EC
Emma Cook — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Emery-County, Utah
Our Model Tree links this Emma Cook across the 1930 and 1940 US Censuses in Emery-County, Utah (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 8-person household.
Age 16
b. ~1924
Female
Daughter
Born: Utah
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Emery-County, Utah |
| Surname | Cook |
| Given Name | Emma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Castle Dale City |
| 1935 Residence (County) | Emery |
| Additional Details | |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Township / Ward | Castle Dale City |
| Est. Birth Year | ~1924 |
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 Emma | Age | Birth yr |
|---|---|---|---|---|
| Dora Cook | Daughter | — | 18 | ~1922 |
| Lucy Cook | Spouse | — | 51 | ~1889 |
| Lester Cook | Son | — | 14 | ~1926 |
| Emma Cook | Daughter | — | 16 | ~1924 |
| Byron Cook | Son | — | 19 | ~1921 |
| Lorenzo Cook | Son | — | 21 | ~1919 |
| J Cook | Head | — | 48 | ~1892 |
| W Cook | Son | — | 10 | ~1930 |
Census Appearances
1930
Emery, Utah
Daughter, age 6
Emery, Utah · implied b. ~1924 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Erma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Emery-County, Utah
Daughter, age 16
Emery-County, Utah · implied b. ~1924 — 8 household members
| Surname | Cook |
| Given Name | Emma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Castle Dale City |
| 1935 Residence (County) | Emery |
| Highest Grade | H 1 |
| 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 Emma Cook across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Emma Cook
Daughter · 1940 · age 16 · b. ~1924 · Utah
★ You are viewing this record
Sibling
Lorenzo Cook
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Byron Cook
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lester Cook
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dora Cook
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
W Cook
Sibling · 1940 · age 10
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 — Emery-County, Utah
Open full size
1940 US Federal Census — Emery-County, Utah
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04212-00789)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gordon F Clark | 23 | Head | Laborer | Nebraska |
| 42 | Ione Clark | 21 | Wife | — | Utah |
| 43 | Frances Clark | 2 | Daughter | — | — |
| 44 | C. William Jensen | 54 | Father-in-law | Blacksmith | Utah |
| 45 | Hallie Jensen | 16 | Sister-in-law | — | Utah |
| 46 | Elmer Jeffs | 45 | Head | Sheepherder | Utah |
| 47 | Hilma Jeffs | 44 | Wife | — | Utah |
| 48 | Elmer Jeffs | 24 | Son | Sheepherder | Utah |
| 49 | Earl Jeffs | 21 | Son | Farm Laborer | Utah |
| 50 | Morris Jeffs | 17 | Son | Laborer | Utah |
| 51 | Arline Jeffs | 13 | Daughter | — | Utah |
| 52 | Ruth Jeffs | 4 | Daughter | — | — |
| 53 | Foster Jensen | 29 | Head | Coal Miner | Utah |
| 54 | Nina Jensen | 22 | Wife | — | Utah |
| 55 | Berton Jensen | 3 | Son | — | — |
| 56 | Fern Beach | 23 | Lodger | Teacher | Utah |
| 57 | Iona Hyler | 25 | Lodger | Teacher | Utah |
| 58 | Geneva Warmuth | 43 | Head | Beauty Operator | Utah |
| 59 | Beth Warmuth | 17 | Daughter | — | Utah |
| 60 | Dick B Warmuth | 15 | Son | — | Utah |
| 61 | Red Mccofferd | 27 | Head | Farmer | Utah |
| 62 | Leotta Mccofferd | 23 | Wife | — | Utah |
| 63 | Venice Jensen | 45 | Head | — | Utah |
| 64 | Ward Jensen | 20 | Son | — | Utah |
| 65 | Earl Jensen | 17 | Son | — | Utah |
| 66 | John Jensen | 13 | Son | — | Utah |
| 67 | Paul C. Hansen | 57 | Head | Farmer | Utah |
| 68 | Lillian Hansen | 53 | Wife | — | Utah |
| 69 | Harold Hansen | 21 | Son | Laborer | Utah |
| 70 | J. Edward Cook | 48 | Head | Laborer | Utah |
| 71 | Lucy Cook | 51 | Wife | — | Utah |
| 72 | Lorenzo Cook | 21 | Son | Truck Driver | Utah |
| 73 | Byron E Cook | 19 | Son | Laborer | Utah |
| 74 | Dora Cook | 18 | Daughter | Housekeeper | Utah |
| 75 | Emma Cook THIS PERSON | 16 | Daughter | — | Utah |
| 76 | Lester Cook | 14 | Son | — | Utah |
| 77 | W. Glen Cook | 10 | Son | — | Utah |
| 78 | Lorenzo Cook | 45 | Head | Farmer | Utah |
| 79 | Alta Cook | 46 | Wife | — | Utah |
| 80 | Bryan Cook | 19 | Son | — | 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)