OJ
Oscar Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Kossuth-County, Iowa
Our Model Tree links this Oscar Johnson across the 1920, 1930 and 1940 US Censuses in Kossuth-County, Iowa (XGBoost, ~Confirmed), with identified parents E & Amelia — first a head (b.~1900), then head of a 7-person household.
Age 40
b. ~1900
Male
Head
Born: Nebraska
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kossuth-County, Iowa |
| Surname | Johnson |
| Given Name | Oscar R |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Burt Township |
| 1935 Residence (County) | Kossuth |
| Additional Details | |
| Occupation | Farm operator |
| Industry | own general farm |
| Class of Worker | OA |
| Hours Worked | 72 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Occupation | Farm Operator |
| Township / Ward | Burt Township |
| Est. Birth Year | ~1900 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Oscar | Age | Birth yr |
|---|---|---|---|---|
| Arlis Johnson | Daughter | — | 2 | ~1938 |
| Renelda Johnson | Daughter | — | 10 | ~1930 |
| Oscar Johnson | Head | — | 40 | ~1900 |
| Victor Hulderstrom | Other | — | 57 | ~1883 |
| Nilo Johnson | Son | — | 12 | ~1928 |
| Arlen Johnson | Son | — | 2 | ~1938 |
| Helen Johnson | Spouse | — | 32 | ~1908 |
Census Appearances
1920
Kossuth, Iowa
Son, age 19
Kossuth, Iowa · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1930
Kossuth, Iowa
Head, age 30
Kossuth, Iowa · implied b. ~1900 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oscar R |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Nebraska |
| Age at First Marriage | 26 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Veteran | No |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Kossuth-County, Iowa
Head, age 40
Kossuth-County, Iowa · implied b. ~1900 — 7 household members
| Surname | Johnson |
| Given Name | Oscar R |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Burt Township |
| 1935 Residence (County) | Kossuth |
| Occupation | Farm operator |
| Industry | own general farm |
| Class of Worker | OA |
| Hours Worked | 72 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 Oscar Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father E Johnson (~0.92 confidence) and mother Amelia Johnson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
E Johnson
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Amelia Johnson
b. ~1864
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Johnson
Head · 1940 · age 40 · b. ~1900 · Iowa
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Kossuth-County, Iowa
Open full size
1940 US Federal Census — Kossuth-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01173-00225)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Grace Ackerman | 24 | Wife | — | Iowa |
| 42 | Janet L Ackerman | 3 | Daughter | — | Iowa |
| 43 | Ben S Frulcken|Frulchen | 50 | Hired man | Farm Hand | Germany |
| 44 | Frank C Wickman | 58 | Head | Farm Operator | Iowa |
| 45 | Marie C Wickman | 51 | Wife | — | Iowa |
| 46 | Herbert D Bond | 19 | Head | Farm Hand | Iowa |
| 47 | Laura J Bond | 16 | Wife | — | Iowa |
| 48 | Arlo J Enockson | 51 | Head | Farm Operator | Germany |
| 49 | Alice G Enockson | 47 | Wife | — | Iowa |
| 50 | Amiel Van Steenbury | 46 | Head | Farm Operator | Belgium |
| 51 | Clara Van Steenbury | 44 | Wife | — | Belgium |
| 52 | Anita M Van Steenbury | 18 | Daughter | — | Iowa |
| 53 | Mary B Van Steenbury | 16 | Daughter | — | Iowa |
| 54 | William Larsens | 34 | Head | Farm Operator | Iowa |
| 55 | Irene M Larsens | 34 | Wife | — | South Dakota |
| 56 | R. H. Butman | 67 | Head | Farm Operator | Illinois |
| 57 | Stella B Butman | 54 | Wife | — | Illinois |
| 58 | Ronald H Butman | 22 | Son | Farm Operator | Iowa |
| 59 | Oscar R Johnson THIS PERSON | 40 | Head | Farm Operator | Nebraska |
| 60 | Helen Johnson | 32 | Wife | — | Iowa |
| 61 | Nilo C Johnson | 12 | Son | — | Iowa |
| 62 | Renelda A Johnson | 10 | Daughter | — | Iowa |
| 63 | Arlen D Johnson | 2 | Son | — | Iowa |
| 64 | Arlis L Johnson | 2 | Daughter | — | Iowa |
| 65 | Victor Hulderstrom | 57 | H-furnish | Carpenter | Iowa |
| 66 | Alfred R Chafey | 43 | Head | Farm Operator | Iowa |
| 67 | Jessie E Chafey | 39 | Wife | — | England |
| 68 | Roland K Chafey | 17 | Son | — | Iowa |
| 69 | Roger H Chafey | 11 | Son | — | Iowa |
| 70 | George P Hancock | 43 | Head | Farm Operator | Iowa |
| 71 | Clara L Hancock | 44 | Wife | — | Iowa |
| 72 | Wallace P Hancock | 17 | Son | — | Iowa |
| 73 | Charles H Patterson | 55 | Head | Farm Operator | Iowa |
| 74 | Stella J Patterson | 54 | Wife | — | Iowa |
| 75 | Gardener A Patterson | 23 | Son | Teaching Fellowship | Iowa |
| 76 | Genevieve A Patterson | 22 | Daughter | Teaching Fellowship | Iowa |
| 77 | Verlene A Patterson | 19 | Daughter | — | Iowa |
| 78 | Russell E Patterson | 23 | Son | — | Iowa |
| 79 | Homer L Shipley | 26 | Head | Farm Hand | Iowa |
| 80 | Ella L Shipley | 20 | Wife | — | Iowa |
Pedigree Summary
Oscar
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)