PP
Peter Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Otter-Tail-County, Minnesota
Our Model Tree links this Peter Peterson across the 1910, 1920, 1930 and 1940 US Censuses in Otter-Tail-County, Minnesota (XGBoost, ~Confirmed), with identified parents John & Carrie — first a head (b.~1886), then head of a 5-person household.
Age 54
b. ~1886
Male
Head
Born: South Dakota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Otter-Tail-County, Minnesota |
| Surname | Peterson |
| Given Name | Peter S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Ottertail |
| Additional Details | |
| Occupation | Manager |
| Industry | Stock Farm |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 840 |
| Highest Grade | G 7 |
| 1935 Residence | Minnesota |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Occupation | Manager |
| Township / Ward | Lida Township |
| Est. Birth Year | ~1886 |
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 Peter | Age | Birth yr |
|---|---|---|---|---|
| Gladys Peterson | Daughter | — | 10 | ~1930 |
| Peter Peterson | Head | — | 54 | ~1886 |
| Vernon Peterson | Son | — | 19 | ~1921 |
| Howard Peterson | Son | — | 15 | ~1925 |
| Benena Peterson | Spouse | — | 49 | ~1891 |
Census Appearances
1910
Grant, Minnesota
Son, age 24
Grant, Minnesota · implied b. ~1886 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Peter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Laborer |
| Industry | Home farm |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1920
Otter Tail, …
Head, age 34
Otter Tail, Minnesota · implied b. ~1886 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Peter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | South Dakota |
| Naturalization Status | Naturalized |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Home Owned/Rented | R |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1930
Otter Tail, …
Head, age 44
Otter Tail, Minnesota · implied b. ~1886 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Peter S |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | South Dakota |
| Age at First Marriage | 32 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1940
Otter-Tail-County, Minnesota
Head, age 54
Otter-Tail-County, Minnesota · implied b. ~1886 — 5 household members
| Surname | Peterson |
| Given Name | Peter S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Ottertail |
| Occupation | Manager |
| Industry | Stock Farm |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 840 |
| Highest Grade | G 7 |
| 1935 Residence | Minnesota |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
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 Peter Peterson across 4 US Census years (1910, 1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father John Peterson (~0.92 confidence) and mother Carrie Peterson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Peterson
b. ~1852
Source father
● Household
· direct · ~0.92
Mother
Carrie Peterson
b. ~1857
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Peter Peterson
Head · 1940 · age 54 · b. ~1886 · Minnesota
★ 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 — Otter-Tail-County, Minnesota
Open full size
1940 US Federal Census — Otter-Tail-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01946-00168)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dillwynne Sundstrom | 3 | Son | — | Minnesota |
| 2 | George Newton | 45 | Head | Operator | Minnesota |
| 3 | Emilene Newton | 37 | Wife | — | Wisconsin |
| 4 | Richard Newton | 12 | Son | — | Minn |
| 5 | Leon Newton | 9 | Son | — | Minn |
| 6 | Eddie Newton | 43 | Brother | — | Minn |
| 7 | Eddie Erickson | 34 | Head | Operator | Minn |
| 8 | Laura Erickson | 31 | Wife | — | Minn |
| 9 | Lloyd Erickson | 7 | Son | — | Minn |
| 10 | Louis Erickson | 80 | Father | — | Norway |
| 11 | Enos Erickson | 54 | Brother | — | Minn |
| 12 | Edward Hasterman | 61 | Head | Operator | Minn |
| 13 | Albert Erickson | 32 | Farm Hand | Farm Hand | Minn |
| 14 | Irene Erickson | 19 | Housekeeper | Housekeeper | Minn |
| 15 | Leona Erickson | 3 | Farm Hand | — | Minn |
| 16 | Viola Erickson | 1 | Farm Hand | — | Minn |
| 17 | Marguerit Erickson | 0 | Daughter | — | Minn |
| 18 | Anton Erickson | 73 | Head | Operator | Sweden |
| 19 | Ole Brodalen | 42 | Head | Operator | Iowa |
| 20 | Melvin Brodalen | 33 | Brother | Operator | No Dak |
| 21 | Axel Brodalen | 30 | Brother | Operator | No Dak |
| 22 | Maria Brodalen | 64 | Mother | — | Norway |
| 23 | Peter S. Peterson THIS PERSON | 54 | Head | Manager | South Dakota |
| 24 | Benena Peterson | 49 | Wife | — | Minnesota |
| 25 | Vernon Peterson | 19 | Son | Caretaker | Minnesota |
| 26 | Howard Peterson | 15 | Son | — | Minnesota |
| 27 | Gladys Peterson | 10 | Daughter | — | Minnesota |
| 28 | John Sundstrom | 46 | Head | Operator | Minn |
| 29 | Carl E. Sundstrom | 44 | Brother | Operator | Minn |
| 30 | Anna Sundstrom | 79 | Mother | — | Sweden |
| 31 | Ben J. Frazer | 24 | Head | Trucking | Minn |
| 32 | Carl E. Frazer | 22 | Brother | Operator | Minn |
| 33 | Ben J. Frazer | 75 | Father | — | Illinois |
| 34 | Mada Frazer | 45 | Mother | — | Minnesota |
| 35 | Russ Strand | 51 | Head | Operator | So Dak |
| 36 | Sophia Strand | 59 | Sister | — | Iowa |
| 37 | Ellen Strand | 45 | Sister | — | Minn |
| 38 | Andrew Strand | 45 | Brother | Common Labor | Minn |
| 39 | Harry Hendrickson | 43 | Head | — | Nebraska |
| 40 | Delilah Hendrickson | 32 | Wife | — | Minn |
Pedigree Summary
Peter
Gen 1 · 2 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)