| 47 | Paul Daus | 12 | Son | — | Minnesota |
| 48 | Rodney A. Olson | 48 | Head | Supervisor | Minnesota |
| 49 | Johanna Olson | 75 | Mother | — | Norway |
| 50 | Andrew Ahlgren | 23 | Head | Superintendent Of Roads | Wisconsin |
| 51 | Mary Ahlgren | 51 | Wife | — | Wisconsin |
| 52 | August Koreski | 52 | Head | Dairy Farmer | Germany |
| 53 | Michalina Koreski | 51 | Wife | — | Poland |
| 54 | August Jr. Koreski | 26 | Son | Plasterer | Minnesota |
| 55 | Joseph Koreski | 18 | Son | Helper | Minnesota |
| 56 | Edward Koreski | 16 | Son | — | Minnesota |
| 57 | Eva Koreski | 14 | Daughter | — | Minnesota |
| 58 | Joe Benkoski | 60 | Head | Dairy Farmer | Poland |
| 59 | Anna Benkoski | 60 | Wife | — | Poland |
| 60 | Frank Benkoski | 38 | Son | Serviceman | Minnesota |
| 61 | Stanley Ahlgren | 29 | Head | Dairy Farmer | Minnesota |
| 62 | Frieda Ahlgren | 28 | Wife | Dairy Farmer | Minnesota |
| 63 | Raymond Ahlgren | 7 | Son | — | Minnesota |
| 64 | Floyd Ahlgren | 5 | Son | — | Minnesota |
| 65 | Maynard Ahlgren | 2 | Son | — | Minnesota |
| 66 | Theodore Tuper | 31 | Head | Dairy Farmer | Minnesota |
| 67 | Tilda Tuper | 55 | Mother | — | Minnesota |
| 68 | Margaret Tuper | 14 | Sister | — | Minnesota |
| 69 | William Beck | 46 | Head | — | Minnesota |
| 70 | Mabel M. Beck | 56 | Wife | — | Wisconsin |
| 71 | Martha Anderson | 59 | Head | — | Norway |
| 72 | Otto Anderson THIS PERSON | 32 | Son | Dairy Farmer | Minnesota |
| 73 | Mike Kondryk | 48 | Head | Dairy Farmer | Poland |
| 74 | Bertha Kondryk | 43 | Wife | Dairy Farmer | Poland |
| 75 | Cecilia Kondryk | 19 | Daughter | — | Minnesota |
| 76 | Mike Jr. Kondryk | 18 | Son | Helper | Minnesota |
| 77 | Lorraine Kondryk | 11 | Daughter | — | Minnesota |
| 78 | Lawrence Kondryk | 9 | Son | — | Minnesota |
| 79 | Frank Kondryk | 8 | Son | — | Minnesota |
| 80 | Marilyn Kondryk | 3 | Daughter | — | Minnesota |
Related Census Records
Pedigree Summary
Otto
Gen 1 · 5 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)