MP
Margaret Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Pennington-County, Minnesota
Our Model Tree links this Margaret Peterson across the 1930 and 1940 US Censuses in Pennington-County, Minnesota (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 8-person household.
Age 18
b. ~1922
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Pennington-County, Minnesota |
| Surname | Peterson |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Pennington |
| Additional Details | |
| Occupation | Saleswoman |
| Industry | Retail Dept. Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 200 |
| Highest Grade | H 4 |
| 1935 Residence | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Saleswoman |
| Township / Ward | Thief River Falls City |
| Est. Birth Year | ~1922 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| James Peterson | Son | — | 9 | ~1931 |
| Eli Peterson | Head | — | 50 | ~1890 |
| Robert Peterson | Son | — | 13 | ~1927 |
| Raymond Peterson | Son | — | 20 | ~1920 |
| Jeanette Peterson | Daughter | — | 16 | ~1924 |
| Iris Peterson | Daughter | — | 15 | ~1925 |
| Mable Peterson | Spouse | — | 43 | ~1897 |
| Margaret Peterson | Daughter | — | 18 | ~1922 |
Census Appearances
1930
Pennington, Minnesota
Daughter, age 7
Pennington, Minnesota · implied b. ~1923 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Patterson |
| Given Name | Margaret P. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | New York State |
| Mother's Birthplace | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Pennington-County, Minnesota
Daughter, age 18
Pennington-County, Minnesota · implied b. ~1922 — 8 household members
| Surname | Peterson |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Pennington |
| Occupation | Saleswoman |
| Industry | Retail Dept. Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 200 |
| Highest Grade | H 4 |
| 1935 Residence | Minnesota |
| 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 Margaret Peterson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Peterson
Daughter · 1940 · age 18 · b. ~1922 · Minnesota
★ You are viewing this record
Sibling
Iris Peterson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Peterson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Peterson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jeanette Peterson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Peterson
Sibling · 1940 · age 13
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 — Pennington-County, Minnesota
Open full size
1940 US Federal Census — Pennington-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01947-00276)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry Tummerscheidt | 54 | Head | Potato Grader | Minnesota |
| 2 | Tillie Tummerscheidt | 54 | Wife | — | Minnesota |
| 3 | Benjamin Tummerscheidt | 26 | Son | Potato Grader | Minnesota |
| 4 | Frank Hoover | 22 | Lodger | Potato Grader | Minnesota |
| 5 | Grant Wald | 22 | Head | Truck Driver | Minnesota |
| 6 | Henrietta Wald | 24 | Wife | — | Minnesota |
| 7 | Eli Peterson | 50 | Head | Laborer | Minnesota |
| 8 | Mable Peterson | 43 | Wife | — | Minnesota |
| 9 | Raymond Peterson | 20 | Son | New Worker | Minnesota |
| 10 | Margaret Peterson THIS PERSON | 18 | Daughter | Saleswoman | Minnesota |
| 11 | Jeanette Peterson | 16 | Daughter | — | Minnesota |
| 12 | Iris Peterson | 15 | Daughter | — | Minnesota |
| 13 | Robert Peterson | 13 | Son | — | Minnesota |
| 14 | James Peterson | 9 | Son | — | Minnesota |
| 15 | John Strand | 46 | Head | Carpenter | Norway |
| 16 | Palma Strand | 34 | Wife | — | Minnesota |
| 17 | Elaine Strand | 16 | Daughter | — | Minnesota |
| 18 | Bernice Strand | 15 | Daughter | — | Minnesota |
| 19 | Lillian Strand | 13 | Daughter | — | Minnesota |
| 20 | Lorene Strand | 12 | Son | — | Minnesota |
| 21 | Virginia Mae Strand | 10 | Daughter | — | Minnesota |
| 22 | Betty Jean Strand | 9 | Daughter | — | Minnesota |
| 23 | Richard Strand | 6 | Son | — | Minnesota |
| 24 | Clifford Strand | 1 | Son | — | Minnesota |
| 25 | Bernt Johnson | 84 | Head | — | Norway |
| 26 | Oliver Helmer | 49 | Head | Truck Driver | North Dakota |
| 27 | Ann Helmer | 45 | Wife | — | Minnesota |
| 28 | Olive Helmer | 20 | Daughter | Clerk | Minnesota |
| 29 | Marion Helmer | 18 | Daughter | — | Minnesota |
| 30 | Adeline Helmer | 15 | Daughter | — | Minnesota |
| 31 | Eileen Helmer | 11 | Daughter | — | Minnesota |
| 32 | Arthur Belland | 65 | Head | — | Canada |
| 33 | Emily Belland | 57 | Wife | — | Canada |
| 34 | Omer Belland | 30 | Son | — | Minnesota |
| 35 | Lester Laurent | 28 | Head | Laborer | North Dakota |
| 36 | Neta Laurent | 28 | Wife | — | Minnesota |
| 37 | Donald Laurent | 5 | Son | — | Minnesota |
| 38 | Yvonne Laurent | 3 | Daughter | — | Minnesota |
| 39 | Edward Belland | 36 | Head | Mechanic | Minnesota |
| 40 | Cecile Belland | 41 | Wife | — | Minnesota |
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)