EP
Ethel Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Apache-County, Arizona
Our Model Tree links this Ethel Peterson across the 1930 and 1940 US Censuses in Apache-County, Arizona (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 6-person household.
Age 17
b. ~1923
Female
Daughter
Born: Arizona
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Apache-County, Arizona |
| Surname | Peterson |
| Given Name | Ethel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Arizona |
| 1935 Residence (City) | C.S.D - 1 - |
| 1935 Residence (County) | Apache |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
| Township / Ward | Csd 1 |
| Est. Birth Year | ~1923 |
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 |
|---|---|---|---|---|
| Stella Peterson | Spouse | — | 56 | ~1884 |
| Lois Peterson | Daughter | — | 12 | ~1928 |
| Ethel Peterson | Daughter | — | 17 | ~1923 |
| Anna Peterson | Daughter | — | 15 | ~1925 |
| George Peterson | Son | — | 25 | ~1915 |
| Brigham Peterson | Head | — | 60 | ~1880 |
Census Appearances
1930
Apache, Arizona
Daughter, age 7
Apache, Arizona · implied b. ~1923 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Ethel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Arizona |
| Occupation | none |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1940
Apache-County, Arizona
Daughter, age 17
Apache-County, Arizona · implied b. ~1923 — 6 household members
| Surname | Peterson |
| Given Name | Ethel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Arizona |
| 1935 Residence (City) | C.S.D - 1 - |
| 1935 Residence (County) | Apache |
| Class of Worker | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
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 17 · b. ~1923 · Arizona
★ You are viewing this record
Sibling
Lois Peterson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Peterson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Peterson
Sibling · 1940 · age 25
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 — Apache-County, Arizona
Open full size
1940 US Federal Census — Apache-County, Arizona
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00099-00093)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Betty Cort | 3 | Daughter | — | Arizona |
| 42 | Viviana Cort | 1 | Daughter | — | Arizona |
| 43 | Henry Madrid | 30 | Head | Laborer | New Mexico |
| 44 | Tasha Madrid | 16 | Wife | — | Arizona |
| 45 | Infant Madrid | 0 | Daughter | — | Arizona |
| 46 | Tranquilino Madrid | 59 | Head | Laborer | Arizona |
| 47 | Joe Gonzales | 27 | Head | Laborer | Arizona |
| 48 | Ramona Gonzales | 26 | Wife | — | New Mexico |
| 49 | Adelia Gonzales | 5 | Daughter | — | Arizona |
| 50 | Concie Gonzales | 2 | Daughter | — | Arizona |
| 51 | George Milligan | 64 | Head | — | Arizona |
| 52 | Mary Milligan | 53 | Wife | — | New Mexico |
| 53 | Joe Garcia | 38 | Head | Laborer | New Mexico |
| 54 | Tgray Garcia | 22 | Wife | — | New Mexico |
| 55 | Lorenzo Romero | 62 | Head | — | New Mexico |
| 56 | Manuel Gonzales | 57 | Head | — | Arizona |
| 57 | Emelia Gonzales | 46 | Wife | — | New Mexico |
| 58 | Monico Gonzales | 25 | Son | Rock Cutter | Arizona |
| 59 | Clara Gonzales | 16 | Son | Hauling Wood | Arizona |
| 60 | Jimmy Gonzales | 14 | Daughter | — | Arizona |
| 61 | Gregorio Gonzales | 11 | Son | — | Arizona |
| 62 | Bernardo Gonzales | 8 | Son | — | Arizona |
| 63 | Madeline Paddock | 31 | Head | — | California |
| 64 | Richard Paddock | 6 | Son | — | California |
| 65 | Sharon Paddock | 3 | Daughter | — | Arizona |
| 66 | Antonio Otero | 52 | Head | Laborer | New Mexico |
| 67 | Victorina Otero | 34 | Wife | — | New Mexico |
| 68 | Virginia Otero | 5 | Daughter | — | Arizona |
| 69 | Brigham Young Peterson | 60 | Head | Farmer | Arizona |
| 70 | Stella Peterson | 56 | Wife | — | Arizona |
| 71 | George D. W. Peterson | 25 | Son | Carpenter | Arizona |
| 72 | Ethel Peterson THIS PERSON | 17 | Daughter | — | Arizona |
| 73 | Anna Peterson | 15 | Daughter | — | Arizona |
| 74 | Lois Peterson | 12 | Daughter | — | Arizona |
| 75 | Joseph O. Stradling | 74 | Head | Farmer | Utah |
| 76 | Floyd Stradling | 28 | Son | Bldg Tanks | Arizona |
| 77 | Sabino Leyba | 58 | Head | Herder | New Mexico |
| 78 | Trinidad Leyba | 58 | Wife | — | New Mexico |
| 79 | Sally Leyba | 19 | Daughter | — | New Mexico |
| 80 | Flavio Leyba | 17 | Son | — | New Mexico |
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)