KJ
Katherine Johnson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Kandiyohi, Minnesota
Our Model Tree links this Katherine Johnson across the 1910, 1920 and 1930 US Censuses in Kandiyohi, Minnesota (XGBoost, ~Confirmed) — first a spouse (b.~1871), then head of a 4-person household.
Age 49
b. ~1871
Female
Spouse
Born: Denmark
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Kandiyohi, Minnesota |
| Surname | Johnson |
| Given Name | Katherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Denmark |
| Naturalization Status | Naturalized |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Danish |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
| Township / Ward | Willmar City |
| Est. Birth Year | ~1871 |
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 1920 census.
| Name | Relation to head | Relative to Katherine | Age | Birth yr |
|---|---|---|---|---|
| Mildred Johnson | Daughter | — | 15 | ~1905 |
| John Johnson | Son | — | 20 | ~1900 |
| Katherine Johnson | Spouse | — | 49 | ~1871 |
| Alfred Johnson | Head | — | 50 | ~1870 |
Census Appearances
1910
Kandiyohi, Minnesota
Spouse, age 39
Kandiyohi, Minnesota · implied b. ~1871 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Katherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Denmark |
| Years Married | 19 |
| Children Born | 5 |
| Children Living | 5 |
| Year of Immigration | 1880 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
1920
Kandiyohi, Minnesota
Spouse, age 49
Kandiyohi, Minnesota · implied b. ~1871 — 4 household members
| Surname | Johnson |
| Given Name | Katherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Denmark |
| Naturalization Status | Naturalized |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Danish |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
1930
Kandiyohi, Minnesota
Other, age 59
Kandiyohi, Minnesota · implied b. ~1871 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Kathrine |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Denmark |
| Naturalization Status | Naturalized |
| Year of Immigration | 1880 |
| Age at First Marriage | 20 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Can Read/Write | Yes |
| Mother Tongue | Danish |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
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 Katherine Johnson across 3 US Census years (1910, 1920 and 1930) in Kandiyohi, Minnesota, using XGBoost record linkage.
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This person
Anchor record
Katherine Johnson
Spouse · 1920 · age 49 · b. ~1871 · Minnesota
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Kandiyohi, Minnesota
Open full size
1920 US Federal Census — Kandiyohi, Minnesota
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu841unit:0764)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Blanche | 5 | Daughter | — | Minnesota |
| 2 | Peter H. Nelson | 73 | Head | — | Sweden |
| 3 | Nels Harris | 54 | Head | Salesman | Norway |
| 4 | Josefa Harris | 46 | Wife | — | Minnesota |
| 5 | Agnes Harris | 13 | Daughter | — | Minnesota |
| 6 | Ruth Harris | 11 | Daughter | — | Minnesota |
| 7 | Robert Harris | 6 | Son | — | Minnesota |
| 8 | Roger Harris | 6 | Son | — | Minnesota |
| 9 | Lillian Harris | 2 | Daughter | — | Minnesota |
| 10 | Sigre Johnson | 54 | Head | — | Norway |
| 11 | Martin Johnson | 31 | Son | Laborer | Minnesota |
| 12 | Ole Johnson | 29 | Son | — | Minnesota |
| 13 | Henry Johnson | 27 | Son | Laborer | Minnesota |
| 14 | Caroline Johnson | 17 | Daughter | — | Minnesota |
| 15 | Everett Kane | 28 | Head | Engineer | United States |
| 16 | Anna Kane | 26 | Wife | — | Minnesota |
| 17 | Marie Kane | 1 | Daughter | — | Minnesota |
| 18 | Haldor Langager | 34 | Head | Contractor | Norway |
| 19 | Martha Langager | 34 | Wife | — | South Dakota |
| 20 | Alvin Langager | 8 | Son | — | South Dakota |
| 21 | Oscar Langager | 6 | Son | — | South Dakota |
| 22 | Henry Langager | 3 | Son | — | Minnesota |
| 23 | Thomas Langager | 1 | Son | — | Minnesota |
| 24 | Hans Wherm | 38 | Head | — | Norway |
| 25 | Bertha Wherm | 79 | Mother | — | Norway |
| 26 | Ludwig Swenson | 34 | Head | Machinist | Minnesota |
| 27 | Gunhild Swenson | 23 | Wife | — | Sweden |
| 28 | Elling Uppilwick | 57 | Head | — | Norway |
| 29 | Eliza Uppilwick | 59 | Wife | — | Wisconsin |
| 30 | Monrad Uppilwick | 27 | Son | Laborer | Minnesota |
| 31 | Alfred Uppilwick | 25 | Son | Teamster | Minnesota |
| 32 | Ellen Uppilwick | 18 | Daughter | — | Minnesota |
| 33 | Alfred Johnson | 50 | Head | Engineer | Minnesota |
| 34 | Katherine Johnson THIS PERSON | 49 | Wife | — | Denmark |
| 35 | John L. Johnson | 20 | Son | Machinist | Minnesota |
| 36 | Mildred Johnson | 15 | Daughter | — | Minnesota |
| 37 | Axel P. Bjornberg | 47 | Head | Agent | Minnesota |
| 38 | Lina Bjornberg | 42 | Wife | — | Minnesota |
| 39 | Gordon Bjornberg | 14 | Son | — | Minnesota |
| 40 | Carol Bjornberg | 11 | Daughter | — | Minnesota |
| 41 | Marjorie Bjornberg | 6 | Daughter | — | Minnesota |
| 42 | Richard Bjornberg | 5 | Son | — | Minnesota |
| 43 | Joyce Bjornberg | 2 | Daughter | — | Minnesota |
| 44 | Harold Frasier | 46 | Head | Carpenter | Sweden |
| 45 | Annie Frasier | 37 | Wife | — | Sweden |
| 46 | Florence Frasier | 16 | Daughter | — | Minnesota |
| 47 | Thelma Frasier | 10 | Daughter | — | Minnesota |
| 48 | Marie Olson | 75 | Mother-in-law | — | Sweden |
| 49 | Ole Bredeson | 56 | Head | Painter | Norway |
| 50 | Bertha Bredeson | 33 | Daughter | — | Minnesota |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)