EC
Eva Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Duchesne-County, Utah
Our Model Tree links this Eva Clark across the 1930 and 1940 US Censuses in Duchesne-County, Utah (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 8-person household.
Age 14
b. ~1926
Female
Daughter
Born: Utah
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Duchesne-County, Utah |
| Surname | Clark |
| Given Name | Eva H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Myton Town |
| 1935 Residence (County) | Duchesne |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Township / Ward | Myton Town |
| Est. Birth Year | ~1926 |
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 Eva | Age | Birth yr |
|---|---|---|---|---|
| Fern Clark | Daughter | — | 3 | ~1937 |
| Benjamin Clark | Son | — | 7 | ~1933 |
| Ned Clark | Son | — | 6 | ~1934 |
| Floyd Clark | Son | — | 11 | ~1929 |
| Cloras Clark | Head | — | 29 | ~1911 |
| Jesse Clark | Son | — | 9 | ~1931 |
| Eva Clark | Daughter | — | 14 | ~1926 |
| Estella Clark | Spouse | — | 25 | ~1915 |
Census Appearances
1930
Duchesne, Utah
Daughter, age 4
Duchesne, Utah · implied b. ~1926 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Eva |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Colorado |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Duchesne-County, Utah
Daughter, age 14
Duchesne-County, Utah · implied b. ~1926 — 8 household members
| Surname | Clark |
| Given Name | Eva H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Myton Town |
| 1935 Residence (County) | Duchesne |
| Highest Grade | No 7 |
| 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 Eva Clark across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Eva Clark
Daughter · 1940 · age 14 · b. ~1926 · Utah
★ You are viewing this record
Sibling
Jesse Clark
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fern Clark
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Floyd Clark
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Benjamin Clark
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ned Clark
Sibling · 1940 · age 6
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 — Duchesne-County, Utah
Open full size
1940 US Federal Census — Duchesne-County, Utah
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04212-00579)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Jennings | 54 | Head | Driver | Indiana |
| 2 | Ada C. Jennings | 44 | Wife | — | Kentucky |
| 3 | Richard Jennings | 10 | Son | — | California |
| 4 | John C. Jennings | 8 | Son | — | California |
| 5 | Abraham Shulth | 35 | Head | Mechanic | Utah |
| 6 | Myra Shulth | 29 | Wife | — | Utah |
| 7 | Margaretta Shulth | 9 | Daughter | — | Utah |
| 8 | Janette Shulth | 7 | Daughter | — | Utah |
| 9 | Hiram Shulth | 5 | Son | — | Utah |
| 10 | Karathine Shulth | 3 | Daughter | — | Utah |
| 11 | Leona Shulth | 1 | Daughter | — | Utah |
| 12 | Earl D. Babcock | 43 | Head | Farmer | Utah |
| 13 | Faith Babcock | 37 | Wife | — | Utah |
| 14 | Emma Babcock | 18 | Daughter | — | Utah |
| 15 | Arthur Babcock | 15 | Son | — | Utah |
| 16 | Vonda I. Babcock | 9 | Daughter | — | Utah |
| 17 | Lenore Babcock | 6 | Son | — | Utah |
| 18 | Joseph O. Benson | 52 | Head | Ditch Rider | Utah |
| 19 | Hazel Benson | 50 | Wife | — | Utah |
| 20 | Blanchie Benson | 17 | Daughter | — | Utah |
| 21 | Mary G. Benson | 11 | Daughter | — | Utah |
| 22 | Melba Benson | 7 | Son | — | Utah |
| 23 | Cloras Clark | 29 | Head | Helper | Utah |
| 24 | Estella Clark | 25 | Wife | — | Colorado |
| 25 | Eva H. Clark THIS PERSON | 14 | Daughter | — | Utah |
| 26 | Floyd H. Clark | 11 | Son | — | Utah |
| 27 | Jesse Clark | 9 | Son | — | Utah |
| 28 | Benjamin Clark | 7 | Son | — | Utah |
| 29 | Ned L. Clark | 6 | Son | — | Utah |
| 30 | Fern Clark | 3 | Daughter | — | Utah |
| 31 | Elizabeth Wan | 59 | Head | — | Utah |
| 32 | Raymond Wan | 31 | Son | Laborer | Utah |
| 33 | Harvey D. Ludlow | 24 | Head | Laborer | Utah |
| 34 | Hazel Ludlow | 37 | Wife | — | Wyoming |
| 35 | Vada H. Ludlow | 2 | Son | — | Utah |
| 36 | Danton L. Ludlow | 0 | Son | — | Utah |
| 37 | Velda Drolinger | 35 | Head | — | Utah |
| 38 | John Drolinger | 12 | Son | — | Utah |
| 39 | Thea Drolinger | 11 | Daughter | — | Utah |
| 40 | Jessie Drolinger | 9 | Daughter | — | Utah |
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)