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 Edward & Julius — first a son (b.~1917), then head of a 6-person household.
Age 23
b. ~1917
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ramsey-County, Minnesota |
| Surname | Peterson |
| Given Name | Walter R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul city |
| 1935 Residence (County) | Ramsey |
| Additional Details | |
| Occupation | Salesman |
| Industry | Retail Liquor Store |
| Class of Worker | PW |
| Hours Worked | 62 |
| Income (1939) | 750 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Salesman |
| Township / Ward | St Paul City |
| Est. Birth Year | ~1917 |
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 |
|---|---|---|---|---|
| Anton Swanson | Other | — | 53 | ~1887 |
| Helen Peterson | Daughter | — | 18 | ~1922 |
| Elsie Peterson | Daughter | — | 21 | ~1919 |
| Duane Peterson | Son | — | 9 | ~1931 |
| Walter Peterson | Son | — | 23 | ~1917 |
| Betty Peterson | Head | — | 54 | ~1886 |
Census Appearances
1920
Ramsey, Minnesota
Son, age 2
Ramsey, Minnesota · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| 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 13
Ramsey, Minnesota · implied b. ~1917 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Walter E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Ramsey-County, Minnesota
Son, age 23
Ramsey-County, Minnesota · implied b. ~1917 — 6 household members
| Surname | Peterson |
| Given Name | Walter R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul city |
| 1935 Residence (County) | Ramsey |
| Occupation | Salesman |
| Industry | Retail Liquor Store |
| Class of Worker | PW |
| Hours Worked | 62 |
| Income (1939) | 750 |
| Highest Grade | H-2 |
| 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 Edward Peterson (~0.92 confidence) and father Julius Peterson (~0.92 confidence) and mother Betty Peterson (~0.92 confidence) and mother Mathilda Peterson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Peterson
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Julius Peterson
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Betty Peterson
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Mathilda Peterson
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Peterson
Son · 1940 · age 23 · b. ~1917 · Minnesota
★ You are viewing this record
Sibling
Duane Peterson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elsie Peterson
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Peterson
Sibling · 1940 · age 18
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
40 people indexed on this census page (nara:1940:m-t0627-01995-00825)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Orville Paulson | 11 | Son | — | Minnesota |
| 42 | Claremont Paulson | 9 | Son | — | Minnesota |
| 43 | James R Lodge | 23 | Head | Laboratory Technician | Minnesota |
| 44 | Jean J Lodge | 20 | Wife | — | Minnesota |
| 45 | Betty C Peterson | 54 | Head | — | Sweden |
| 46 | Walter R Peterson THIS PERSON | 23 | Son | Salesman | Minnesota |
| 47 | Elsie V Peterson | 21 | Daughter | Clerk | Minnesota |
| 48 | Helen M Peterson | 18 | Daughter | Servant | Minnesota |
| 49 | Duane A Peterson | 9 | Son | — | Minnesota |
| 50 | Anton A Swanson | 53 | Lodger | Handyman | Sweden |
| 51 | Carl J Johnson | 50 | Head | Carpenter | South Dakota |
| 52 | Nora O Johnson | 51 | Wife | — | Minnesota |
| 53 | Verna Johnson | 20 | Daughter | New Worker | Minnesota |
| 54 | Ole N Skolas | 85 | Father-in-law | — | Wisconsin |
| 55 | Clifford J Stralstrom | 31 | Head | Laborer | Minnesota |
| 56 | Theresa A Stralstrom | 30 | Wife | — | Minnesota |
| 57 | Dawn Stralstrom | 6 | Daughter | — | Minnesota |
| 58 | Joseph Kartarik | 41 | Head | Machinist | Czechoslovakia |
| 59 | Vlasta Kartarik | 37 | Wife | — | Czechoslovakia |
| 60 | Henry Kartarik | 19 | Son | — | Czechoslovakia |
| 61 | Elsie A Kartarik | 18 | Daughter | — | Wisconsin |
| 62 | Marie M Kartarik | 15 | Daughter | — | Wisconsin |
| 63 | Vera F Kartarik | 12 | Daughter | — | Wisconsin |
| 64 | Betty A Kartarik | 11 | Daughter | — | Minnesota |
| 65 | John J Kartarik | 4 | Son | — | Minnesota |
| 66 | Robert J Kartarik | 2 | Son | — | Minnesota |
| 67 | Thomas G Kartarik | 2 | Son | — | Minnesota |
| 68 | Anna Unzeitig | 65 | Mother-in-law | — | Czechoslovakia |
| 69 | — | None | — | — | — |
| 70 | Oscar S Whall | 30 | Head | Laborer | Minnesota |
| 71 | Guila Whall | 34 | Wife | — | Minnesota |
| 72 | Earl R Whall | 12 | Son | — | Minnesota |
| 73 | Norman Whall | 5 | Son | — | Minnesota |
| 74 | Carrie Quarve | 69 | Mother-in-law | — | Norway |
| 75 | Carl V Brown | 34 | Head | Proprietor | Iowa |
| 76 | Wilma Brown | 31 | Wife | — | Iowa |
| 77 | Marvin Brown | 9 | Son | — | Wisconsin |
| 78 | Joseph Hatherton | 53 | Father-in-law | Sheet Metal Worker | Iowa |
| 79 | Albert F Hansen | 55 | Head | Traveling Salesman | Sweden |
| 80 | Minnie A Hansen | 40 | Wife | — | Minnesota |
Pedigree Summary
Walter + 3 siblings
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)