WP
Walter Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ramsey-County, Minnesota
Our Model Tree links this Walter Peterson across the 1920, 1930 and 1940 US Censuses in Ramsey-County, Minnesota (XGBoost, ~Confirmed), with identified parents Herman & Herman — first a son (b.~1914), then head of a 5-person household.
Age 26
b. ~1914
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ramsey-County, Minnesota |
| Surname | Peterson |
| Given Name | Walter C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul City |
| 1935 Residence (County) | Ramsey |
| Additional Details | |
| Occupation | helper on porcelain baking oven |
| Industry | Refrigerator Manufacture |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | Hs 8 |
| 1935 Residence | Same Place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Helper On Porcelain Baking Oven |
| Township / Ward | St Paul City |
| Est. Birth Year | ~1914 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Walter | Age | Birth yr |
|---|---|---|---|---|
| Theodore Anderson | Other | — | 49 | ~1891 |
| Herman Peterson | Head | — | 59 | ~1881 |
| Doris Peterson | Daughter | — | 17 | ~1923 |
| Walter Peterson | Son | — | 26 | ~1914 |
| Hanna Peterson | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Ramsey, Minnesota
Son, age 6
Ramsey, Minnesota · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Walter K.R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Ramsey, Minnesota
Son, age 16
Ramsey, Minnesota · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Ramsey-County, Minnesota
Son, age 26
Ramsey-County, Minnesota · implied b. ~1914 — 5 household members
| Surname | Peterson |
| Given Name | Walter C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul City |
| 1935 Residence (County) | Ramsey |
| Occupation | helper on porcelain baking oven |
| Industry | Refrigerator Manufacture |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | Hs 8 |
| 1935 Residence | Same Place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Herman Peterson (~0.92 confidence) and father Herman Peterson (~0.92 confidence) and mother Hanna Peterson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Herman Peterson
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Herman Peterson
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Hanna Peterson
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Peterson
Son · 1940 · age 26 · b. ~1914 · Minnesota
★ You are viewing this record
Sibling
Doris Peterson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Ramsey-County, Minnesota
Open full size
1940 US Federal Census — Ramsey-County, Minnesota
Page Contents
22 people indexed on this census page (nara:1940:m-t0627-01994-00542)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Katherine Viola Primpli | 14 | Daughter | — | Minnesota |
| 2 | Rosemary Primpli | 12 | Daughter | — | Minnesota |
| 3 | Daniel Primpli | 10 | Son | — | Minnesota |
| 4 | Elizabeth Jane Primpli | 8 | Daughter | — | Minnesota |
| 5 | Fred Jr. Primpli | 6 | Son | — | Minnesota |
| 6 | Emil M. Dehline | 30 | Head | Handyman | Minnesota |
| 7 | Jennie Dehline | 35 | Wife | — | Minnesota |
| 8 | Luverne Dehline | 2 | Son | — | Wisconsin |
| 9 | Johanna Dehline | 73 | Mother | — | Sweden |
| 10 | Sam Monda | 50 | Head | Section Hand | Italy |
| 11 | Antoinette G. Monda | 40 | Wife | — | Italy |
| 12 | Gust J. Monda | 19 | Son | Laborer | Minnesota |
| 13 | Romolo J. Monda | 18 | Son | Laborer | Minnesota |
| 14 | James Monda | 17 | Son | Printer'S Helper | Minnesota |
| 15 | Theresa Monda | 16 | Daughter | Library Worker | Minnesota |
| 16 | Herman A. Peterson | 59 | Head | Plasterer | Sweden |
| 17 | Hanna E. Peterson | 51 | Wife | — | Sweden |
| 18 | Walter C. Peterson THIS PERSON | 26 | Son | Helper On Porcelain Baking Oven | Minnesota |
| 19 | Doris M. Peterson | 17 | Daughter | — | Minnesota |
| 20 | Theodore H. Anderson | 49 | Boarder | Plasterer | Minnesota |
| 21 | Patrick Marion | 49 | Head | Oil & Grease Painter | Italy |
| 22 | Anna A. Marion | 39 | Wife | — | Italy |
Pedigree Summary
Walter + 1 sibling
Gen 1 · 3 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)