EC
Ethel Cook — 1940 US Census Record
Model Tree available1940 United States Federal Census · Pickaway-County, Ohio
Our Model Tree links this Ethel Cook across the 1920, 1930 and 1940 US Censuses in Pickaway-County, Ohio (XGBoost, ~Confirmed), with identified parents Albert & Albert — first a daughter (b.~1899), then head of a 5-person household.
Age 41
b. ~1899
Female
Daughter
Born: Ohio
Separated
1940 Census Record Details
| Census Year | 1940 |
| Location | Pickaway-County, Ohio |
| Surname | Cook |
| Given Name | Ethel |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Separated |
| Birthplace | Ohio |
| 1935 Residence (City) | Circleville City |
| 1935 Residence (County) | Pickaway |
| Additional Details | |
| Occupation | Waitress |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 780 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Waitress |
| Township / Ward | Circleville City |
| Est. Birth Year | ~1899 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ethel | Age | Birth yr |
|---|---|---|---|---|
| Albert Cook | Head | — | 69 | ~1871 |
| Ethel Cook | Daughter | — | 41 | ~1899 |
| Maggie Cook | Spouse | — | 67 | ~1873 |
| Bernice Cook | Daughter | — | 37 | ~1903 |
| Hilda Cook | Daughter | — | 32 | ~1908 |
Census Appearances
1920
Pickaway, Ohio
Daughter, age 21
Pickaway, Ohio · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Ethel E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Saleslady |
| Industry | Confectionery store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Pickaway, Ohio
Daughter, age 30
Pickaway, Ohio · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Ethel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Clerk |
| Industry | Confectionery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Pickaway-County, Ohio
Daughter, age 41
Pickaway-County, Ohio · implied b. ~1899 — 5 household members
| Surname | Cook |
| Given Name | Ethel |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Separated |
| Birthplace | Ohio |
| 1935 Residence (City) | Circleville City |
| 1935 Residence (County) | Pickaway |
| Occupation | Waitress |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 780 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Ethel Cook across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Albert Cook (~0.92 confidence) and father Albert Cook (~0.92 confidence) and father Albert Cook (~0.92 confidence) and mother Maggie Cook (~0.92 confidence) and mother Margaret Cook (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Albert Cook
b. ~1871
Source father
● Household
· direct · ~0.92
Father
Albert Cook
b. ~1871
Source father
● Household
· direct · ~0.92
Father
Albert Cook
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Maggie Cook
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Margaret Cook
b. ~1866
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ethel Cook
Daughter · 1940 · age 41 · b. ~1899 · Ohio
★ You are viewing this record
Sibling
Bernice Cook
Sibling · 1940 · age 37
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hilda Cook
Sibling · 1940 · age 32
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 — Pickaway-County, Ohio
Open full size
1940 US Federal Census — Pickaway-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03128-00023)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mildred Thieme | 20 | daughter | — | Ohio |
| 2 | Evelyn Steele | 33 | Head | Bookkeeper | Virginia |
| 3 | Albert L. Wilson | 54 | Head | Carpenter | Ohio |
| 4 | Mary S. Wilson | 59 | wife | — | Ohio |
| 5 | Charles Wilson | 19 | son | Carpenter | Ohio |
| 6 | Robert Greisheimer | 37 | Head | Machinist | Ohio |
| 7 | Ann Greisheimer | 35 | wife | — | Ohio |
| 8 | Robert Jr. Greisheimer | 14 | son | — | Ohio |
| 9 | Daisy L. Daret | 73 | Head | — | Kentucky |
| 10 | Presley Hosler | 57 | Head | Repair Man | Ohio |
| 11 | Rose Hosler | 55 | wife | — | Ohio |
| 12 | Kathryne Bates | 53 | Head | — | Ohio |
| 13 | Minnie Palm | 58 | Head | Saleslady | Ohio |
| 14 | Harvey Palm | 63 | Brother | Dishwasher | Ohio |
| 15 | Hazel Palm | 36 | Niece | Teacher | Ohio |
| 16 | Robert Palm | 33 | nephew | Office Boy | Ohio |
| 17 | Charles Bell | 77 | Head | Operator | Ohio |
| 18 | Anna Bell | 71 | wife | — | Ohio |
| 19 | Flora Foret | 64 | Head | — | Ohio |
| 20 | Samuel B. Terrence | 28 | Head | Printer | Ohio |
| 21 | Garnet Terrence | 24 | wife | — | Ohio |
| 22 | Paul Carruthers | 29 | Lodger | Advertising Manager | Ohio |
| 23 | Chilton Shook | 59 | Head | — | Ohio |
| 24 | Adeline Shook | 65 | wife | — | Ohio |
| 25 | C. Ray Barnhart | 26 | Head | Cashier | Ohio |
| 26 | Helen Barnhart | 27 | wife | — | Ohio |
| 27 | Albert C. Cook | 69 | Head | Operator | Ohio |
| 28 | Maggie Cook | 67 | wife | — | Ohio |
| 29 | Ethel Cook THIS PERSON | 41 | daughter | Waitress | Ohio |
| 30 | Bernice Cook | 37 | daughter | Bookkeeper | Ohio |
| 31 | Hilda Cook | 32 | daughter | Waitress | Ohio |
| 32 | J. Wray Henry | 49 | Head | Principal | Iowa |
| 33 | Helen Henry | 46 | wife | — | Illinois |
| 34 | Ross Henry | 24 | son | — | Ohio |
| 35 | Don Henry | 21 | son | School Project | Wisconsin |
| 36 | Laura R. Prescott | 25 | Lodger | Teacher | Indiana |
| 37 | Walter Piotrowski | 46 | Head | Foreman | Ohio |
| 38 | Emma Piotrowski | 40 | wife | — | Ohio |
| 39 | Wesley Justus | 74 | Head | Stock Buyer | Ohio |
| 40 | Marie Justus | 45 | wife | — | Ohio |
Pedigree Summary
Ethel + 2 siblings
Gen 1 · 5 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)