WP
Walter Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Waupaca-County, Wisconsin
Our Model Tree links this Walter Peterson across the 1920, 1930 and 1940 US Censuses in Waupaca-County, Wisconsin (XGBoost, ~Confirmed), with identified parents Chris & Chris — first a head (b.~1912), then head of a 3-person household.
Age 28
b. ~1912
Male
Head
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Waupaca-County, Wisconsin |
| Surname | Peterson |
| Given Name | Walter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Waupun |
| 1935 Residence (County) | Fond du Lac |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 80 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Farmer |
| Township / Ward | Harrison Township |
| Est. Birth Year | ~1912 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Walter | Age | Birth yr |
|---|---|---|---|---|
| Walter Peterson | Head | — | 28 | ~1912 |
| Ernest Peterson | Son | — | 2 | ~1938 |
| Blanche Peterson | Spouse | — | 20 | ~1920 |
Census Appearances
1920
Waupaca, Wisconsin
Son, age 8
Waupaca, Wisconsin · implied b. ~1912 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petersen |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Danish |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Waupaca, Wisconsin
Son, age 18
Waupaca, Wisconsin · implied b. ~1912 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Waupaca-County, Wisconsin
Head, age 28
Waupaca-County, Wisconsin · implied b. ~1912 — 3 household members
| Surname | Peterson |
| Given Name | Walter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Waupun |
| 1935 Residence (County) | Fond du Lac |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 80 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Wisconsin |
| 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 Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Chris Peterson (~0.92 confidence) and father Chris Petersen (~0.92 confidence) and mother Laura Peterson (~0.92 confidence) and mother Thyra Petersen (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Chris Peterson
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Chris Petersen
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Laura Peterson
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Thyra Petersen
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Peterson
Head · 1940 · age 28 · b. ~1912 · 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 — Waupaca-County, Wisconsin
Open full size
1940 US Federal Census — Waupaca-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04535-00324)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Son Alpine | None | M | Farm | — |
| 42 | Paul A. Brandt | 32 | Head | Farmer | Wisconsin |
| 43 | Thelma Brandt | 24 | Wife | — | Wisconsin |
| 44 | Oscar Loberg | 44 | Head | Farmer | Wisconsin |
| 45 | Marie Loberg | 45 | Wife | — | Germany |
| 46 | Gladys Loberg | 20 | Daughter | — | Wisconsin |
| 47 | Evelyn Loberg | 4 | Daughter | — | Wisconsin |
| 48 | Louis Marksteiner | 15 | Hired hand | — | Germany |
| 49 | Lester Lurwald | 28 | Head | Farmer | Wisconsin |
| 50 | Elna D. Lurwald | 24 | Wife | — | Wisconsin |
| 51 | Donald Lurwald | 4 | Son | — | Wisconsin |
| 52 | Joan Lurwald | 1 | Daughter | — | Wisconsin |
| 53 | Bella S. Anderson | 65 | Head | — | Norway |
| 54 | Irving Anderson | 26 | Son | Laborer | Wisconsin |
| 55 | Florence Anderson | 38 | Daughter | — | Wisconsin |
| 56 | Leonard Anderson | 11 | Son | Laborer | Wisconsin |
| 57 | Chester Anderson | 22 | Son | — | Wisconsin |
| 58 | Lawrence Eckstein | 26 | Head | Laborer | Wisconsin |
| 59 | Evelyn M. Eckstein | 27 | Wife | — | Wisconsin |
| 60 | Betty E. Eckstein | 7 | Daughter | — | Wisconsin |
| 61 | James E. Eckstein | 3 | Son | — | Wisconsin |
| 62 | Marcia E. Eckstein | 0 | Daughter | — | Wisconsin |
| 63 | Michael Larson | 53 | Head | Farmer | Wisconsin |
| 64 | Ethel S. Larson | 51 | Wife | — | Wisconsin |
| 65 | Allen Larson | 18 | Son | Laborer | Wisconsin |
| 66 | Lynford Larson | 15 | Son | Laborer | Wisconsin |
| 67 | Robert Larson | 12 | Son | — | Wisconsin |
| 68 | Mary S. Hanson | 65 | Head | — | Norway |
| 69 | Julian S. Hanson | 34 | Son | Laborer | Wisconsin |
| 70 | Martin E. Nielsen | 51 | Head | Farmer | Wisconsin |
| 71 | Hazel Nielsen | 27 | Wife | — | Wisconsin |
| 72 | Yvonne Nielsen | 3 | Daughter | — | Wisconsin |
| 73 | Walter Peterson THIS PERSON | 28 | Head | Farmer | Wisconsin |
| 74 | Blanche Peterson | 20 | Wife | — | Wisconsin |
| 75 | Ernest Peterson | 2 | Son | — | Wisconsin |
| 76 | Carl Anderson | 85 | Head | Laborer | Sweden |
| 77 | August Alsay | 72 | Head | Farmer | Wisconsin |
| 78 | Hattie Alsay | 74 | Wife | — | Norway |
| 79 | Albert Johnson | 61 | Head | Laborer | Wisconsin |
| 80 | Dora S. Johnson | 54 | Wife | — | Norway |
Related Census Records
Pedigree Summary
Walter
Gen 1 · 4 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)