EC
Emma Cook — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Box-Butte-County, Nebraska
Our Model Tree links this Emma Cook across the 1930 and 1940 US Censuses in Box-Butte-County, Nebraska (XGBoost, ~Confirmed) — first a spouse (b.~1909), then head of a 9-person household.
Age 31
b. ~1909
Female
Spouse
Born: Nebraska
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Box-Butte-County, Nebraska |
| Surname | Cook |
| Given Name | Emma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Alliance city |
| 1935 Residence (County) | Box Butte |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Township / Ward | Alliance City |
| Est. Birth Year | ~1909 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Emma | Age | Birth yr |
|---|---|---|---|---|
| Betty Cook | Daughter | — | 7 | ~1933 |
| Margaret Cook | Daughter | — | 4 | ~1936 |
| Mary Cook | Daughter | — | 12 | ~1928 |
| Elmer Damer | Other | — | 86 | ~1854 |
| Doris Cook | Other | — | 16 | ~1924 |
| Helen Cook | Daughter | — | 10 | ~1930 |
| Joyce Cook | Daughter | — | 3 | ~1937 |
| Leonard Cook | Head | — | 46 | ~1894 |
| Emma Cook | Spouse | — | 31 | ~1909 |
Census Appearances
1930
Box Butte, …
Spouse, age 21
Box Butte, Nebraska · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Emma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Nebraska |
| Age at First Marriage | 17 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Nebraska |
| Can Read/Write | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Box-Butte-County, Nebraska
Spouse, age 31
Box-Butte-County, Nebraska · implied b. ~1909 — 9 household members
| Surname | Cook |
| Given Name | Emma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Alliance city |
| 1935 Residence (County) | Box Butte |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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
Spouse · 1940 · age 31 · b. ~1909 · Nebraska
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Box-Butte-County, Nebraska
Open full size
1940 US Federal Census — Box-Butte-County, Nebraska
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02237-00014)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nezzie Garrett | 35 | Head | Dish-Washer | Nebraska |
| 2 | Ethel Garrett | 17 | Daughter | — | Nebraska |
| 3 | David Garrett | 13 | Son | — | Nebraska |
| 4 | Sarah D. Kennedy | 72 | Head | — | Iowa |
| 5 | Wesley C. Hoff | 53 | Head | Fur-Buyer | Missouri |
| 6 | Martha T. Hoff | 45 | Wife | — | Missouri |
| 7 | Alvia Miller | 57 | Lodger | Bricklayer | Missouri |
| 8 | Melvin S. Stevens | 28 | Head | Labor | Minnesota |
| 9 | Edith Stevens | 26 | Wife | — | Nebraska |
| 10 | Arlen Stevens | 6 | Son | — | Nebraska |
| 11 | Sally Stevens | 5 | Daughter | — | Nebraska |
| 12 | Peggy Stevens | 3 | Daughter | — | Nebraska |
| 13 | Frank H. Benischen | 44 | Head | Carpenter | Nebraska |
| 14 | Iva Benischen | 42 | Wife | — | Nebraska |
| 15 | Charles J. Sherlock | 32 | Head | Grocerys | Iowa |
| 16 | Vivian Sherlock | 26 | Wife | Grocerys | Nebraska |
| 17 | William E. Waldron | 25 | Head | Switchman | Nebraska |
| 18 | Genevive Waldron | 24 | Wife | — | Nebraska |
| 19 | Joyce Waldron | 2 | Daughter | — | Nebraska |
| 20 | Howard Waldron | 14 | Brother | — | Nebraska |
| 21 | Lou E. Douglas | 40 | Head | W.P.A. | Nebraska |
| 22 | Floy Douglas | 40 | Wife | — | Kansas |
| 23 | Jeanne Douglas | 14 | Daughter | — | Nebraska |
| 24 | George Douglas | 12 | Son | — | Nebraska |
| 25 | Robert Douglas | 11 | Son | — | Nebraska |
| 26 | Charles F. Prall | 58 | Head | Road Builder | Nebraska |
| 27 | Arlie M. Prall | 55 | Wife | — | Missouri |
| 28 | Leonard Cook | 46 | Head | W.P.A. | Missouri |
| 29 | Emma Cook THIS PERSON | 31 | Wife | — | Nebraska |
| 30 | Mary E. Cook | 12 | Daughter | — | Nebraska |
| 31 | Helen F. Cook | 10 | Daughter | — | Nebraska |
| 32 | Betty G. Cook | 7 | Daughter | — | Nebraska |
| 33 | Margaret A. Cook | 4 | Daughter | — | Nebraska |
| 34 | Joyce M. Cook | 3 | Daughter | — | Nebraska |
| 35 | Doris A. Cook | 16 | Sisterinlaw | — | Nebraska |
| 36 | Elmer Damer | 86 | Grand-Father | — | Illinois |
| 37 | Frank Kopac | 54 | Head | Buyer | Nebraska |
| 38 | Carrie Kopac | 56 | Wife | Rip-Track | Nebraska |
| 39 | Tracy Kopac | 11 | Daughter | — | Nebraska |
| 40 | Lucy Burton | 56 | Head | — | Missouri |
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)