EC
Emma Cook — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Pierce-County, Washington
Our Model Tree links this Emma Cook across the 1930 and 1940 US Censuses in Pierce-County, Washington (XGBoost, ~Confirmed) — first a spouse (b.~1906), then head of a 6-person household.
Age 34
b. ~1906
Female
Spouse
Born: Russia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Pierce-County, Washington |
| Surname | Cook |
| Given Name | Emma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | Tacoma City |
| 1935 Residence (County) | Pierce |
| Naturalization Status | Alien |
| Additional Details | |
| Industry | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
| Township / Ward | Tacoma City |
| Est. Birth Year | ~1906 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Emma | Age | Birth yr |
|---|---|---|---|---|
| Richard Cook | Son | — | 7 | ~1933 |
| Donna Cook | Daughter | — | 9 | ~1931 |
| Emma Cook | Spouse | — | 34 | ~1906 |
| Gloria Cook | Daughter | — | 11 | ~1929 |
| Edward Cook | Son | — | 14 | ~1926 |
| Carl Cook | Head | — | 38 | ~1902 |
Census Appearances
1930
Pierce, Washington
Other, age 24
Pierce, Washington · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Emma |
| Relationship to Head | wife-H |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Russia |
| Naturalization Status | Alien |
| Year of Immigration | 1912 |
| Age at First Marriage | 18 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1940
Pierce-County, Washington
Spouse, age 34
Pierce-County, Washington · implied b. ~1906 — 6 household members
| Surname | Cook |
| Given Name | Emma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | Tacoma City |
| 1935 Residence (County) | Pierce |
| Naturalization Status | Alien |
| Industry | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
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 34 · b. ~1906 · Washington
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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 — Pierce-County, Washington
Open full size
1940 US Federal Census — Pierce-County, Washington
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-04390-00249)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ed D. Shields | 48 | Head | Belt Mechanic | Texas |
| 42 | Willingham Mary Shields | 56 | Sister | Seamstress | Texas |
| 43 | Collins Desmond | 60 | Head | Crane Operator | Ireland |
| 44 | Nora E. Desmond | 62 | Wife | — | Oregon |
| 45 | Hilda E. Johnson | 61 | Head | — | Norway |
| 46 | Julius G. Johnson | 28 | Son | Grocery Clerk | North Dakota |
| 47 | Harold Johnson | 25 | Son | Student | North Dakota |
| 48 | Edith Johnson | 22 | Daughter | Bookkeeper | Washington |
| 49 | Carl Cook | 38 | Head | Belt Sander | Russia |
| 50 | Emma Cook THIS PERSON | 34 | Wife | — | Russia |
| 51 | Edward G. Cook | 14 | Son | — | Washington |
| 52 | Gloria L. Cook | 11 | Daughter | — | Washington |
| 53 | Donna M. Cook | 9 | Daughter | — | Washington |
| 54 | Richard E. Cook | 7 | Son | — | Washington |
| 55 | Arnold O. Smith | 37 | Head | Salesman | Iowa |
| 56 | Mildred Smith | 39 | Wife | Seamstress | Minnesota |
| 57 | Clifford E. Perry | 38 | Head | Upperman | California |
| 58 | Gertrude Perry | 34 | Wife | — | Washington |
| 59 | David R. Perry | 7 | Son | — | Washington |
| 60 | Alyce Perry | 5 | Daughter | — | Washington |
| 61 | Theodore B. Haskell | 35 | Head | Carpenter | Oregon |
| 62 | Evangeline M. Haskell | 30 | Wife | — | Washington |
| 63 | Theodore B. Jr. Haskell | 6 | Son | — | Washington |
| 64 | Reginald F. Mcdonald | 33 | Head | Truck Driver | Washington |
| 65 | Francis E. Mcdonald | 30 | Wife | — | Washington |
| 66 | Reginald F. Jr. Mcdonald | 11 | Son | — | Washington |
| 67 | Richard A. Mcdonald | 8 | Son | — | Washington |
| 68 | Henry G. Klinkert | 49 | Head | Manager | Minnesota |
| 69 | Dora R. Klinkert | 34 | Wife | Helper | Montana |
| 70 | Helen S. Klinkert | 1 | Daughter | — | Washington |
| 71 | Herman G. Rogers | 66 | Father-in-law | Fire Engineer | Wisconsin |
| 72 | Maud Rogers | 65 | Mother-in-law | — | Wisconsin |
| 73 | Oscar H. Eklund | 27 | Head | Wood Worker | Washington |
| 74 | Pauline Eklund | 30 | Wife | Supervisor | Russia |
| 75 | Richard P. Talley | 27 | Head | Accountant | Kansas |
| 76 | Cynthia M. Talley | 28 | Wife | — | Utah |
| 77 | Maurine F. Talley | 2 | Daughter | — | Washington |
| 78 | Donald L. Henning | 26 | Head | Salesman | Washington |
| 79 | Grace M. Henning | 26 | Wife | Wrapper | Oregon |
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)