TJ
Theodore Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Douglas, Minnesota
Our Model Tree links this Theodore Johnson across the 1910, 1920 and 1930 US Censuses in Douglas, Minnesota (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1908), then head of a 5-person household.
Age 22
b. ~1908
Male
Son
Born: Minnesota
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Douglas, Minnesota |
| Surname | Johnson |
| Given Name | Theodore A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Minnesota |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Laborer |
| Township / Ward | Ida Township |
| 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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Theodore | Age | Birth yr |
|---|---|---|---|---|
| Florence Johnson | Daughter | — | 12 | ~1918 |
| John Johnson | Head | — | 69 | ~1861 |
| Hilda Johnson | Other | — | 61 | ~1869 |
| Theodore Johnson | Son | — | 22 | ~1908 |
| Melvin Johnson | Son | — | 19 | ~1911 |
Census Appearances
1910
Otter Tail, …
Son, age 2
Otter Tail, Minnesota · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Theodore |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
Douglas, Minnesota
Son, age 12
Douglas, Minnesota · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Theodore |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Minnesota |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Douglas, Minnesota
Son, age 22
Douglas, Minnesota · implied b. ~1908 — 5 household members
| Surname | Johnson |
| Given Name | Theodore A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Norway |
| 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 |
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 (1910, 1920 and 1930) in 2 locations, using XGBoost record linkage. Identified parents: father John Johnson (~0.92 confidence) and father John Johnson (~0.92 confidence) and father John Johnson (~0.92 confidence) and mother Annie Johnson (~0.92 confidence) and mother Tilly Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Johnson
b. ~1861
Source father
● Household
· direct · ~0.92
Father
John Johnson
b. ~1861
Source father
● Household
· direct · ~0.92
Father
John Johnson
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Annie Johnson
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Tilly Johnson
b. ~1869
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Theodore Johnson
Son · 1930 · age 22 · b. ~1908 · Minnesota
★ You are viewing this record
Sibling
Melvin Johnson
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Johnson
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Douglas, Minnesota
Open full size
1930 US Federal Census — Douglas, Minnesota
Page Contents
50 people indexed on this census page (ia:1930:minnesotacensus00reel1085:0975)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Edith A Angus | 39 | Wife-H | — | Minnesota |
| 52 | Evelyn Angus | 3 | Daughter | — | Minnesota |
| 53 | Charles D Angus | 0 | Son | — | Minnesota |
| 54 | John L Johnson | 69 | Head | Farmer | Norway |
| 55 | Hilda Johnson | 61 | Wife-H | — | Norway |
| 56 | Theodore A Johnson THIS PERSON | 22 | Son | Laborer | Minnesota |
| 57 | Melvin E Johnson | 19 | Son | Laborer | Minnesota |
| 58 | Florence G Johnson | 12 | Daughter | — | Minnesota |
| 59 | Albert Toft | 40 | Head | Farmer | Minnesota |
| 60 | Ida Toft | 40 | Wife-H | — | Minnesota |
| 61 | Ralph V Toft | 18 | Son | Laborer | Washington |
| 62 | A Kenneth Toft | 16 | Son | — | Washington |
| 63 | Marcella V Toft | 10 | Daughter | — | Minnesota |
| 64 | Leona J Toft | 5 | Daughter | — | Minnesota |
| 65 | Ben C Hermanson | 32 | Head | Farmer | Minnesota |
| 66 | Myrtle Hermanson | 24 | Wife-H | — | Minnesota |
| 67 | Howard E Hermanson | 1 | Son | — | Minnesota |
| 68 | William Hermanson | 72 | Father | — | Sweden |
| 69 | Emil Hermanson | 75 | Head | Farmer | Sweden |
| 70 | Stina Hermanson | 68 | Wife-H | — | Sweden |
| 71 | Aasta Erickson | 65 | Head-H | — | Norway |
| 72 | Ludvig H Erickson | 24 | Son | Farmer | Minnesota |
| 73 | Halvor Erickson | 24 | Son | Laborer | Minnesota |
| 74 | Carl Erickson | 20 | Son | — | Minnesota |
| 75 | Victor Melin | 56 | Head | Farmer | Michigan |
| 76 | Augusta M Melin | 56 | Wife-H | — | Sweden |
| 77 | Lillian R Melin | 18 | Daughter | — | Minnesota |
| 78 | Margaret S Melin | 16 | Daughter | — | Minnesota |
| 79 | Fred G Melin | 14 | Son | — | Minnesota |
| 80 | Edward Kelly | 58 | Head | Farmer | Minnesota |
| 81 | Katherine L Kelly | 52 | Wife-H | — | Minnesota |
| 82 | Edward T Kelly | 24 | Son | Laborer | Minnesota |
| 83 | Raymond R Kelly | 20 | Son | Laborer | Minnesota |
| 84 | Mary A Kelly | 19 | Daughter | — | Minnesota |
| 85 | Francis J Kelly | 16 | Son | — | Minnesota |
| 86 | Leo Kelly | 12 | Son | — | Minnesota |
| 87 | Joseph Kelly | 11 | Son | — | Minnesota |
| 88 | Florence K Kelly | 8 | Daughter | — | Minnesota |
| 89 | Ludvig Anderson | 59 | Head | Farmer | Sweden |
| 90 | Minna Anderson | 57 | Wife-H | — | Sweden |
| 91 | Conrad L Anderson | 28 | Son | Laborer | Minnesota |
| 92 | Edwin Anderson | 17 | Son | Laborer | Minnesota |
| 93 | Rachel Anderson | 14 | Daughter | — | Minnesota |
| 94 | Annie Anderson | 10 | Daughter | — | Minnesota |
| 95 | Paul Anderson | 8 | Son | — | Minnesota |
| 96 | Charles P Anderson | 67 | Head | Farmer | Sweden |
| 97 | Axel W Anderson | 43 | Son | Carpenter | Minnesota |
| 98 | Alice C Anderson | 33 | Daughter-H | — | Minnesota |
| 99 | Hilding Mogren | 28 | Servant | Laborer | Sweden |
| 100 | Charles J Johnson | 59 | Head | Farmer | Sweden |
Pedigree Summary
Theodore + 2 siblings
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 1930 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)