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Paul Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Phillips-County, Montana
Our Model Tree links this Paul Peterson across the 1920, 1930 and 1940 US Censuses in Phillips-County, Montana (XGBoost, ~Confirmed), with identified parents A & Axel — first a son (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Male
Son
Born: Montana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Phillips-County, Montana |
| Surname | Peterson |
| Given Name | Paul |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | School District 31 Harb |
| 1935 Residence (County) | Phillips |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Occupation | Farmer |
| Township / Ward | School District 31 Harb |
| Est. Birth Year | ~1915 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Paul | Age | Birth yr |
|---|---|---|---|---|
| Paul Peterson | Son | — | 25 | ~1915 |
| A Peterson | Head | — | 57 | ~1883 |
| Pauline Peterson | Spouse | — | 52 | ~1888 |
| Helen Bruckner | Other | — | 12 | ~1928 |
Census Appearances
1920
Phillips, Montana
Son, age 5
Phillips, Montana · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Paul M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1930
Phillips, Montana
Son, age 15
Phillips, Montana · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Paul W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1940
Phillips-County, Montana
Son, age 25
Phillips-County, Montana · implied b. ~1915 — 4 household members
| Surname | Peterson |
| Given Name | Paul |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | School District 31 Harb |
| 1935 Residence (County) | Phillips |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
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 Paul Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father A Peterson (~0.92 confidence) and father Axel Peterson (~0.92 confidence) and father William Peterson (~0.92 confidence) and mother Caroline Peterson (~0.92 confidence) and mother Paulina Peterson (~0.92 confidence) and mother Pauline Peterson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
A Peterson
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Axel Peterson
b. ~1883
Source father
● Household
· direct · ~0.92
Father
William Peterson
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Caroline Peterson
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Paulina Peterson
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Pauline Peterson
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Paul Peterson
Son · 1940 · age 25 · b. ~1915 · Montana
★ 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 — Phillips-County, Montana
Open full size
1940 US Federal Census — Phillips-County, Montana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02226-01080)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Willie A. O. Powell | 48 | Head | Farmer | Texas |
| 2 | Barbara Powell | 32 | Wife | — | Canada Eng |
| 3 | Fay H. Powell | 13 | Daughter | — | Montana |
| 4 | June W. Powell | 10 | Daughter | — | Montana |
| 5 | Vivian J. Powell | 6 | Daughter | — | Montana |
| 6 | Jonas O. Undheim | 49 | Head | Farmer | Norway |
| 7 | Malmfrid Undheim | 49 | Wife | — | Norway |
| 8 | Gudrun Undheim | 24 | Daughter | Teacher | Montana |
| 9 | Harold Undheim | 22 | Son | — | Montana |
| 10 | Margret Undheim | 21 | Daughter | — | Montana |
| 11 | Violet Undheim | 14 | Daughter | — | Montana |
| 12 | Marilyn Undheim | 5 | Daughter | — | Montana |
| 13 | Charles H. O. Hales | 63 | Head | Rancher | Canada Eng |
| 14 | Cora C. Hales | 68 | Wife | — | Ohio |
| 15 | Clay M. Hales | 26 | Son | Rancher | Montana |
| 16 | Lilly Hales | 27 | Daughter-in-law | — | Montana |
| 17 | Cora M. Hales | 1 | Granddaughter | — | Montana |
| 18 | L. William Nelson | 49 | Head | Herder | West Virginia |
| 19 | A. William Peterson | 57 | Head | Farmer | Sweden |
| 20 | Pauline Peterson | 52 | Wife | — | Sweden |
| 21 | Paul Peterson THIS PERSON | 25 | Son | Farmer | Montana |
| 22 | Helen Bruckner | 12 | Lodger | — | Montana |
| 23 | C. Joe Kang | 29 | Head | Farmer | North Dakota |
| 24 | Ruth Kang | 24 | Wife | — | Montana |
| 25 | Betty Lou Kang | 5 | Daughter | — | Montana |
| 26 | Marcia Marie Kang | 1 | Daughter | — | Montana |
| 27 | Joe Jr. Kang | 0 | Son | — | Montana |
| 28 | Emma Tank | 17 | Hired girl | Servant | Montana |
| 29 | Seth Brooker | 15 | Lodger | — | Montana |
| 30 | Harry P. Hunter | 50 | Head | Farmer | Nebraska |
| 31 | John Hunter | 80 | Head | Farmer | Pennsylvania |
| 32 | Nancy Hunter | 78 | Wife | — | Iowa |
| 33 | Earl E. Porter | 46 | Head | Farmer | Missouri |
| 34 | Edward A. Porter | 23 | Son | — | Montana |
| 35 | Frank Hohman | 75 | Head | Farmer | Iowa |
| 36 | Ray Hauger | 32 | Man | Farm Laborer | Illinois |
| 37 | Arthur Brumm | 60 | Head | Farmer | Minnesota |
| 38 | Lester Benson | 29 | Hired man | Farm Laborer | North Dakota |
| 39 | Enever Benson | 23 | Cook | Cook | Minnesota |
| 40 | Jack Bruckner | 48 | Head | Farmer | Iowa |
Pedigree Summary
Paul
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)