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Walter Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bayfield-County, Wisconsin
Our Model Tree links this Walter Nelson across the 1910, 1920, 1930 and 1940 US Censuses in Bayfield-County, Wisconsin (XGBoost, ~Confirmed), with identified parents Ole & Mary — first a head (b.~1906), then head of a 6-person household.
Age 34
b. ~1906
Male
Head
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Bayfield-County, Wisconsin |
| Surname | Nelson |
| Given Name | Walter |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Kelly Township |
| 1935 Residence (County) | Bayfield |
| Additional Details | |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 78 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Farming |
| Township / Ward | Kelly Township |
| Est. Birth Year | ~1906 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Walter | Age | Birth yr |
|---|---|---|---|---|
| Walter Nelson | Head | — | 34 | ~1906 |
| Clarence Ahlers | Other | — | 26 | ~1914 |
| Daniel Nelson | Son | — | 2 | ~1938 |
| Jimmie Nelson | Son | — | 3 | ~1937 |
| Robert Nelson | Son | — | 5 | ~1935 |
| Ethel Nelson | Spouse | — | 28 | ~1912 |
Census Appearances
1910
Bayfield, Wisconsin
Son, age 5
Bayfield, Wisconsin · implied b. ~1905 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Norway |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1920
Bayfield, Wisconsin
Son, age 14
Bayfield, Wisconsin · implied b. ~1906 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Walter R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Wisconsin |
| Occupation | Farm labor |
| 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 24
Bayfield, Wisconsin · implied b. ~1906 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Walter R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Age at First Marriage | NP |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Norway |
| Occupation | Farm Laborer |
| Industry | General Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Bayfield-County, Wisconsin
Head, age 34
Bayfield-County, Wisconsin · implied b. ~1906 — 6 household members
| Surname | Nelson |
| Given Name | Walter |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Kelly Township |
| 1935 Residence (County) | Bayfield |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 78 |
| Income (1939) | 0 |
| 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 Walter Nelson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ole Nelson (~0.92 confidence) and mother Mary Nelson (~0.92 confidence) and father Axel Nelson (~0.92 confidence) and father Axel Nelson (~0.92 confidence) and mother Marie Nelson (~0.92 confidence) and mother Mary Nelson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ole Nelson
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Mary Nelson
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
Axel Nelson
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Axel Nelson
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Marie Nelson
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Mary Nelson
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Nelson
Head · 1940 · age 34 · b. ~1906 · 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
31 people indexed on this census page (nara:1940:m-t0627-04458-00250)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ruth Nelson | 30 | wife | — | Wisconsin |
| 2 | Thomas Nelson | 4 | son | — | Wisconsin |
| 3 | George J. Nelson | 0 | son | — | Wisconsin |
| 4 | Oliver Johnson | 48 | hired hand | Farm Hand | Wisconsin |
| 5 | Walter Nelson THIS PERSON | 34 | head | Farming | Wisconsin |
| 6 | Ethel Nelson | 28 | wife | — | Wisconsin |
| 7 | Robert Nelson | 5 | son | — | Wisconsin |
| 8 | Jimmie Nelson | 3 | son | — | Wisconsin |
| 9 | Daniel Nelson | 2 | son | — | Wisconsin |
| 10 | Clarence Ahlers | 26 | hired hand | Farm Hand | Wisconsin |
| 11 | Elias B. Grande | 67 | head | Farming | Norway |
| 12 | Sena Grande | 63 | wife | — | Norway |
| 13 | Peter A. Provost | 56 | head | Farming | Wisconsin |
| 14 | Anna Provost | 76 | wife | — | Wisconsin |
| 15 | Patricia Provost | 19 | daughter | — | Minnesota |
| 16 | Robert Provost | 15 | son | — | Minnesota |
| 17 | Elizabeth Provost | 13 | daughter | — | Minnesota |
| 18 | Gertrude Provost | 12 | daughter | — | Minnesota |
| 19 | Kenneth Provost | 10 | son | — | Wisconsin |
| 20 | Walter Provost | 8 | son | — | Wisconsin |
| 21 | Francis Bonneville | 36 | head | Trucking | Wisconsin |
| 22 | Martha E. Bonneville | 39 | wife | — | Wisconsin |
| 23 | William E. Dodge | 15 | step son | — | Wisconsin |
| 24 | Harold Dodge | 6 | step son | — | Oregon |
| 25 | Francis Jr. Bonneville | 1 | son | — | Wisconsin |
| 26 | Fidel Bonneville | 0 | son | — | Wisconsin |
| 27 | Alice Mccauley | 56 | head | Labour | Wisconsin |
| 28 | Mavis Mccauley | 23 | wife | — | Wisconsin |
| 29 | Alice C. Mccauley | 0 | daughter | — | Wisconsin |
| 30 | Engborg Swanson | 68 | head | — | Sweden |
| 31 | Clarence E. Swanson | 27 | son | Farm Hand | Wisconsin |
Related Census Records
Pedigree Summary
Walter
Gen 1 · 6 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)