OJ
Olga Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · St Louis, Minnesota
Our Model Tree links this Olga Johnson across the 1900, 1910, 1920, 1930 and 1940 US Censuses in St Louis, Minnesota (XGBoost, ~Confirmed), with identified parents Osgood & Victor — first a spouse (b.~1886), then head of a 5-person household.
Age 44
b. ~1886
Female
Spouse
Born: Sweden
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | St Louis, Minnesota |
| Surname | Johnson |
| Given Name | Olga M. |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Sweden |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Township / Ward | Duluth City |
| 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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Olga | Age | Birth yr |
|---|---|---|---|---|
| Erville Johnson | Son | — | 1 | ~1929 |
| Doris Johnson | Daughter | — | 4 | ~1926 |
| Olga Johnson | Spouse | — | 44 | ~1886 |
| Nels Johnson | Head | — | 55 | ~1875 |
| Nels O'Dell | Other | — | 39 | ~1891 |
Census Appearances
1900
St Louis, …
Daughter, age 11
St Louis, Minnesota · implied b. ~1889 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Olga |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Sweden |
| Birth Month | Mar |
| Birth Year | 1889 |
| Year of Immigration | 1891 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | At School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1910
St Louis, …
Daughter, age 22
St Louis, Minnesota · implied b. ~1888 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Olga |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Sweden |
| Years Married | 3 |
| Children Born | 1 |
| Children Living | 1 |
| Year of Immigration | 1893 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1920
St Louis, …
Spouse, age 32
St Louis, Minnesota · implied b. ~1888 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Olga C. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1897 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Year of Naturalization | 1913 |
| Birthplace (normalized) | sweden |
1930
St Louis, …
Spouse, age 44
St Louis, Minnesota · implied b. ~1886 — 5 household members
| Surname | Johnson |
| Given Name | Olga M. |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Sweden |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
St.-Louis-County, Minnesota
Spouse, age 55
St.-Louis-County, Minnesota · implied b. ~1885 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Olive S. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Duluth City |
| 1935 Residence (County) | St. Louis |
| Naturalization Status | Naturalized |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| 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 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Osgood Johnson (~0.92 confidence) and father Victor Carlson (~0.92 confidence) and mother Elizabeth Carlson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Osgood Johnson
b. ~1861
Source father
● Household
· direct · ~0.92
Father
Victor Carlson
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Carlson
b. ~1865
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Olga Johnson
Spouse · 1930 · age 44 · b. ~1886 · Minnesota
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — St Louis, Minnesota
Open full size
1930 US Federal Census — St Louis, Minnesota
Page Contents
50 people indexed on this census page (ia:1930:minnesotacensus00reel1127:0566)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Root | 10 | son | None | Minnesota |
| 2 | Carl E Tinkham | 26 | son-in-law | Agent | Minnesota |
| 3 | Katherine Tinkham | 27 | daughter | None | Michigan |
| 4 | Barbara Tinkham | 1 | g. daughter | None | Minnesota |
| 5 | Susan Peffer | 59 | head | None | Minnesota |
| 6 | Marie E. Peffer | 30 | daughter | Bookkeeper | Minnesota |
| 7 | Clarence R. Peffer | 25 | son | Asst. Foreman | Minnesota |
| 8 | Nels D Johnson | 55 | head | Carpenter | Sweden |
| 9 | Olga M. Johnson THIS PERSON | 44 | wife | None | Sweden |
| 10 | Doris E. Johnson | 4 | daughter | None | Minnesota |
| 11 | Erville Johnson | 1 | son | None | Minnesota |
| 12 | Nels O'Dell | 39 | brother-in-law | Carpenter | Sweden |
| 13 | Adolph Brandenhoff | 48 | head | Drayman | Denmark |
| 14 | Anna M. Brandenhoff | 47 | wife | None | Wisconsin |
| 15 | Leroy Brandenhoff | 20 | son | Weighmaster | Minnesota |
| 16 | John Jr. Brandenhoff | 15 | son | None | Minnesota |
| 17 | Earl Brandenhoff | 13 | son | None | Minnesota |
| 18 | Sydney L. Pierson | 46 | head | Patternmaker | England |
| 19 | Christine Pierson | 34 | wife | None | Scotland |
| 20 | Betty Pierson | 1 | daughter | None | Minnesota |
| 21 | James B. Anderson | 67 | head | Foreman | Canada-English |
| 22 | Grace Anderson | 62 | wife | None | Canada-English |
| 23 | Leo G. Gailey | 33 | head | Iron Worker | Michigan |
| 24 | Eva R. Gailey | 29 | wife | None | Michigan |
| 25 | Leo W. Gailey | 7 | son | None | Michigan |
| 26 | Robert O'Dell | 35 | head | Salesman | Sweden |
| 27 | Mabel O'Dell | 35 | wife | None | Wisconsin |
| 28 | Shirley O'Dell | 7 | daughter | None | Minnesota |
| 29 | William Peterson | 69 | father-in-law | Laborer | Sweden |
| 30 | Amelia Peterson | 70 | mother-in-law | None | Norway |
| 31 | Frank Czemba | 47 | head | Foreman | Germany |
| 32 | Adela Czemba | 38 | wife | None | South Dakota |
| 33 | Esther Czemba | 17 | daughter | None | North Dakota |
| 34 | Gerhart Czemba | 15 | son | None | Minnesota |
| 35 | Iza Czemba | 13 | daughter | None | Minnesota |
| 36 | John H. Dolter | 38 | head | Machinist | Iowa |
| 37 | Amelia P. Dolter | 35 | wife | Saleslady | Minnesota |
| 38 | Carrie Berg | 59 | mother-in-law | None | Norway |
| 39 | Katherine T. Berg | 26 | sister-in-law | Saleslady | Minnesota |
| 40 | Martin R. Porento | 39 | head | Machinist | Michigan |
| 41 | Ida M. Porento | 33 | wife | None | Wisconsin |
| 42 | Elenor Porento | 10 | daughter | None | Minnesota |
| 43 | Elaine Porento | 9 | daughter | None | Minnesota |
| 44 | Dale Porento | 5 | son | None | Minnesota |
| 45 | Joyce Porento | 1 | daughter | None | Minnesota |
| 46 | Arthur Silver | 32 | head | Manager | New York State |
| 47 | Ida Silver | 31 | wife | None | Russia |
| 48 | Warren Silver | 0 | son | None | Minnesota |
| 49 | Aila Mackey | 15 | servant | Servant | Wisconsin |
| 50 | <End> | None | — | — | — |
Pedigree Summary
Olga
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)