EP
Ethel Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kandiyohi-County, Minnesota
Our Model Tree links this Ethel Peterson across the 1930 and 1940 US Censuses in Kandiyohi-County, Minnesota (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 6-person household.
Age 13
b. ~1927
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kandiyohi-County, Minnesota |
| Surname | Peterson |
| Given Name | Ethel M |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Kandiyohi |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Willmar Township |
| Est. Birth Year | ~1927 |
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 Ethel | Age | Birth yr |
|---|---|---|---|---|
| Kenneth Peterson | Son | — | 8 | ~1932 |
| Dennis Peterson | Son | — | 1 | ~1939 |
| Ethel Peterson | Daughter | — | 13 | ~1927 |
| Clara Peterson | Spouse | — | 37 | ~1903 |
| Dorothy Peterson | Daughter | — | 15 | ~1925 |
| Harriet Peterson | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Kandiyohi, Minnesota
Daughter, age 3
Kandiyohi, Minnesota · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Ethel M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Minnesota |
| Can Read/Write | No |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Kandiyohi-County, Minnesota
Daughter, age 13
Kandiyohi-County, Minnesota · implied b. ~1927 — 6 household members
| Surname | Peterson |
| Given Name | Ethel M |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Kandiyohi |
| Income (1939) | 0 |
| Highest Grade | 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 Ethel Peterson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ethel Peterson
Daughter · 1940 · age 13 · b. ~1927 · Minnesota
★ You are viewing this record
Sibling
Dorothy Peterson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dennis Peterson
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Peterson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harriet Peterson
Sibling · 1940 · age 14
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 — Kandiyohi-County, Minnesota
Open full size
1940 US Federal Census — Kandiyohi-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01930-00735)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clara Peterson | 37 | wife | — | Minnesota |
| 2 | Dorothy A Peterson | 15 | daughter | — | Minnesota |
| 3 | Harriet Peterson | 14 | daughter | — | Minnesota |
| 4 | Ethel M Peterson THIS PERSON | 13 | daughter | — | Minnesota |
| 5 | Kenneth J Peterson | 8 | son | — | Minnesota |
| 6 | Dennis E Peterson | 1 | son | — | Minnesota |
| 7 | Andrew T Priddy | 40 | head | Solicitor | Minnesota |
| 8 | Edith M Priddy | 43 | wife | — | Minnesota |
| 9 | Albert W Sjoberg | 64 | head | Farmer | Minnesota |
| 10 | Alma W Sjoberg | 51 | wife | — | Minnesota |
| 11 | Le Roy W Sjoberg | 31 | son | Farmer | Minnesota |
| 12 | Vernon C Sjoberg | 28 | son | Trucker | Minnesota |
| 13 | Gothard C Sjoberg | 26 | son | Farmer | Minnesota |
| 14 | Orvin W Sjoberg | 24 | son | Farmer | Minnesota |
| 15 | Russell C Sjoberg | 17 | son | Farmer | Minnesota |
| 16 | Ruben D Sjoberg | 14 | son | — | Minnesota |
| 17 | Nels A Rosenquist | 56 | head | Stock Feeder | Sweden |
| 18 | Marie Rosenquist | 64 | wife | — | Sweden |
| 19 | Mildred Nelson | 20 | son | — | Minnesota |
| 20 | Reuben Nelson | 38 | head | Farmer | Minnesota |
| 21 | Dorothy M Nelson | 25 | wife | — | Nebraska |
| 22 | Duane A Nelson | 3 | son | — | Minnesota |
| 23 | Urban L Nelson | 21 | hired man | Hired Man | So Dakota |
| 24 | August Dinnebore | 62 | head | Farmer | Illinois |
| 25 | Minnie A Dinnebore | 58 | wife | — | Wisconsin |
| 26 | Arman A Dinnebore | 25 | son | Farmer | Wisconsin |
| 27 | Reuben M Dinnebore | 23 | son | Farmer | Minnesota |
| 28 | Herbert C Dinnebore | 21 | son | Farmer | Minnesota |
| 29 | Laura A Dinnebore | 18 | daughter | — | Minnesota |
| 30 | Walter W Dinnebore | 16 | son | — | Minnesota |
| 31 | Forrest D Mattson | 52 | head | Farmer | Minnesota |
| 32 | Josephine Mattson | 52 | wife | — | Minnesota |
| 33 | Charles W Mattson | 30 | son | Farmer | Minnesota |
| 34 | Stephen W Mattson | 42 | brother | Farmer | Minnesota |
| 35 | Irene Steane | 18 | maid | Maid | Minnesota |
| 36 | Lloyd E Johnson | 23 | head | Farmer | Minnesota |
| 37 | Hazel R Johnson | 20 | wife | — | Minnesota |
| 38 | Roger A Johnson | 2 | son | — | Minnesota |
| 39 | Otto C Oveson | 67 | hired man | Hired Man | Norway |
| 40 | Arnold H Johnson | 50 | father | Fireman | 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)