OJ
Ole Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Chickasaw-County, Iowa
Our Model Tree links this Ole Johnson across the 1930 and 1940 US Censuses in Chickasaw-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1897), then head of a 8-person household.
Age 43
b. ~1897
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Chickasaw-County, Iowa |
| Surname | Johnson |
| Given Name | Ole S |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Jacksonville Township |
| 1935 Residence (County) | Chickasaw |
| Additional Details | |
| Occupation | Farmer |
| Industry | Tenant Farmer |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Jacksonville Township |
| Est. Birth Year | ~1897 |
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 Ole | Age | Birth yr |
|---|---|---|---|---|
| Lorraine Johnson | Daughter | — | 6 | ~1934 |
| Ole Johnson | Head | — | 43 | ~1897 |
| Donald Johnson | Son | — | 14 | ~1926 |
| Jean Johnson | Daughter | — | 3 | ~1937 |
| Sophia Johnson | Spouse | — | 43 | ~1897 |
| Shirley Johnson | Daughter | — | 8 | ~1932 |
| Alvin Johnson | Son | — | 11 | ~1929 |
| Gladys Johnson | Daughter | — | 19 | ~1921 |
Census Appearances
1930
Chickasaw, Iowa
Other, age 33
Chickasaw, Iowa · implied b. ~1897 — 29 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ole A. |
| Relationship to Head | R |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 22 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Radio Set | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Chickasaw-County, Iowa
Head, age 43
Chickasaw-County, Iowa · implied b. ~1897 — 8 household members
| Surname | Johnson |
| Given Name | Ole S |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Jacksonville Township |
| 1935 Residence (County) | Chickasaw |
| Occupation | Farmer |
| Industry | Tenant Farmer |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Ole Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ole Johnson
Head · 1940 · age 43 · b. ~1897 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Chickasaw-County, Iowa
Open full size
1940 US Federal Census — Chickasaw-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01147-00872)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Arthur A Nystel | 25 | Son | Farm Laborer | Iowa |
| 2 | Edward O Nystel | 21 | Son | Farm Laborer | Iowa |
| 3 | Kenneth S Nystel | 18 | Son | Farm Laborer | Iowa |
| 4 | Lyon N Nystel | 14 | Son | Farm Laborer | Iowa |
| 5 | Evelyn S Nystel | 12 | Daughter | — | Iowa |
| 6 | Hazel N Nystel | 9 | Daughter | — | Iowa |
| 7 | Morris E Nystel | 7 | Daughter | — | Iowa |
| 8 | Raymond B Nystel | 4 | Son | — | Iowa |
| 9 | Einar M Lakang | 37 | Head | Farmer | Norway |
| 10 | Hansene O Lakang | 33 | Wife | — | Iowa |
| 11 | Hiram N Lakang | 9 | Son | — | Iowa |
| 12 | Ida B. A. Lakang | 7 | Daughter | — | Iowa |
| 13 | Elaine H Lakang | 5 | Daughter | — | Iowa |
| 14 | Loren L Lakang | 1 | Son | — | Iowa |
| 15 | Lloyd D Scholl | 27 | Head | Farmer | Iowa |
| 16 | Marietta Scholl | 24 | Wife | — | Iowa |
| 17 | Clyde D Scholl | 1 | Son | — | Iowa |
| 18 | Ole S Johnson THIS PERSON | 43 | Head | Farmer | Iowa |
| 19 | Sophia B. O Johnson | 43 | Wife | — | Iowa |
| 20 | Gladys M Johnson | 19 | Daughter | Office | Iowa |
| 21 | Donald A Johnson | 14 | Son | Farm | Iowa |
| 22 | Alvin S Johnson | 11 | Son | — | Iowa |
| 23 | Shirley A Johnson | 8 | Daughter | — | Iowa |
| 24 | Lorraine L Johnson | 6 | Daughter | — | Iowa |
| 25 | Jean R Johnson | 3 | Daughter | — | Iowa |
| 26 | Cynthia E Eabrew | 77 | Head | — | Iowa |
| 27 | John O Eabrew | 46 | Son | Farmer | Iowa |
| 28 | Ray J Eabrew | 43 | Son | Farmer | Iowa |
| 29 | Irene B Gordon | 40 | Housemaid | Housekeeper | Iowa |
| 30 | Norman T Vidal | 24 | Head | Farmer | Iowa |
| 31 | Amanda L. O Vidal | 23 | Wife | — | North Dakota |
| 32 | Lee N Vidal | 2 | Son | — | Iowa |
| 33 | Donald M. O Norgard | 22 | Head | Farmer | Iowa |
| 34 | Elenora L Norgard | 23 | Wife | — | South Dakota |
| 35 | Henry A Halvorson | 50 | Head | Farmer | Iowa |
| 36 | Anna A. O Halvorson | 44 | Wife | — | Iowa |
| 37 | Arthur H Halvorson | 16 | Son | Student | Iowa |
| 38 | Joanne L Halvorson | 14 | Daughter | Student | Iowa |
| 39 | Anna Mae Halvorson | 11 | Daughter | Student | Iowa |
| 40 | Bernard A Halvorson | 8 | Son | Student | Iowa |
Related Census Records
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)