OJ
Olga Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Hennepin, Minnesota
Our Model Tree links this Olga Johnson across the 1920, 1930 and 1940 US Censuses in Hennepin, Minnesota (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 3-person household.
Age 40
b. ~1890
Female
Spouse
Born: No. Dakota
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Hennepin, Minnesota |
| Surname | Johnson |
| Given Name | Olga |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | No. Dakota |
| Age at First Marriage | 29 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Additional Details | |
| Can Read/Write | Yes |
| Birthplace (normalized) | no dakota |
| Township / Ward | Minneapolis City |
| Est. Birth Year | ~1890 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Olga | Age | Birth yr |
|---|---|---|---|---|
| Alfred Johnson | Head | — | 48 | ~1882 |
| Orben Johnson | Son | — | 10 | ~1920 |
| Olga Johnson | Spouse | — | 40 | ~1890 |
Census Appearances
1920
Hennepin, Minnesota
Spouse, age 31
Hennepin, Minnesota · implied b. ~1889 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Olga |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | No Dakota |
| Father's Birthplace | New York |
| Mother's Birthplace | Michigan |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birthplace (normalized) | no dakota |
1930
Hennepin, Minnesota
Spouse, age 40
Hennepin, Minnesota · implied b. ~1890 — 3 household members
| Surname | Johnson |
| Given Name | Olga |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | No. Dakota |
| Age at First Marriage | 29 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Birthplace (normalized) | no dakota |
1940
Hennepin-County, Minnesota
Spouse, age 49
Hennepin-County, Minnesota · implied b. ~1891 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnsen |
| Given Name | Olga |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | No. Dakota |
| 1935 Residence (City) | Minneapolis |
| 1935 Residence (County) | Hennepin |
| Class of Worker | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birthplace (normalized) | no dakota |
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.
Show:
This person
Anchor record
Olga Johnson
Spouse · 1930 · age 40 · b. ~1890 · Minnesota
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Hennepin, Minnesota
Open full size
1930 US Federal Census — Hennepin, Minnesota
Page Contents
50 people indexed on this census page (ia:1930:minnesotacensus00reel1100:1071)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Liskey | 73 | Head | — | Germany |
| 2 | William Liskey | 30 | Son | Salesman | Minnesota |
| 3 | Sophie Liskey | 29 | Daughter | Teacher | Minnesota |
| 4 | Charles Pratt | 43 | Head | Owner | Minnesota |
| 5 | Ethel Pratt | 46 | Wife | — | Minnesota |
| 6 | William Pratt | 20 | Son | Cable Man | Minnesota |
| 7 | Charles Pratt | 14 | Son | — | Minnesota |
| 8 | Rosella Pratt | 12 | Daughter | — | Minnesota |
| 9 | Arvid Lundeen | 37 | Head | Owner | Sweden |
| 10 | Minnie Lundeen | 32 | Wife | — | Sweden |
| 11 | Dana H. Alton | 34 | Head | Salesman | Minnesota |
| 12 | Runa K. Alton | 35 | Wife | — | Minnesota |
| 13 | John H. Alton | 8 | Son | — | Minnesota |
| 14 | Dana G. Alton | 7 | Son | — | Minnesota |
| 15 | Robert S. Alton | 6 | Son | — | Minnesota |
| 16 | James L. Alton | 3 | Son | — | Minnesota |
| 17 | Floyd R. Olson | 33 | Head | Machinist | Minnesota |
| 18 | Hazel Olson | 33 | Wife | — | Iowa |
| 19 | Randall Olson | 3 | Son | — | Minnesota |
| 20 | Richard Olson | 0 | Son | — | Minnesota |
| 21 | David J. Spencer | 44 | Head | Adjuster | Minnesota |
| 22 | Frances R. Spencer | 34 | Wife | Solicitor | Minnesota |
| 23 | Dorothy J. Spencer | 15 | Daughter | — | Minnesota |
| 24 | John J. Spencer | 10 | Son | — | Minnesota |
| 25 | Axel Ringbloom | 46 | Head | Bricklayer | Sweden |
| 26 | Jenny Ringbloom | 42 | Wife | — | Sweden |
| 27 | Carl Edlund | 24 | Head | Delivery Man | Minnesota |
| 28 | Loraine Edlund | 23 | Wife | — | Minnesota |
| 29 | William Edlund | 0 | Son | — | Minnesota |
| 30 | Alfred Johnson | 48 | Head | Lineman | Sweden |
| 31 | Olga Johnson THIS PERSON | 40 | Wife | — | No. Dakota |
| 32 | Orben Johnson | 10 | Son | — | Minnesota |
| 33 | Edward Grimm | 30 | Head | Truck Driver | Minnesota |
| 34 | Lilly Grimm | 29 | Wife | — | Minnesota |
| 35 | Loraine Grimm | 1 | Daughter | — | Minnesota |
| 36 | George Anderson | 42 | Head | Mechanic | No. Dakota |
| 37 | Alice Anderson | 40 | Wife | — | England |
| 38 | A. B. Bancroft | 55 | Head | Paymaster | New Jersey |
| 39 | Agnes Bancroft | 50 | Wife | — | Iowa |
| 40 | Rolland F. Shepherd | 31 | Head | Consultant | Minnesota |
| 41 | Teplyn Shepherd | 28 | Wife | Secretary | Minnesota |
| 42 | H. E. Scott | 32 | Head | Salesman | Minnesota |
| 43 | Gladys Scott | 27 | Wife | — | Minnesota |
| 44 | Norham Scott | 5 | Son | — | Minnesota |
| 45 | Margret Scott | 2 | Daughter | — | Minnesota |
| 46 | William C. Fraser | 38 | Head | Attorney | Ohio |
| 47 | Nora M. Fraser | 33 | Wife | — | Montana |
| 48 | Clarence Buntrock | 36 | Head | Machinist | Illinois |
| 49 | Helen Buntrock | 35 | Wife | — | Illinois |
| 50 | James Buntrock | 11 | Son | — | Minnesota |
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)