SJ
Sophia Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Otter-Tail-County, Minnesota
Our Model Tree links this Sophia Johnson across the 1920, 1930 and 1940 US Censuses in Otter-Tail-County, Minnesota (XGBoost, ~Confirmed) — first a spouse (b.~1899), then head of a 8-person household.
Age 41
b. ~1899
Female
Spouse
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Otter-Tail-County, Minnesota |
| Surname | Johnson |
| Given Name | Sophia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Otter Tail |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Woodside Township |
| Est. Birth Year | ~1899 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Sophia | Age | Birth yr |
|---|---|---|---|---|
| Donald Johnson | Son | — | 16 | ~1924 |
| Darlene Johnson | Daughter | — | 1 | ~1939 |
| Wallace Johnson | Son | — | 3 | ~1937 |
| William Johnson | Son | — | 10 | ~1930 |
| Lois Johnson | Daughter | — | 7 | ~1933 |
| Ray Johnson | Head | — | 42 | ~1898 |
| M Johnson | Daughter | — | 14 | ~1926 |
| Sophia Johnson | Spouse | — | 41 | ~1899 |
Census Appearances
1920
Otter Tail, …
Spouse, age 20
Otter Tail, Minnesota · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Sophie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read | No |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Otter Tail, …
Other, age 31
Otter Tail, Minnesota · implied b. ~1899 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Sophie |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 17 |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Otter-Tail-County, Minnesota
Spouse, age 41
Otter-Tail-County, Minnesota · implied b. ~1899 — 8 household members
| Surname | Johnson |
| Given Name | Sophia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Otter Tail |
| Highest Grade | No 7 |
| 1935 Residence | Minnesota |
| 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 Sophia Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Sophia Johnson
Spouse · 1940 · age 41 · b. ~1899 · Minnesota
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Otter-Tail-County, Minnesota
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1940 US Federal Census — Otter-Tail-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01946-00777)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary E. Hendrickson | 62 | Wife | — | Wisconsin |
| 42 | Aaron G. Warren | 32 | Son | Farm Laborer | Minnesota |
| 43 | Ervin E. Warren | 30 | Son | Farm Laborer | Minnesota |
| 44 | Elmer J. Warren | 27 | Son | Farm Laborer | Minnesota |
| 45 | Harry L. Warren | 23 | Son | Farm Laborer | Minnesota |
| 46 | Wade C. Bail | 32 | Head | Shoveler | Minnesota |
| 47 | Bessie A. Bail | 27 | Wife | — | Arkansas |
| 48 | B. Allan Bail | 5 | Son | — | Minnesota |
| 49 | Eugene Bail | 2 | Son | — | Minnesota |
| 50 | Ray W. Johnson | 42 | Head | Shoveler | North Carolina |
| 51 | Sophia Johnson THIS PERSON | 41 | Wife | — | Minnesota |
| 52 | Donald J. Johnson | 16 | Son | — | Minnesota |
| 53 | M. Lucille Johnson | 14 | Daughter | — | Minnesota |
| 54 | William R. Johnson | 10 | Son | — | Minnesota |
| 55 | Lois M. Johnson | 7 | Daughter | — | Minnesota |
| 56 | Wallace J. Johnson | 3 | Son | — | Minnesota |
| 57 | Darlene M. Johnson | 1 | Daughter | — | Minnesota |
| 58 | Walter A. Thompson | 25 | Head | Carpenter | Minnesota |
| 59 | Ingella M. Thompson | 21 | Wife | — | Minnesota |
| 60 | Lyle R. Thompson | 10 | Son | — | Minnesota |
| 61 | Lavern O. Thompson | 8 | Son | — | Minnesota |
| 62 | Neil P. Thompson | 7 | Son | — | Minnesota |
| 63 | Margie A. Thompson | 5 | Daughter | — | Minnesota |
| 64 | Neil C. Thompson | 68 | Head | — | Minnesota |
| 65 | Mary E. Thompson | 66 | Wife | — | Minnesota |
| 66 | Carl V. Bail | 36 | Head | Shoveler | Minnesota |
| 67 | Belvia Bail | 27 | Wife | — | Arkansas |
| 68 | Arvid J. Bail | 11 | Son | — | Iowa |
| 69 | Norman E. Bail | 6 | Son | — | Minnesota |
| 70 | Darol J. Bail | 2 | Son | — | Minnesota |
| 71 | Harold J. Huntington | 23 | Head | Farm Laborer | Minnesota |
| 72 | Violet R. Huntington | 21 | Wife | — | Minnesota |
| 73 | Truman L. Huntington | 52 | Head | Farm Laborer | Minnesota |
| 74 | Sarah J. Huntington | 54 | Wife | — | Canada English |
| 75 | Samuel L. Huntington | 19 | Son | Shoveler | Minnesota |
| 76 | J. Raymond Johnson | 21 | Head | Shoveler | Minnesota |
| 77 | Lila C. Johnson | 19 | Wife | — | North Dakota |
| 78 | Dale R. Johnson | 0 | Son | — | Minnesota |
| 79 | Nallo Watkins | 32 | Head | Tile Man | Minnesota |
| 80 | Louise Watkins | 32 | Wife | — | Minnesota |
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)