TJ
Theodore Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Douglas-County, Minnesota
Our Model Tree links this Theodore Johnson across the 1920, 1930 and 1940 US Censuses in Douglas-County, Minnesota (XGBoost, ~Confirmed), with identified parents Chas & Anna — first a head (b.~1905), then head of a 5-person household.
Age 35
b. ~1905
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Douglas-County, Minnesota |
| Surname | Johnson |
| Given Name | Theodore |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Ida Township |
| 1935 Residence (County) | Douglas |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 80 |
| Income (1939) | 452 |
| Highest Grade | No 9 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Farmer |
| Township / Ward | Ida Township |
| Est. Birth Year | ~1905 |
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 Theodore | Age | Birth yr |
|---|---|---|---|---|
| Agnes Johnson | Daughter | — | 1 | ~1939 |
| Nadia Johnson | Daughter | — | 4 | ~1936 |
| Audrine Johnson | Daughter | — | 6 | ~1934 |
| Theodore Johnson | Head | — | 35 | ~1905 |
| Josephine Johnson | Spouse | — | 31 | ~1909 |
Census Appearances
1920
Douglas, Minnesota
Son, age 14
Douglas, Minnesota · implied b. ~1906 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Theodore |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Swedish |
| Occupation | Yes |
| Can Read | Swedish |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Sweden |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Douglas, Minnesota
Son, age 25
Douglas, Minnesota · implied b. ~1905 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Theodore |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| 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
Douglas-County, Minnesota
Head, age 35
Douglas-County, Minnesota · implied b. ~1905 — 5 household members
| Surname | Johnson |
| Given Name | Theodore |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Ida Township |
| 1935 Residence (County) | Douglas |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 80 |
| Income (1939) | 452 |
| Highest Grade | No 9 |
| 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 Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Chas Johnson (~0.92 confidence) and mother Anna Johnson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Chas Johnson
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Anna Johnson
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Theodore Johnson
Head · 1940 · age 35 · b. ~1905 · 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 — Douglas-County, Minnesota
Open full size
1940 US Federal Census — Douglas-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01919-00722)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Delores Dahlquist | 15 | daughter | — | Minnesota |
| 2 | Ernest Olsen | 44 | Head | Farmer | Illinois |
| 3 | Marie Olsen | 38 | wife | — | Missouri |
| 4 | Ernest F Olsen | 14 | son | — | Minnesota |
| 5 | Lois M Olsen | 11 | daughter | — | Minnesota |
| 6 | Frank Schulke | 44 | Head | Farmer | Minnesota |
| 7 | Agnes Schulke | 38 | wife | — | Minnesota |
| 8 | Elvin Schulke | 14 | son | — | Minnesota |
| 9 | Marvin Russell | 50 | Head | Farmer | Minnesota |
| 10 | Edna Russell | 43 | wife | — | Minnesota |
| 11 | Kenneth Russell | 17 | son | — | Minnesota |
| 12 | Marcina Russell | 12 | daughter | — | Minnesota |
| 13 | Mary Peterson | 23 | lodger | School Teacher | Minnesota |
| 14 | Andrew Brozek | 42 | Head | Farmer | Minnesota |
| 15 | Rose Brozek | 31 | wife | — | Minnesota |
| 16 | Agatha Brozek | 17 | daughter | — | Minnesota |
| 17 | Jerome Brozek | 15 | son | — | Minnesota |
| 18 | Philip Brozek | 14 | son | Farm Laborer | Minnesota |
| 19 | Rita Brozek | 9 | daughter | — | Minnesota |
| 20 | Bernice Brozek | 5 | daughter | — | Minnesota |
| 21 | Florence Brozek | 2 | daughter | — | Minnesota |
| 22 | Sidney Angus | 56 | Head | Manager | Minnesota |
| 23 | Edith Angus | 49 | wife | — | Minnesota |
| 24 | Evelyn Angus | 13 | daughter | — | Minnesota |
| 25 | Charles Angus | 10 | son | — | Minnesota |
| 26 | Theodore Johnson THIS PERSON | 35 | Head | Farmer | Minnesota |
| 27 | Josephine Johnson | 31 | wife | — | Minnesota |
| 28 | Audrine Johnson | 6 | daughter | — | Minnesota |
| 29 | Nadia Johnson | 4 | daughter | — | Minnesota |
| 30 | Agnes Johnson | 1 | daughter | — | Minnesota |
| 31 | Gust Johnson | 42 | Head | Farmer | Minnesota |
| 32 | Amy Johnson | 35 | wife | — | Minnesota |
| 33 | Marion Johnson | 12 | daughter | — | Minnesota |
| 34 | Muriel Johnson | 9 | daughter | — | Minnesota |
| 35 | Ardis Johnson | 8 | daughter | — | Minnesota |
| 36 | Dwight Johnson | 5 | son | — | Minnesota |
| 37 | Allan Johnson | 2 | son | — | Minnesota |
| 38 | Sarah Johnson | 80 | mother-in-law | — | Sweden |
| 39 | Teckla Johnson | 46 | sister-in-law | — | Minnesota |
| 40 | Alvin Angus | 38 | Head | Farmer | Minnesota |
Pedigree Summary
Theodore
Gen 1 · 2 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)