HC
Helen Cook — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this Helen Cook across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a daughter (b.~1907), then head of a 6-person household.
Age 33
b. ~1907
Female
Daughter
Born: Ohio
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Cook |
| Given Name | Helen M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Widowed |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati City |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Cincinnati City |
| Est. Birth Year | ~1907 |
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 Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Cook | Daughter | — | 33 | ~1907 |
| Charles Woodke | Head | — | 62 | ~1878 |
| William Cook | Other | — | 9 | ~1931 |
| Lillian Woodke | Spouse | — | 53 | ~1887 |
| Joan Cook | Other | — | 6 | ~1934 |
| Marilyn Cook | Other | — | 8 | ~1932 |
Census Appearances
1920
Hamilton, Ohio
Daughter, age 12
Hamilton, Ohio · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Hamilton, Ohio
Daughter, age 22
Hamilton, Ohio · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Helene D. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Operator |
| Industry | Telephone Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Hamilton-County, Ohio
Daughter, age 33
Hamilton-County, Ohio · implied b. ~1907 — 6 household members
| Surname | Cook |
| Given Name | Helen M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Widowed |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati City |
| 1935 Residence (County) | Hamilton |
| Class of Worker | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| 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 Helen Cook across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Cook (~0.92 confidence) and father Charles Cook (~0.92 confidence) and father Charles Woodke (~0.92 confidence) and mother Leona Cook (~0.92 confidence) and mother Lillian Woodke (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Cook
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Charles Cook
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Charles Woodke
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Leona Cook
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Lillian Woodke
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Cook
Daughter · 1940 · age 33 · b. ~1907 · Ohio
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Hamilton-County, Ohio
Open full size
1940 US Federal Census — Hamilton-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03199-00769)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Berning | 32 | Head | Organist | Ohio |
| 2 | Helena Berning | 31 | Wife | — | Pennsylvania |
| 3 | Margaret Berning | 2 | Daughter | — | Ohio |
| 4 | Harry Wollenhaupt | 50 | Head | School Teacher | Ohio |
| 5 | Charlotte Wollenhaupt | 47 | Wife | — | Ohio |
| 6 | James Wollenhaupt | 17 | Son | — | Ohio |
| 7 | Edward Rooney | 67 | Head | Traveling Salesman | Ohio |
| 8 | Alice C Rooney | 64 | Wife | — | Ohio |
| 9 | Alice M Rooney | 39 | Daughter | — | Ohio |
| 10 | Ruth R Rooney | 33 | Daughter | Stenographer | Pennsylvania |
| 11 | Esther Kleine | 19 | Niece | Receptionist | Indiana |
| 12 | Lawrence Becker | 70 | Head | President | Irish Free State |
| 13 | Anna R Becker | 68 | Sister | — | Irish Free State |
| 14 | Lillie M Becker | 67 | Sister | Assistant Principal | Ohio |
| 15 | Mae C Becker | 64 | Sister | — | Ohio |
| 16 | Andalusia Donahue | 85 | Head | — | Ohio |
| 17 | Harry G Shuly | 43 | Head | Mail Clerk | Ohio |
| 18 | Effie Shuly | 43 | Wife | — | Maryland |
| 19 | Audrey Shuly | 16 | Daughter | — | Ohio |
| 20 | Charles E Woodke | 62 | Head | Machinist | Ohio |
| 21 | Lillian Woodke | 53 | Wife | Shoe Worker | Ohio |
| 22 | Helen M Cook THIS PERSON | 33 | Daughter | — | Ohio |
| 23 | William Cook | 9 | Grandson | — | Ohio |
| 24 | Marilyn Cook | 8 | Granddaughter | — | Ohio |
| 25 | Joan Cook | 6 | Granddaughter | — | Ohio |
| 26 | Alma V Schmitt | 56 | Head | — | Ohio |
| 27 | Robert Schmitt | 28 | Son | Shipping Clerk | Ohio |
| 28 | Ferdinand Garmann | 66 | Head | File Clerk | Ohio |
| 29 | Mary Garmann | 65 | Wife | — | Ohio |
| 30 | Ferdinand Jr Garmann | 42 | Son | Supervisor | Ohio |
| 31 | Robert Garmann | 36 | Son | Office Manager | Ohio |
| 32 | Regina Garmann | 28 | Daughter-in-law | — | Arkansas |
| 33 | Alice A Kelly | 43 | Head | Saleslady | Ohio |
| 34 | Henley Brink | 32 | Son-in-law | Time Study Man | Ohio |
| 35 | Mary Alice Brink | 23 | Daughter | Stenographer | Ohio |
| 36 | Carol Brink | 3 | Granddaughter | — | Ohio |
| 37 | William Flaherty | 62 | Boarder | — | Ohio |
| 38 | William T Harpenau | 45 | Head | Traveling Salesman | Ohio |
| 39 | Loretta Harpenau | 45 | Wife | — | Ohio |
| 40 | Florence Harpenau | 23 | Daughter | Saleslady | Ohio |
Pedigree Summary
Helen
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)