EP
Esther Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Salt-Lake-County, Utah
Our Model Tree links this Esther Peterson across the 1920, 1930 and 1940 US Censuses in Salt-Lake-County, Utah (XGBoost, ~Confirmed), with identified parents Oscar & Oscar — first a daughter (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Female
Daughter
Born: Utah
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Salt-Lake-County, Utah |
| Surname | Peterson |
| Given Name | Esther |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | C-1 |
| 1935 Residence | Same House |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Township / Ward | Salt Lake City |
| Est. Birth Year | ~1919 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Esther | Age | Birth yr |
|---|---|---|---|---|
| Esther Peterson | Daughter | — | 21 | ~1919 |
| Oscar Peterson | Head | — | 62 | ~1878 |
| Alfred Peterson | Son | — | 27 | ~1913 |
| Rose Peterson | Spouse | — | 59 | ~1881 |
| Frank Peterson | Son | — | 18 | ~1922 |
Census Appearances
1920
Salt Lake, …
Daughter, age 1
Salt Lake, Utah · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Esther |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Utah |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Salt Lake, …
Daughter, age 11
Salt Lake, Utah · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Esther |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Utah |
| Can Read/Write | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Salt-Lake-County, Utah
Daughter, age 21
Salt-Lake-County, Utah · implied b. ~1919 — 5 household members
| Surname | Peterson |
| Given Name | Esther |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | C-1 |
| 1935 Residence | Same House |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
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 Esther Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Oscar Peterson (~0.92 confidence) and father Oscar Peterson (~0.92 confidence) and father Oscar Peterson (~0.92 confidence) and mother Rose Peterson (~0.92 confidence) and mother Rose Peterson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Oscar Peterson
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Oscar Peterson
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Oscar Peterson
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Rose Peterson
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Rose Peterson
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Esther Peterson
Daughter · 1940 · age 21 · b. ~1919 · Utah
★ You are viewing this record
Sibling
Frank Peterson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfred Peterson
Sibling · 1940 · age 27
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 — Salt-Lake-County, Utah
Open full size
1940 US Federal Census — Salt-Lake-County, Utah
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04225-00085)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harold F Knight | 25 | Head | Farm Helper | Utah |
| 2 | Neva Knight | 24 | Wife | Ready Clerk | Oregon |
| 3 | Myron A Danills | 46 | Head | — | Louisiana |
| 4 | Richard Hill | 49 | Head | Inspector | Michigan |
| 5 | Ann Hill | 41 | Wife | — | Michigan |
| 6 | Rose Hill | 20 | Daughter | Planter | Montana |
| 7 | Robert Hill | 6 | Son | — | — |
| 8 | Josephine A Hill | 3 | Daughter | — | — |
| 9 | Oscar Peterson | 62 | Head | Laborer | Sweden |
| 10 | Rose Peterson | 59 | Wife | — | Utah |
| 11 | Alfred Peterson | 27 | Son | Mechanic | Utah |
| 12 | Esther Peterson THIS PERSON | 21 | Daughter | — | Utah |
| 13 | Frank Peterson | 18 | Son | Machinist | Utah |
| 14 | Joseph Perry | 72 | Head | Laborer | Utah |
| 15 | John Perry | 65 | Brother | — | Utah |
| 16 | Fred Varachinsky | 49 | Head | Iron Moulder | Utah |
| 17 | Marie Varachinsky | 84 | Mother | — | Germany |
| 18 | Clarence Holmes | 52 | Head | Marble Worker | Utah |
| 19 | Lottie Holmes | 52 | Wife | — | Utah |
| 20 | Vern Black | 17 | Step Son | Laborer | Colorado |
| 21 | Adelbert Warren | 39 | Head | Painter | Utah |
| 22 | Elizabeth Warren | 35 | Wife | — | Utah |
| 23 | Barbara Warren | 12 | Daughter | — | Utah |
| 24 | Betty J Warren | 9 | Daughter | — | Utah |
| 25 | Joseph B Trickley | 70 | Head | — | Utah |
| 26 | Marie Trickley | 68 | Wife | — | Utah |
| 27 | Janet Smithen | 47 | Head | — | Scotland |
| 28 | Melvin Vern Smithen | 16 | Son | — | Utah |
| 29 | William A Miller | 45 | Head | Automobile Mechanic | California |
| 30 | Ruth E Miller | 39 | Wife | — | Idaho |
| 31 | Harriett Miller | 14 | Daughter | — | Utah |
| 32 | Adellied Miller | 12 | Daughter | — | Utah |
| 33 | Audrey M Miller | 7 | Daughter | — | Utah |
| 34 | Reneie J Miller | 5 | Daughter | — | — |
| 35 | Winona K Miller | 1 | Daughter | — | — |
| 36 | Clifford A Yorgeson | 21 | Head | Motorman | Colorado |
| 37 | Myrtle Yorgeson | 25 | Wife | — | Utah |
| 38 | Florida Yorgeson | 4 | Daughter | — | — |
| 39 | Joan Yorgeson | 2 | Daughter | — | — |
| 40 | David H Ames | 41 | Head | Milk Salesman | Utah |
Pedigree Summary
Esther + 2 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)