EP
Ernest Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Utah-County, Utah
Our Model Tree links this Ernest Peterson across the 1920, 1930 and 1940 US Censuses in Utah-County, Utah (XGBoost, ~Confirmed), with identified parents Andrew & Sarah — first a head (b.~1905), then head of a 3-person household.
Age 35
b. ~1905
Male
Head
Born: Utah
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Utah-County, Utah |
| Surname | Peterson |
| Given Name | Ernest F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Lehi City |
| 1935 Residence (County) | Utah |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Poultry Ass. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1000 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Occupation | Truck Driver |
| Township / Ward | Lehi City |
| Est. Birth Year | ~1905 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ernest | Age | Birth yr |
|---|---|---|---|---|
| Nile Peterson | Son | — | 2 | ~1938 |
| Ernest Peterson | Head | — | 35 | ~1905 |
| Zella Peterson | Spouse | — | 28 | ~1912 |
Census Appearances
1920
Utah, Utah
Son, age 16
Utah, Utah · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Ernest F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Utah, Utah
Head, age 26
Utah, Utah · implied b. ~1904 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Ernest F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Utah |
| Age at First Marriage | 24 |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Occupation | Truck Driver |
| Industry | Hauling Eggs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 200 |
| Radio Set | R |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Utah-County, Utah
Head, age 35
Utah-County, Utah · implied b. ~1905 — 3 household members
| Surname | Peterson |
| Given Name | Ernest F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Lehi City |
| 1935 Residence (County) | Utah |
| Occupation | Truck Driver |
| Industry | Poultry Ass. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1000 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 Ernest Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Andrew Peterson (~0.92 confidence) and mother Sarah Peterson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Andrew Peterson
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Sarah Peterson
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ernest Peterson
Head · 1940 · age 35 · b. ~1905 · Utah
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Utah-County, Utah
Open full size
1940 US Federal Census — Utah-County, Utah
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-04219-00297)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | La Deane Prior | 9 | daughter | — | Utah |
| 42 | Ruth Prior | 2 | daughter | — | Utah |
| 44 | Arthur D. Adams | 24 | Head | Brakeman | Utah |
| 45 | Stella Q. Adams | 25 | Wife | — | Utah |
| 46 | Glenda D. Adams | 2 | daughter | — | Utah |
| 47 | Diane Adams | 1 | daughter | — | Utah |
| 48 | Keith S. Powell | 24 | Head | Service Station Operator | Utah |
| 49 | Maxine R. Powell | 21 | Wife | — | Utah |
| 50 | Gary V. Powell | 0 | son | — | Utah |
| 51 | Blanche Armstrong | 44 | Head | — | Utah |
| 52 | Beulah Armstrong | 17 | daughter | — | Utah |
| 53 | Mary Armstrong | 13 | daughter | — | Utah |
| 54 | Edward Southwick | 47 | Head | Farmer | Utah |
| 55 | Sara S. Southwick | 49 | Wife | — | Utah |
| 56 | Don B. Southwick | 23 | son | Welder | Utah |
| 57 | Ray T. Southwick | 11 | son | — | Utah |
| 58 | Joyce Southwick | 9 | daughter | — | Utah |
| 59 | Aaron R. Asay | 65 | Head | Laborer | Utah |
| 60 | Christina Asay | 64 | Wife | — | Utah |
| 62 | Christian Whitman | 69 | Head | — | Denmark |
| 63 | Christian Anderson | 89 | Brother | — | Denmark |
| 64 | Polly P. Giles | 76 | Head | — | Utah |
| 65 | Harriet Thomas | 81 | Lodger | — | Utah |
| 66 | Jesse N. Washburn | 37 | Head | School Teacher | Utah |
| 67 | Violet Washburn | 33 | Wife | — | Utah |
| 68 | Van H. Washburn | 13 | son | — | Utah |
| 69 | Beverly Washburn | 11 | daughter | — | Utah |
| 70 | Nilene Washburn | 4 | daughter | — | Utah |
| 71 | John M. Jones | 44 | Head | Dentist | Utah |
| 72 | Helen M. Jones | 42 | Wife | — | Utah |
| 73 | Ruth Jones | 21 | daughter | Beauty Operator | Utah |
| 74 | J. Emery Jones | 17 | son | — | Utah |
| 75 | Ernest F. Peterson THIS PERSON | 35 | Head | Truck Driver | Utah |
| 76 | Zella Q. Peterson | 28 | Wife | — | Utah |
| 77 | Nile Peterson | 2 | son | — | Utah |
| 78 | Peter Johnson | 76 | Head | — | Denmark |
| 79 | Leo Johnson | 29 | son | — | Utah |
| 80 | Elva Johnson | 24 | daughter | — | Utah |
Pedigree Summary
Ernest
Gen 1 · 2 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)