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Theodore Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lyon-County, Minnesota
Our Model Tree links this Theodore Anderson across the 1920, 1930 and 1940 US Censuses in Lyon-County, Minnesota (XGBoost, ~Confirmed), with identified parents Olaf & Oleb — first a head (b.~1907), then head of a 4-person household.
Age 33
b. ~1907
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lyon-County, Minnesota |
| Surname | Anderson |
| Given Name | Theodore |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Tracy City |
| 1935 Residence (County) | Lyon |
| Additional Details | |
| Occupation | Truck driver |
| Industry | Produce House |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 1200 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Truck Driver |
| Township / Ward | Tracy City |
| Est. Birth Year | ~1907 |
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 Theodore | Age | Birth yr |
|---|---|---|---|---|
| Douglas Anderson | Son | — | 2 | ~1938 |
| Theodore Anderson | Head | — | 33 | ~1907 |
| Theodore Anderson | Son | — | 8 | ~1932 |
| Emma Anderson | Spouse | — | 28 | ~1912 |
Census Appearances
1920
Lyon, Minnesota
Son, age 14
Lyon, Minnesota · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Theodore |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Lyon, Minnesota
Son, age 24
Lyon, Minnesota · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Theodore A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | Laborer |
| Industry | farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Lyon-County, Minnesota
Head, age 33
Lyon-County, Minnesota · implied b. ~1907 — 4 household members
| Surname | Anderson |
| Given Name | Theodore |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Tracy City |
| 1935 Residence (County) | Lyon |
| Occupation | Truck driver |
| Industry | Produce House |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 1200 |
| Highest Grade | Hs 3 |
| 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 Theodore Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Olaf Anderson (~0.92 confidence) and father Oleb Anderson (~0.92 confidence) and mother Ida Anderson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Olaf Anderson
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Oleb Anderson
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Ida Anderson
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Theodore Anderson
Head · 1940 · age 33 · b. ~1907 · 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 — Lyon-County, Minnesota
Open full size
1940 US Federal Census — Lyon-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01934-00598)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edward Deboo | 65 | Lodger | — | Belgium |
| 42 | Allyn Day | 30 | Head | Pipeman | Minnesota |
| 43 | Maxine Day | 29 | Wife | 0 | Colorado |
| 44 | Fred Day | 3 | Son | — | Minnesota |
| 45 | Carl Kragtorp | 67 | Head | Brakeman | Norway |
| 46 | Minnie Kragtorp | 60 | Wife | 0 | Minnesota |
| 47 | Bernt Kragtorp | 43 | Son | Salesman | Minnesota |
| 48 | Gunda Kragtorp | 38 | Daughter | Operator | Minnesota |
| 49 | John Steinberg | 39 | Head | Proprietor | Minnesota |
| 50 | Margaret Steinberg | 40 | Wife | 0 | Minnesota |
| 51 | Le Roy Steinberg | 16 | Son | 0 | Minnesota |
| 52 | Ruth Steinberg | 11 | Daughter | — | Minnesota |
| 53 | Betty Ann Steinberg | 3 | Daughter | — | Minnesota |
| 54 | Walter Wichman | 43 | Head | Pumper | Minnesota |
| 55 | Esther Wichman | 38 | Wife | 0 | Minnesota |
| 56 | Henry Wallschlager | 78 | Head | 0 | Germany |
| 57 | Matilda Wallschlager | 67 | Wife | 0 | Germany |
| 58 | Leon G. Noy | 40 | Head | Dentist | Minnesota |
| 59 | Clara Noy | 40 | Wife | 0 | Minnesota |
| 60 | Leon Jr. Noy | 10 | Son | 0 | Minnesota |
| 61 | Lois Noy | 4 | Daughter | — | Minnesota |
| 62 | Leora Noy | 0 | Daughter | — | Minnesota |
| 63 | John Thompson | 54 | Head | 0 | Minnesota |
| 64 | Lucille Thompson | 20 | Daughter | Saleswoman | Minnesota |
| 65 | Wendell Vahle | 76 | Head | 0 | Minnesota |
| 66 | Amelia Vahle | 76 | Wife | 0 | Pennsylvania |
| 67 | Guy Salzman | 57 | Head | Locomotive Engineer | Wisconsin |
| 68 | Martha Salzman | 48 | Wife | 0 | Wisconsin |
| 69 | Theodora Salzman | 20 | Daughter | 0 | Minnesota |
| 70 | Ellen Morgan | 46 | Head | 0 | Illinois |
| 71 | Kenneth Morgan | 19 | Son | Bookkeeper | Wisconsin |
| 72 | Roland Morgan | 17 | Son | 0 | Minnesota |
| 73 | Olando Grinde | 29 | Head | Attendant | Minnesota |
| 74 | Joyce Grinde | 25 | Wife | 0 | Minnesota |
| 75 | Constance Grinde | 1 | Daughter | — | Minnesota |
| 76 | Theodore Anderson THIS PERSON | 33 | Head | Truck Driver | Minnesota |
| 77 | Emma Anderson | 28 | Wife | 0 | Minnesota |
| 78 | Theodore Jr. Anderson | 8 | Son | — | Minnesota |
| 79 | Douglas Anderson | 2 | Son | — | Minnesota |
| 80 | Albert Starr | 55 | Head | Car Repairer | Iowa |
Pedigree Summary
Theodore
Gen 1 · 3 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)