DP
Dorothy Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Edmunds-County, South Dakota
Our Model Tree links this Dorothy Peterson across the 1930 and 1940 US Censuses in Edmunds-County, South Dakota (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 8-person household.
Age 18
b. ~1922
Female
Daughter
Born: South Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Edmunds-County, South Dakota |
| Surname | Peterson |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Adrian |
| 1935 Residence (County) | Edmunds |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Township / Ward | Adrian |
| 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 Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Elma Peterson | Spouse | — | 52 | ~1888 |
| Walter Peterson | Son | — | 21 | ~1919 |
| Richard Peterson | Son | — | 23 | ~1917 |
| Edna Peterson | Daughter | — | 11 | ~1929 |
| Inas Peterson | Daughter | — | 14 | ~1926 |
| Harold Peterson | Son | — | 10 | ~1930 |
| Charles Peterson | Head | — | 55 | ~1885 |
| Dorothy Peterson | Daughter | — | 18 | ~1922 |
Census Appearances
1930
Edmunds, South …
Daughter, age 7
Edmunds, South Dakota · implied b. ~1923 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petersen |
| Given Name | Dorothy J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Minnesota |
| Occupation | none |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1940
Edmunds-County, South …
Daughter, age 18
Edmunds-County, South Dakota · implied b. ~1922 — 8 household members
| Surname | Peterson |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Adrian |
| 1935 Residence (County) | Edmunds |
| Income (1939) | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| 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 Dorothy Peterson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Dorothy Peterson
Daughter · 1940 · age 18 · b. ~1922 · South Dakota
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Sibling
Walter Peterson
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Peterson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Inas Peterson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Peterson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Peterson
Sibling · 1940 · age 23
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 — Edmunds-County, South Dakota
Open full size
1940 US Federal Census — Edmunds-County, South Dakota
Page Contents
9 people indexed on this census page (nara:1940:m-t0627-03855-00205)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles Peterson | 55 | Head | Farmer | Illinois |
| 42 | Elma Peterson | 52 | Wife | — | Minnesota |
| 43 | Richard Peterson | 23 | Son | Farm Helper | South Dakota |
| 44 | Walter Peterson | 21 | Son | — | South Dakota |
| 45 | Dorothy Peterson THIS PERSON | 18 | Daughter | — | South Dakota |
| 46 | Inas Peterson | 14 | Daughter | — | South Dakota |
| 47 | Edna Peterson | 11 | Daughter | — | South Dakota |
| 48 | Harold Peterson | 10 | Son | — | South Dakota |
| 49 | Joe Edgington | 72 | Head | Farmer | Indiana |
Related Census Records
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)