OJ
Olga Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Grant-County, Minnesota
Our Model Tree links this Olga Johnson across the 1930 and 1940 US Censuses in Grant-County, Minnesota (XGBoost, ~Confirmed) — first a spouse (b.~1893), then head of a 9-person household.
Age 47
b. ~1893
Female
Spouse
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Grant-County, Minnesota |
| Surname | Johnson |
| Given Name | Olga |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Elk Lake twp |
| 1935 Residence (County) | Grant |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Elk Lake Twp |
| Est. Birth Year | ~1893 |
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 Olga | Age | Birth yr |
|---|---|---|---|---|
| Edwin Johnson | Son | — | 18 | ~1922 |
| Helen Johnson | Daughter | — | 15 | ~1925 |
| Roger Johnson | Son | — | 6 | ~1934 |
| Luther Johnson | Son | — | 4 | ~1936 |
| Orville Johnson | Son | — | 12 | ~1928 |
| Kenneth Johnson | Son | — | 21 | ~1919 |
| Olga Johnson | Spouse | — | 47 | ~1893 |
| Robert Johnson | Son | — | 20 | ~1920 |
| Theodore Johnson | Head | — | 47 | ~1893 |
Census Appearances
1930
Grant, Minnesota
Spouse, age 37
Grant, Minnesota · implied b. ~1893 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Olga J |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | none |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Grant-County, Minnesota
Spouse, age 47
Grant-County, Minnesota · implied b. ~1893 — 9 household members
| Surname | Johnson |
| Given Name | Olga |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Elk Lake twp |
| 1935 Residence (County) | Grant |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 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 Olga Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Olga Johnson
Spouse · 1940 · age 47 · b. ~1893 · 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 — Grant-County, Minnesota
Open full size
1940 US Federal Census — Grant-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01924-00101)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Roger Anderson | 18 | Son | Laborer | Minnesota |
| 2 | Edna Nordin | 50 | Daughter in law | — | No Dakota |
| 3 | Lillian Ulsager | 21 | Lodger | Teacher | Minnesota |
| 4 | Harry Johnson | 51 | Head | Farmer | Nebraska |
| 5 | Anna Johnson | 50 | Wife | — | Minnesota |
| 6 | Theodore Johnson | 47 | Head | Farmer | Minnesota |
| 7 | Olga Johnson THIS PERSON | 47 | Wife | — | Minnesota |
| 8 | Kenneth Johnson | 21 | Son | Laborer | Minnesota |
| 9 | Robert Johnson | 20 | Son | Laborer | Minnesota |
| 10 | Edwin Johnson | 18 | Son | Laborer | Minnesota |
| 11 | Helen Johnson | 15 | Daughter | — | Minnesota |
| 12 | Orville Johnson | 12 | Son | — | Minnesota |
| 13 | Roger Johnson | 6 | Son | — | Minnesota |
| 14 | Luther Johnson | 4 | Son | — | Minnesota |
| 15 | Helmer Skar | 42 | Head | Farmer | No Dakota |
| 16 | Helen Skar | 36 | Wife | — | Minnesota |
| 17 | Verna Skar | 15 | Daughter | — | Minnesota |
| 18 | Orlin Skar | 13 | Son | — | Minnesota |
| 19 | Delores Skar | 9 | Daughter | — | Minnesota |
| 20 | Luvern Skar | 6 | Son | — | Minnesota |
| 21 | Jurgens Buhr | 49 | Head | Farmer | Denmark |
| 22 | Petra Buhr | 49 | Wife | — | Minnesota |
| 23 | Sylvia Buhr | 17 | Daughter | — | Minnesota |
| 24 | Eva Buhr | 15 | Daughter | — | Minnesota |
| 25 | Christian Brekke | 40 | Head | Farmer | Minnesota |
| 26 | Carroll Brekke | 7 | Son | — | Minnesota |
| 27 | Ramona Brekke | 5 | Daughter | — | Minnesota |
| 28 | Donald Brekke | 4 | Son | — | Minnesota |
| 29 | Torger Brekke | 75 | Father | — | Norway |
| 30 | Helda Setterlund | 66 | Head | Farmer | Minnesota |
| 31 | Cora Setterlund | 35 | Daughter | — | Minnesota |
| 32 | Harry Setterlund | 32 | Son | Printer'S Apprentice | Minnesota |
| 33 | Annie Anderson | 57 | Sister | — | Minnesota |
| 34 | E. Amandus Samuelson | 55 | Head | Farmer | Minnesota |
| 35 | Clara Samuelson | 55 | Wife | — | Minnesota |
| 36 | Mrs. Tilda Flatness | 66 | Head | — | Norway |
| 37 | Ovedia Flatness | 46 | Daughter | — | Minnesota |
| 38 | Selmer Flatness | 39 | Son | Farmer | Minnesota |
| 39 | Alfred Flatness | 33 | Son | Laborer | Minnesota |
| 40 | Arnold Flatness | 25 | Son | Laborer | 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)