OJ
Olga Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Morrison-County, Minnesota
Our Model Tree links this Olga Johnson across the 1920, 1930 and 1940 US Censuses in Morrison-County, Minnesota (XGBoost, ~Confirmed), with identified parents Billy & Nels — first a daughter (b.~1900), then head of a 6-person household.
Age 40
b. ~1900
Female
Daughter
Born: Sweden
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Morrison-County, Minnesota |
| Surname | Johnson |
| Given Name | Olga |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Sweden |
| 1935 Residence (City) | Little Falls |
| 1935 Residence (County) | Morrison |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Township / Ward | Little Falls |
| Est. Birth Year | ~1900 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Olga | Age | Birth yr |
|---|---|---|---|---|
| Louis Johnson | Son | — | 25 | ~1915 |
| Helen Johnson | Daughter | — | 28 | ~1912 |
| Ann Johnson | Daughter | — | 32 | ~1908 |
| Olga Johnson | Daughter | — | 40 | ~1900 |
| Billy Johnson | Head | — | 68 | ~1872 |
| Nellie Johnson | Daughter | — | 20 | ~1920 |
Census Appearances
1920
Morrison, Minnesota
Daughter, age 20
Morrison, Minnesota · implied b. ~1900 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Olga |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Sweden |
| Year of Immigration | 1895 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Year of Naturalization | 1906 |
| Birthplace (normalized) | sweden |
1930
Morrison, Minnesota
Daughter, age 30
Morrison, Minnesota · implied b. ~1900 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Olga |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1900 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Servant |
| Industry | Private Family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Veteran | No |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Morrison-County, Minnesota
Daughter, age 40
Morrison-County, Minnesota · implied b. ~1900 — 6 household members
| Surname | Johnson |
| Given Name | Olga |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Sweden |
| 1935 Residence (City) | Little Falls |
| 1935 Residence (County) | Morrison |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Billy Johnson (~0.92 confidence) and father Nels Johnson (~0.92 confidence) and father Nels Johnson (~0.92 confidence) and mother Berta Johnson (~0.92 confidence) and mother Betty Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Billy Johnson
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Nels Johnson
b. ~1866
Source father
● Household
· direct · ~0.92
Father
Nels Johnson
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Berta Johnson
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Betty Johnson
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Olga Johnson
Daughter · 1940 · age 40 · b. ~1900 · Minnesota
★ You are viewing this record
Sibling
Helen Johnson
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ann Johnson
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Johnson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Johnson
Sibling · 1940 · age 25
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
1940 US Federal Census — Morrison-County, Minnesota
Open full size
1940 US Federal Census — Morrison-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01939-00436)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Laura May Larson | 25 | Wife | House Keeper | North Dakota |
| 42 | Bruce Stull | 69 | Head | — | Pennsylvania |
| 43 | Clara Stull | 52 | Wife | — | Michigan |
| 44 | John Fobish | 24 | Head | Road Grader | Minnesota |
| 45 | Theresa Fobish | 27 | Wife | — | Minnesota |
| 46 | F. R. Nurner | 34 | Head | Tool Foreman | Minnesota |
| 47 | Margaret Nurner | 33 | Wife | — | Minnesota |
| 48 | Robert Nurner | 8 | Son | — | Minnesota |
| 49 | Joyce Nurner | 4 | Daughter | — | Minnesota |
| 50 | Peter Pierginski | 47 | Head | Janitor | Minnesota |
| 51 | Emily Pierginski | 35 | Wife | — | Minnesota |
| 52 | Rosemary Pierginski | 7 | Daughter | — | Minnesota |
| 53 | Gloria Pierginski | 5 | Daughter | — | Minnesota |
| 54 | Bruno Pierginski | 3 | Son | — | Minnesota |
| 55 | Phyllis Pierginski | 5 | Daughter | — | Minnesota |
| 56 | James Pierginski | 3 | Son | — | Minnesota |
| 57 | James Pierginski | 12 | Son | — | Minnesota |
| 58 | John Wutoniv | 63 | Head | Cement Finisher | Minnesota |
| 59 | Sophie Wutoniv | 59 | Wife | — | Minnesota |
| 60 | Thomas Rich | 45 | Head | Carpenter | Minnesota |
| 61 | Victoria Rich | 43 | Wife | — | Minnesota |
| 62 | Albert Tiebatorski | 58 | Head | Laborer | Germany |
| 63 | Victoria Tiebatorski | 64 | Wife | — | Germany |
| 64 | Theresa Tiebatorski | 10 | Daughter | — | Minnesota |
| 65 | Fred Johnson | 40 | Head | Policeman | Minnesota |
| 66 | Eva Johnson | 36 | Wife | — | Minnesota |
| 67 | Jeannine Johnson | 11 | Daughter | — | Minnesota |
| 68 | Alex Sandstrom | 63 | Head | — | Sweden |
| 69 | Florence Sandstrom | 38 | Daughter | Stenographer | Michigan |
| 70 | Fred Grant | 58 | Head | — | Minnesota |
| 71 | Rose Grant | 50 | Wife | — | Minnesota |
| 72 | Burt Grant | 14 | Lodger | — | Minnesota |
| 73 | Billy Johnson | 68 | Head | — | Sweden |
| 74 | Olga Johnson THIS PERSON | 40 | Daughter | — | Sweden |
| 75 | Ann Johnson | 32 | Daughter | Line Man | Minnesota |
| 76 | Helen Johnson | 28 | Daughter | Saleslady | Minnesota |
| 77 | Louis Johnson | 25 | Son | Attendant | Minnesota |
| 78 | Nellie Johnson | 20 | Daughter | Saleslady | Minnesota |
| 79 | Edward Johnson | 41 | Head | Line Man | Sweden |
| 80 | Fern Johnson | 34 | Wife | — | Minnesota |
Related Census Records
Pedigree Summary
Olga + 4 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 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)