EP
Elizabeth Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Powder-River-County, Montana
Our Model Tree links this Elizabeth Peterson across the 1920, 1930 and 1940 US Censuses in Powder-River-County, Montana (XGBoost, ~Confirmed) — first a spouse (b.~1896), then head of a 4-person household.
Age 44
b. ~1896
Female
Spouse
Born: South Dakota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Powder-River-County, Montana |
| Surname | Peterson |
| Given Name | Elizabeth A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (City) | School district 84 |
| 1935 Residence (County) | Powder River |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 8 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Township / Ward | School District 84 |
| Est. Birth Year | ~1896 |
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 Elizabeth | Age | Birth yr |
|---|---|---|---|---|
| Helen Peterson | Daughter | — | 14 | ~1926 |
| Betty Peterson | Daughter | — | 16 | ~1924 |
| Elizabeth Peterson | Spouse | — | 44 | ~1896 |
| John Johnson | Other | — | 38 | ~1902 |
Census Appearances
1920
Powder River, …
Spouse, age 23
Powder River, Montana · implied b. ~1897 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Elizabeth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | South Dakota |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Finland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1930
Powder River, …
Other, age 34
Powder River, Montana · implied b. ~1896 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Elizabeth |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | South Dakota |
| Age at First Marriage | 20 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Finland |
| Can Read/Write | Yes |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1940
Powder-River-County, Montana
Spouse, age 44
Powder-River-County, Montana · implied b. ~1896 — 4 household members
| Surname | Peterson |
| Given Name | Elizabeth A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (City) | School district 84 |
| 1935 Residence (County) | Powder River |
| Income (1939) | 0 |
| Highest Grade | H 8 |
| 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 Elizabeth Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Elizabeth Peterson
Spouse · 1940 · age 44 · b. ~1896 · Montana
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Powder-River-County, Montana
Open full size
1940 US Federal Census — Powder-River-County, Montana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02227-00372)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elizabeth A. Peterson THIS PERSON | 44 | Wife | — | South Dakota |
| 42 | Betty J. A. Peterson | 16 | Daughter | — | Montana |
| 43 | Helen E. A. Peterson | 14 | Daughter | — | Montana |
| 44 | John A. Johnson | 38 | Boarder | Mechanic | Sweden |
| 45 | Sylvester Carney | 70 | Head | — | Illinois |
| 46 | Hugh W. Carney | 40 | Son | Farmer | South Dakota |
| 47 | Robert L. Wirth | 53 | Head | Farmer | Wisconsin |
| 48 | Helen Wirth | 45 | Wife | — | Hungary |
| 49 | Ulon B. Sterling | 32 | Head | Proprietor | Kansas |
| 50 | Emma A. Sterling | 38 | Wife | Storekeeper | Wyoming |
| 51 | Billie L. A. Sterling | 9 | Daughter | — | Wyoming |
| 52 | Betty Lou A. Sterling | 8 | Daughter | — | Wyoming |
| 53 | Hugo Root | 32 | Head | Mail Carrier | Russia |
| 54 | Rose L. A. Root | 25 | Wife | Teacher | Montana |
| 55 | Clarence Y. Richardson | 42 | Head | Proprietor | Montana |
| 56 | Kathleen Richardson | 33 | Wife | — | Montana |
| 57 | Dick Richardson | 8 | Son | — | Montana |
| 58 | Mary Lou Richardson | 5 | Daughter | — | Montana |
| 59 | George Guebleman | 49 | Head | Farmer | Indiana |
| 60 | Ida M. Guebleman | 51 | Wife | — | Indiana |
| 61 | Florence Guebleman | 23 | Daughter | — | Indiana |
| 62 | Robert Guebleman | 20 | Son | Laborer | Montana |
| 63 | John Guebleman | 18 | Son | Laborer | Montana |
| 64 | Everett Q. Wittenmyer | 52 | Head | Farmer | Indiana |
| 65 | Nora Wittenmyer | 56 | Wife | — | Indiana |
| 66 | Ivalana Wittenmyer | 12 | Daughter | — | Montana |
| 67 | Bert Colling | 52 | Head | Farmer | South Dakota |
| 68 | Lela Colling | 43 | Wife | — | Wyoming |
| 69 | Nicola Vitacca | 67 | Head | — | Italy |
| 70 | Pyrl Melville | 47 | Head | Farmer | South Dakota |
| 71 | Mabel A. Melville | 41 | Wife | — | South Dakota |
| 72 | Harry A. Melville | 20 | Son | Laborer | South Dakota |
| 73 | Marguerite Melville | 17 | Daughter | — | South Dakota |
| 74 | Burton Melville | 14 | Son | — | Montana |
| 75 | Pyrl Jr. Melville | 13 | Son | — | Montana |
| 76 | Herman L. Hoffman | 23 | Boarder | Laborer | Montana |
| 77 | Irene M. Alvestad | 22 | Head | Teacher | North Dakota |
| 78 | Walter L. Lewis | 56 | Head | Farmer | Iowa |
| 79 | Francis Lewis | 40 | Brother | — | Iowa |
| 80 | Leland Lewis | 13 | Nephew | — | Montana |
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)