OJ
Oliver Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · St Louis, Minnesota
Our Model Tree links this Oliver Johnson across the 1910, 1920 and 1930 US Censuses in St Louis, Minnesota (XGBoost, ~Confirmed), with identified parents Andrew & Amanda — first a son (b.~1894), then head of a 6-person household.
Age 36
b. ~1894
Male
Son
Born: Finland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | St Louis, Minnesota |
| Surname | Johnson |
| Given Name | Oliver |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Finland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1910 |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Additional Details | |
| Occupation | Laborer |
| Industry | Steel Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Veteran | No |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
| Occupation | Laborer |
| Township / Ward | Duluth City |
| Est. Birth Year | ~1894 |
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 1930 census.
| Name | Relation to head | Relative to Oliver | Age | Birth yr |
|---|---|---|---|---|
| John Clark | Other | — | 53 | ~1877 |
| Gust Edison | Other | — | 57 | ~1873 |
| Oliver Johnson | Son | — | 36 | ~1894 |
| Adolph Wolfe | Other | — | 40 | ~1890 |
| Amanda Johnson | Spouse | — | 9 | ~1921 |
| Andrew Johnson | Head | — | 44 | ~1886 |
Census Appearances
1910
St Louis, …
Other, age 18
St Louis, Minnesota · implied b. ~1892 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ole |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Finland |
| Year of Immigration | 1909 |
| Naturalization Status | Alien |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
1920
St Louis, …
Other, age 25
St Louis, Minnesota · implied b. ~1895 — 17 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ole |
| Relationship to Head | lodger |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Finland |
| Year of Immigration | 1908 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Occupation | painter |
| Industry | painting co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Finnish |
| Birth Country | Finland |
| Year of Naturalization | 1919 |
| Birthplace (normalized) | finland |
1930
St Louis, …
Son, age 36
St Louis, Minnesota · implied b. ~1894 — 6 household members
| Surname | Johnson |
| Given Name | Oliver |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Finland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1910 |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Occupation | Laborer |
| Industry | Steel Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Veteran | No |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
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 Oliver Johnson across 3 US Census years (1910, 1920 and 1930) in St Louis, Minnesota, using XGBoost record linkage. Identified parents: father Andrew Johnson (~0.60 confidence) and mother Amanda Johnson (~0.50 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.55
Father
Andrew Johnson
b. ~1886
Source father
● Household
· direct · ~0.6
Mother
Amanda Johnson
b. ~1921
Source mother
● Household
· direct · ~0.5
This person
Anchor record
Oliver Johnson
Son · 1930 · age 36 · b. ~1894 · 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:minnesotacensus00reel1127:0479)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Robert D. Princeton | 11 | Son | — | Minnesota |
| 52 | Florence E. Princeton | 2 | Daughter | — | Minnesota |
| 53 | Bertin Princeton | 0 | Son | — | Minnesota |
| 54 | Anna Siders | 65 | Roomer | None | Czechoslovakia |
| 55 | Sigvert Swanson | 49 | Roomer | Drying Dept | Norway |
| 56 | Swanson | 42 | Roomer | Blacksmith | Wisconsin |
| 57 | John Peterson | 33 | Head | None | Wisconsin |
| 58 | Hazel Peterson | 40 | Wife | Watchman | Sweden |
| 59 | John E. Carlson | 28 | Head | Laborer | Minnesota |
| 60 | Walter J. Carlson | 45 | Son | Laborer | Wisconsin |
| 61 | Elmer Morrison | 34 | Head | None | Wisconsin |
| 62 | Bertha M. Morrison | 25 | Wife | Laborer | Wisconsin |
| 63 | Wesley Morrison | 19 | Son | None | Minnesota |
| 64 | Orville Morrison | 10 | Son | None | Minnesota |
| 65 | Priscilla G. Morrison | 32 | Daughter | Oiler | Iowa |
| 66 | John Fisher | 16 | Head | None | Iowa |
| 67 | Margaret Fisher | 2 | Wife | None | Minnesota |
| 68 | Betty Fisher | 40 | Daughter | Mechanic | Illinois |
| 69 | Carl E. Berggren | 39 | Head | None | Minnesota |
| 70 | Jessie Berggren | 8 | Wife | None | Minnesota |
| 71 | Agnes Berggren | 1 | Daughter | None | Minnesota |
| 72 | Chester E. Berggren | 0 | Son | None | Minnesota |
| 73 | Clifford J. Berggren | 25 | Son | Truck Driver | Minnesota |
| 74 | George Morgan | 23 | Head | None | Minnesota |
| 75 | Mathilda Morgan | 1 | Wife | None | Minnesota |
| 76 | Dolores Morgan | 21 | Daughter | None | Minnesota |
| 77 | David Morgan | 74 | Brother | None | Iowa |
| 78 | Charles Segar | 71 | Head | None | Canada French |
| 79 | Mary Segar | 25 | Wife | None | Montana |
| 80 | August Schooer | 53 | Roomer | Laborer | Canada English |
| 81 | Richard Upton | 51 | Head | None | Michigan |
| 82 | Bertha Upton | 30 | Wife | Laborer | Minnesota |
| 83 | Earl Upton | 22 | Son | Clerk | Wisconsin |
| 84 | William Upton | 16 | Son | None | Wisconsin |
| 85 | Ruby Upton | 14 | Daughter | None | Wisconsin |
| 86 | Richard Upton | 47 | Son | Laborer | Canada English |
| 87 | Hugh Thompson | 42 | Head | None | Wisconsin |
| 88 | Nettie Thompson | 23 | Wife | Painter | Wisconsin |
| 89 | Milton H. Clark | 23 | Head | None | Wisconsin |
| 90 | Irene Clark | 0 | Wife | None | Minnesota |
| 91 | Milton Clark | 49 | Son | Laborer | Finland |
| 92 | Andrew Johnson | 44 | Head | None | Finland |
| 93 | Amanda Johnson | 9 | Wife | None | Minnesota |
| 94 | Oliver Johnson THIS PERSON | 36 | Son | Laborer | Finland |
| 95 | John Clark | 53 | Roomer | Laborer | Finland |
| 96 | Gust Edison | 57 | Roomer | Operator | Minnesota |
| 97 | Adolph Wolfe | 40 | Roomer | Brakeman | Finland |
| 98 | John Strom | 38 | Head | None | Finland |
| 99 | Mary Strom | 17 | Wife | None | Minnesota |
| 100 | Ingrid Strom | 17 | Daughter | None | Minnesota |
Pedigree Summary
Oliver
Gen 1 · 2 parents
~0.55
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)