OJ
Oscar Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bayfield-County, Wisconsin
Our Model Tree links this Oscar Johnson across the 1910, 1920, 1930 and 1940 US Censuses in Bayfield-County, Wisconsin (XGBoost, ~Confirmed), with identified parents Otto & Otto — first a head (b.~1904), then head of a 7-person household.
Age 36
b. ~1904
Male
Head
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Bayfield-County, Wisconsin |
| Surname | Johnson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Washburn Township |
| 1935 Residence (County) | Bayfield |
| Additional Details | |
| Occupation | Laborer |
| Industry | Munitions Mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Laborer |
| Township / Ward | Washburn Township |
| Est. Birth Year | ~1904 |
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 |
|---|---|---|---|---|
| Mary Johnson | Daughter | — | ~1940 | |
| Audrey Johnson | Daughter | — | 10 | ~1930 |
| Oscar Johnson | Head | — | 36 | ~1904 |
| Paul Johnson | Son | — | 12 | ~1928 |
| Tom Johnson | Son | — | 5 | ~1935 |
| Larry Johnson | Son | — | 8 | ~1932 |
| Elsie Johnson | Spouse | — | 35 | ~1905 |
Census Appearances
1910
Bayfield, Wisconsin
Son, age 7
Bayfield, Wisconsin · implied b. ~1903 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Swed. Swedish |
| Mother's Birthplace | Swed. Swedish |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1920
Bayfield, Wisconsin
Son, age 17
Bayfield, Wisconsin · implied b. ~1903 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Laborer |
| Industry | Home Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Bayfield, Wisconsin
Son, age 27
Bayfield, Wisconsin · implied b. ~1903 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Grader operator |
| Industry | Road Construction |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Bayfield-County, Wisconsin
Head, age 36
Bayfield-County, Wisconsin · implied b. ~1904 — 7 household members
| Surname | Johnson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Washburn Township |
| 1935 Residence (County) | Bayfield |
| Occupation | Laborer |
| Industry | Munitions Mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Otto Johnson (~0.92 confidence) and father Otto Johnson (~0.92 confidence) and mother Emma Johnson (~0.92 confidence) and mother Emma Johnson (~0.92 confidence) and mother Emma Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Otto Johnson
b. ~1866
Source father
● Household
· direct · ~0.92
Father
Otto Johnson
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Emma Johnson
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Emma Johnson
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Emma Johnson
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Johnson
Head · 1940 · age 36 · b. ~1904 · Wisconsin
★ 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 — Bayfield-County, Wisconsin
Open full size
1940 US Federal Census — Bayfield-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04458-00486)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ida Jarvis | 30 | Wife | — | North Dakota |
| 2 | Arnold Jarvis | 1 | Son | — | Wisconsin |
| 3 | Nichola Geraldine Jarvis | 9 | Daughter | — | Wisconsin |
| 4 | Einar S. Steen | 35 | Head | Farmer | Wisconsin |
| 5 | Alice Steen | 33 | Wife | — | Wisconsin |
| 6 | John Steen | 2 | Son | — | Wisconsin |
| 7 | Carol Steen | 1 | Daughter | — | Wisconsin |
| 8 | Willard Knighton | 62 | Head | — | Maine |
| 9 | Ely Draper | 62 | Head | Farmer | New York |
| 10 | Lillian S. Draper | 59 | Wife | — | New York |
| 11 | Gust Soderstrom | 62 | Head | Farmer | Sweden |
| 12 | Nicholas Nelson | 40 | Head | Laborer | Wisconsin |
| 13 | Violet Nelson | 33 | Wife | — | Wisconsin |
| 14 | Shirley Nelson | 14 | Daughter | — | Wisconsin |
| 15 | George Nelson | 12 | Son | — | Wisconsin |
| 16 | Judith Nelson | 10 | Daughter | — | Wisconsin |
| 17 | Ingbert Soderstrom | 70 | Head | Farmer | Norway |
| 18 | Hilda Soderstrom | 70 | Wife | — | Sweden |
| 19 | Carl Rhenstrom | 45 | Hired Hand | Laborer | Wisconsin |
| 20 | Ole Arneson | 71 | Head | Farmer | Norway |
| 21 | Nellie Arneson | 74 | Wife | — | Wisconsin |
| 22 | Oscar Johnson THIS PERSON | 36 | Head | Laborer | Wisconsin |
| 23 | Elsie Johnson | 35 | Wife | — | Holland |
| 24 | Paul Johnson | 12 | Son | — | Wisconsin |
| 25 | Audrey Johnson | 10 | Daughter | — | Wisconsin |
| 26 | Larry Johnson | 8 | Son | — | Wisconsin |
| 27 | Tom Johnson | 5 | Son | — | Wisconsin |
| 28 | Mary Ellen Johnson | 0 | Daughter | — | Wisconsin |
| 29 | Samuel Thompson | 67 | Head | Farmer | Sweden |
| 30 | Alvin Huetting | 30 | Head | Laborer | Wisconsin |
| 31 | Elizabeth Huetting | 29 | Wife | — | Wisconsin |
| 32 | Bernard Huetting | 5 | Son | — | Wisconsin |
| 33 | Harlan Huetting | 4 | Son | — | Wisconsin |
| 34 | Donald Huetting | 2 | Son | — | Wisconsin |
| 35 | Erick Huetting | 75 | Father | — | Sweden |
| 36 | Carl Huetting | 44 | Head | Farmer | Wisconsin |
| 37 | Florence Huetting | 43 | Wife | — | Michigan |
| 38 | Lorna Huetting | 8 | Daughter | — | Michigan |
| 39 | Louella Huetting | 2 | Daughter | — | Michigan |
| 40 | Robert Vanderputten | 33 | Head | — | Holland |
Pedigree Summary
Oscar
Gen 1 · 5 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)