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Robert Olson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jackson-County, Minnesota
Our Model Tree links this Robert Olson across the 1930 and 1940 US Censuses in Jackson-County, Minnesota (XGBoost, ~Confirmed) — first a son (b.~1917), then head of a 8-person household.
Age 23
b. ~1917
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jackson-County, Minnesota |
| Surname | Olson |
| Given Name | Robert A |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Enterprise |
| 1935 Residence (County) | Jackson |
| Additional Details | |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | PW |
| Hours Worked | 70 |
| Income (1939) | 400 |
| Highest Grade | H 2 |
| 1935 Residence | Same house |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Farmer |
| Township / Ward | Enterprise |
| Est. Birth Year | ~1917 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Ruth Olson | Daughter | — | 11 | ~1929 |
| Margaret Olson | Daughter | — | 25 | ~1915 |
| Sigfred Olson | Head | — | 52 | ~1888 |
| Anna Olson | Spouse | — | 50 | ~1890 |
| Romaine Olson | Daughter | — | 21 | ~1919 |
| Walter Olson | Son | — | 15 | ~1925 |
| Robert Olson | Son | — | 23 | ~1917 |
| Marcus Krugtorp | Other | — | 52 | ~1888 |
Census Appearances
1930
Jackson, Minnesota
Son, age 13
Jackson, Minnesota · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Robert A |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Jackson-County, Minnesota
Son, age 23
Jackson-County, Minnesota · implied b. ~1917 — 8 household members
| Surname | Olson |
| Given Name | Robert A |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Enterprise |
| 1935 Residence (County) | Jackson |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | PW |
| Hours Worked | 70 |
| Income (1939) | 400 |
| Highest Grade | H 2 |
| 1935 Residence | Same house |
| 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 Robert Olson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Olson
Son · 1940 · age 23 · b. ~1917 · Minnesota
★ You are viewing this record
Sibling
Margaret Olson
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Olson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Romaine Olson
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Olson
Sibling · 1940 · age 11
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 — Jackson-County, Minnesota
Open full size
1940 US Federal Census — Jackson-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01929-00104)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | J Philip | 12 | son | — | Minnesota |
| 2 | Thomas Bjorke | 44 | son-in-law | Laborer | Minnesota |
| 3 | Blanch Bjorke | 34 | daughter | House Wife | Minnesota |
| 4 | Gladys Bjorke | 4 | daughter | — | Minnesota |
| 5 | Alfred Petersen | 37 | head | Farmer | Minnesota |
| 6 | Adelia Petersen | 30 | wife | House Wife | Minnesota |
| 7 | Burdette Petersen | 8 | son | — | Minnesota |
| 8 | Doris Petersen | 2 | daughter | — | Minnesota |
| 9 | Benjamin H Hill | 48 | head | Farmer | Missouri |
| 10 | Bertha M Hill | 45 | wife | House Wife | Missouri |
| 11 | Roe A Hill | 24 | son | Farm Labor | Missouri |
| 12 | Shirley R Hill | 15 | daughter | — | Missouri |
| 13 | Marlin B Hill | 13 | son | — | Missouri |
| 14 | Carol F Hill | 10 | daughter | — | Missouri |
| 15 | Sigfred E Olson | 52 | head | Farmer | Illinois |
| 16 | Anna A Olson | 50 | wife | House Wife | Illinois |
| 17 | Margaret A Olson | 25 | daughter | Teacher | Minnesota |
| 18 | Robert A Olson THIS PERSON | 23 | son | Farmer | Minnesota |
| 19 | Romaine S Olson | 21 | daughter | Maid | Minnesota |
| 20 | Walter Olson | 15 | son | — | Minnesota |
| 21 | Ruth A Olson | 11 | daughter | — | Minnesota |
| 22 | Marcus Krugtorp | 52 | hired hand | Laborer | Minnesota |
| 23 | Elbert E Hayek | 30 | head | Farmer | Minnesota |
| 24 | Frank Vacek | 73 | owner | Farmer | Minnesota |
| 25 | John Ploehn | 72 | head | Farmer | Germany |
| 26 | Matt Smith | 50 | helper | Laborer | Dakota |
| 27 | Lucille Smith | 54 | helper | Maid | Iowa |
| 28 | Lawrence Smith | 27 | son | Laborer | Montana |
| 29 | Bernhard W Dilley | 28 | head | Farmer | Minnesota |
| 30 | Leona V Dilley | 22 | wife | House Wife | Minnesota |
| 31 | Edith May Dilley | 1 | daughter | — | Minnesota |
| 32 | Leonard W Dilley | 35 | brother | Partner | Minnesota |
| 33 | Peter Dilley | 80 | father | — | England |
| 34 | Jane Dilley | 72 | mother | — | Illinois |
| 35 | Lester Schulz | 29 | head | Farmer | Illinois |
| 36 | Anna Schulz | 29 | wife | House Wife | Minnesota |
| 37 | Harlene Schulz | 4 | daughter | — | Minnesota |
| 38 | Dennis Schulz | 2 | son | — | Minnesota |
| 39 | Charles Wolff | 48 | head | Farmer | Illinois |
| 40 | Mary Wolff | 43 | wife | House Wife | 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)