OJ
Ole Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Rock-County, Minnesota
Our Model Tree links this Ole Johnson across the 1930 and 1940 US Censuses in Rock-County, Minnesota (XGBoost, ~Confirmed) — first a head (b.~1886), then head of a 9-person household.
Age 54
b. ~1886
Male
Head
Born: Norway
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-County, Minnesota |
| Surname | Johnson |
| Given Name | Ole S |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Kenneth village |
| 1935 Residence (County) | Rock |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 24 |
| Income (1939) | 1000 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
| Occupation | Farmer |
| Township / Ward | Kenneth Village |
| Est. Birth Year | ~1886 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ole | Age | Birth yr |
|---|---|---|---|---|
| John Johnson | Son | — | 18 | ~1922 |
| Ida Johnson | Daughter | — | 23 | ~1917 |
| Lloyd Johnson | Son | — | 5 | ~1935 |
| Ole Johnson | Head | — | 54 | ~1886 |
| Kenneth Johnson | Son | — | 17 | ~1923 |
| George Johnson | Son | — | 21 | ~1919 |
| Olive Johnson | Spouse | — | 48 | ~1892 |
| Olaf Johnson | Son | — | 14 | ~1926 |
| Ardna Johnson | Daughter | — | 12 | ~1928 |
Census Appearances
1930
Rock, Minnesota
Head, age 42
Rock, Minnesota · implied b. ~1888 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ole |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Norway |
| Naturalization Status | Naturalized |
| Year of Immigration | 1901 |
| Age at First Marriage | 22 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farmer |
| Industry | Gen Farming |
| Class of Worker | E |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Home Owned/Rented | R |
| Radio Set | R |
| Veteran | No |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1940
Rock-County, Minnesota
Head, age 54
Rock-County, Minnesota · implied b. ~1886 — 9 household members
| Surname | Johnson |
| Given Name | Ole S |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Kenneth village |
| 1935 Residence (County) | Rock |
| Naturalization Status | Naturalized |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 24 |
| Income (1939) | 1000 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
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 Ole Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ole Johnson
Head · 1940 · age 54 · b. ~1886 · 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 — Rock-County, Minnesota
Open full size
1940 US Federal Census — Rock-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01954-00337)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sigmund Swenson | 50 | Head | Farmer | Iowa |
| 2 | Ole S Johnson THIS PERSON | 54 | Head | Farmer | Norway |
| 3 | Olive Johnson | 48 | Wife | — | Norway |
| 4 | Ida J. Johnson | 23 | Daughter | — | Minnesota |
| 5 | George J. Johnson | 21 | Son | Laborer | Minnesota |
| 6 | John G. Johnson | 18 | Son | Laborer | Minnesota |
| 7 | Kenneth Johnson | 17 | Son | Laborer | Minnesota |
| 8 | Olaf K. Johnson | 14 | Son | Laborer | Minnesota |
| 9 | Ardna N Johnson | 12 | Daughter | — | Minnesota |
| 10 | Lloyd J. Johnson | 5 | Son | — | Minnesota |
| 11 | Henry Van De Velde | 43 | Head | Manager | Illinois |
| 12 | Annie Van De Velde | 43 | Wife | — | Minnesota |
| 13 | Delores J. Van De Velde | 16 | Daughter | — | Minnesota |
| 14 | Harriet Van De Velde | 13 | Daughter | — | Minnesota |
| 15 | Charles H. Van De Velde | 8 | Son | — | Minnesota |
| 16 | Henry Bott | 42 | Head | Manager | Minnesota |
| 17 | August Traumera | 81 | Head | — | Illinois |
| 18 | Minnie Traumera | 23 | Daughter | — | Minnesota |
| 19 | Melvin L. Traumera | 4 | Grandson | — | Minnesota |
| 20 | Edward L. Traumera | 2 | Grandson | Laborer | Minnesota |
| 21 | Herman Traumera | 43 | Son | — | Minnesota |
| 22 | Edward Dooyema | 33 | Head | Lumbering | Minnesota |
| 23 | Alice Dooyema | 30 | Wife | — | Iowa |
| 24 | Darrell C. Dooyema | 4 | Son | — | Minnesota |
| 25 | Dolly Dooyema | 0 | Daughter | — | Minnesota |
| 26 | Charles Kuechenmeister | 44 | Head | Lumbering | Minnesota |
| 27 | Clara Kuechenmeister | 41 | Wife | — | Minnesota |
| 28 | Vivian Kuechenmeister | 20 | Daughter | Clerk | Minnesota |
| 29 | Ruth Kuechenmeister | 16 | Daughter | — | Minnesota |
| 30 | Aris Kuechenmeister | 12 | Daughter | — | Minnesota |
| 31 | Helen Kuechenmeister | 8 | Daughter | — | Minnesota |
| 32 | Eugene Kuechenmeister | 6 | Son | — | Minnesota |
| 33 | Lloyd Peterson | 22 | Brother-in-law | Helper | Minnesota |
| 34 | Carl A. Turner | 28 | Head | Manager | So. Dakota |
| 35 | Shirley Turner | 26 | Wife | — | Minnesota |
| 36 | Sharon L. Turner | 3 | Daughter | — | Minnesota |
| 37 | Ingolf Sunde | 48 | Head | Farmer | Norway |
| 38 | Alma Sunde | 45 | Wife | — | Minnesota |
| 39 | Russell Sunde | 18 | Son | Laborer | So. Dakota |
| 40 | Florence Sunde | 16 | Daughter | — | So. Dakota |
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)