HC
Helen Cook — 1940 US Census Record
Model Tree available1940 United States Federal Census · Vanderburgh-County, Indiana
Our Model Tree links this Helen Cook across the 1920, 1930 and 1940 US Censuses in Vanderburgh-County, Indiana (XGBoost, ~Confirmed), with identified parents May & Arthur — first a spouse (b.~1913), then head of a 5-person household.
Age 27
b. ~1913
Female
Spouse
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Vanderburgh-County, Indiana |
| Surname | Cook |
| Given Name | Helen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Evansville |
| 1935 Residence (County) | Vanderburgh |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Evansville |
| Est. Birth Year | ~1913 |
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 Helen | Age | Birth yr |
|---|---|---|---|---|
| Vernon Cook | Son | — | 4 | ~1936 |
| Larry Cook | Son | — | ~1940 | |
| Aubrey Cook | Head | — | 33 | ~1907 |
| Donald Cook | Son | — | 2 | ~1938 |
| Helen Cook | Spouse | — | 27 | ~1913 |
Census Appearances
1920
Vanderburgh, Indiana
Daughter, age 5
Vanderburgh, Indiana · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Kentucky |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Vanderburgh, Indiana
Daughter, age 16
Vanderburgh, Indiana · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Vanderburgh-County, Indiana
Spouse, age 27
Vanderburgh-County, Indiana · implied b. ~1913 — 5 household members
| Surname | Cook |
| Given Name | Helen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Evansville |
| 1935 Residence (County) | Vanderburgh |
| Hours Worked | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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: mother May Cook (~0.92 confidence) and father Arthur Cook (~0.92 confidence) and father Arthur Cook (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
May Cook
b. ~1890
Source mother
● Household
· direct · ~0.92
Father
Arthur Cook
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Arthur Cook
b. ~1892
Source father
● Household
· direct · ~0.92
This person
Anchor record
Helen Cook
Spouse · 1940 · age 27 · b. ~1913 · Indiana
★ 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 — Vanderburgh-County, Indiana
Open full size
1940 US Federal Census — Vanderburgh-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01114-00404)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James Emrich | 10 | Son | — | Indiana |
| 42 | Clarence Hesselman | 37 | Head | Press Operator | Indiana |
| 43 | Elizabeth Hesselman | 33 | Wife | Cigar Roller | Indiana |
| 44 | George Baumgartner | 66 | Head | — | Ohio |
| 45 | Emma Baumgartner | 66 | Wife | — | Indiana |
| 46 | William Baumgartner | 42 | Son | — | Indiana |
| 47 | George Baumgartner | 36 | Son | Fireman | Indiana |
| 48 | Paul Dike | 31 | Head | Press Operator | Indiana |
| 49 | Leona Dike | 30 | Wife | — | Indiana |
| 50 | Paul Jr Dike | 8 | Son | — | Indiana |
| 51 | Anna Dihl | 64 | Head | — | Germany |
| 52 | Edgar Riffert | 35 | Son-in-law | Group Leader | Indiana |
| 53 | Minnie Riffert | 33 | Daughter | — | Indiana |
| 54 | Jerry Riffert | 9 | Grandson | — | Indiana |
| 55 | Norman Pruis | 52 | Head | Nightwatchman | Kentucky |
| 56 | Bertie Pruis | 54 | Wife | — | Kentucky |
| 57 | Clarence Pruis | 18 | Son | Stockchaser | Kentucky |
| 58 | Fridie Pruis | 14 | Son | — | Kentucky |
| 59 | Edna Pruis | 12 | Daughter | — | Indiana |
| 60 | Thomas Vinson | 44 | Head | Blacksmith | Kentucky |
| 61 | Lula Vinson | 41 | Wife | — | Kentucky |
| 62 | Emda Vinson | 19 | Daughter | — | Kentucky |
| 63 | Harry Eaton | 32 | Head | Owner & Mgr | Indiana |
| 64 | Edna Eaton | 33 | Wife | — | Indiana |
| 65 | William Elmendorf | 33 | Head | Spindle Carver & Sander | Indiana |
| 66 | Beulah Elmendorf | 31 | Wife | — | Kentucky |
| 67 | Judith Elmendorf | 7 | Daughter | — | Indiana |
| 68 | Aubrey Cook | 33 | Head | Truckdriver | Kentucky |
| 69 | Helen Cook THIS PERSON | 27 | Wife | — | Indiana |
| 70 | Vernon Cook | 4 | Son | — | Indiana |
| 71 | Donald Cook | 2 | Son | — | Indiana |
| 72 | Larry Cook | 0 | Son | — | Indiana |
| 73 | Margaret Daugherty | 34 | Head | Seamstress | Kentucky |
| 74 | Louise Daugherty | 16 | Daughter | — | Indiana |
| 75 | Floyd Daugherty | 15 | Son | — | Indiana |
| 76 | Doris Daugherty | 12 | Daughter | — | Indiana |
| 77 | George Leisure | 42 | Head | Wheat Elevator Operator | Kentucky |
| 78 | Ella Mae Leisure | 37 | Wife | — | Kentucky |
| 79 | Jacqueline Leisure | 17 | Daughter | — | Indiana |
| 80 | Ester Leisure | 20 | Daughter | — | Indiana |
Pedigree Summary
Helen
Gen 1 · 3 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)