HC
Helen Cook — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Noble-County, Indiana
Our Model Tree links this Helen Cook across the 1930 and 1940 US Censuses in Noble-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 10-person household.
Age 19
b. ~1921
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Noble-County, Indiana |
| Surname | Cook |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Ligonier |
| 1935 Residence (County) | Noble |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Ligonier |
| Est. Birth Year | ~1921 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Maxine Cook | Daughter | — | 9 | ~1931 |
| Helen Cook | Daughter | — | 19 | ~1921 |
| Gladys Cook | Daughter | — | 13 | ~1927 |
| Pearl Cook | Spouse | — | 47 | ~1893 |
| Rose Richard | Other | — | 17 | ~1923 |
| Nancy Cook | Daughter | — | 5 | ~1935 |
| James Cook | Son | — | 23 | ~1917 |
| Earl Cook | Head | — | 50 | ~1890 |
| Frank Cook | Son | — | 11 | ~1929 |
| Betty Cook | Daughter | — | 15 | ~1925 |
Census Appearances
1930
Noble, Indiana
Daughter, age 9
Noble, Indiana · implied b. ~1921 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Hellen M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Noble-County, Indiana
Daughter, age 19
Noble-County, Indiana · implied b. ~1921 — 10 household members
| Surname | Cook |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Ligonier |
| 1935 Residence (County) | Noble |
| Hours Worked | 0 |
| Highest Grade | No 5 |
| 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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Helen Cook
Daughter · 1940 · age 19 · b. ~1921 · Indiana
★ You are viewing this record
Sibling
Nancy Cook
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Cook
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gladys Cook
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Cook
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Cook
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maxine Cook
Sibling · 1940 · age 9
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 — Noble-County, Indiana
Open full size
1940 US Federal Census — Noble-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01082-00451)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gladys Gillespie | 43 | Daughter | School Teacher | Indiana |
| 42 | John C. Cook | 36 | Head | Laborer | Indiana |
| 43 | Francis S. Cook | 24 | Wife | — | Indiana |
| 44 | Junior Cook | 4 | Son | — | Indiana |
| 45 | Henry Earl Cook | 2 | Son | — | Indiana |
| 46 | Mary Jane Cook | 0 | Daughter | — | Indiana |
| 47 | Reuben Pratt | 38 | Head | Section Hand | Indiana |
| 48 | Helen Pratt | 33 | Wife | Machine Operator | Indiana |
| 49 | Larry Flowers | 12 | Step son | — | Indiana |
| 50 | Albert Stabler | 42 | Head | Laborer | Ohio |
| 51 | Nora Stabler | 35 | Wife | Machine Operator | Indiana |
| 52 | Hershel Reed | 42 | Head | Decorator | Indiana |
| 53 | Doris Reed | 40 | Wife | — | Illinois |
| 54 | Dale Reed | 13 | Son | — | Indiana |
| 55 | Frances Reed | 11 | Daughter | — | Indiana |
| 56 | Allen Dee Reed | 9 | Son | — | Indiana |
| 57 | Jess Ostrander | 34 | Head | Laborer In Pw | Indiana |
| 58 | Frances Ostrander | 25 | Wife | — | Indiana |
| 59 | Denis Ostrander | 5 | Son | — | Indiana |
| 60 | Linda Ostrander | 3 | Daughter | — | Indiana |
| 61 | Earl Cook | 50 | Head | Was On Wpa | Indiana |
| 62 | Pearl Cook | 47 | Wife | — | Indiana |
| 63 | James Cook | 23 | Son | Cook | Indiana |
| 64 | Helen Cook THIS PERSON | 19 | Daughter | — | Indiana |
| 65 | Betty Cook | 15 | Daughter | — | Indiana |
| 66 | Gladys Cook | 13 | Daughter | — | Indiana |
| 67 | Frank Cook | 11 | Son | — | Indiana |
| 68 | Maxine Cook | 9 | Daughter | — | Indiana |
| 69 | Nancy Jane Cook | 5 | Daughter | — | Indiana |
| 70 | Rose Ann Richard | 17 | Granddaughter | — | Indiana |
| 71 | Samuel Johnson | 65 | Head | Laborer | Indiana |
| 72 | Jennie Johnson | 57 | Wife | — | Indiana |
| 73 | Charles Wagner | 46 | Head | Custodian | Indiana |
| 74 | Jean Wagner | 37 | Wife | — | Indiana |
| 75 | Gwen Wagner | 25 | Daughter | Reporter | Indiana |
| 76 | Roxena Mayfield | 23 | Daughter | Machine Operator | Indiana |
| 77 | Tommy Mayfield | 4 | Grandson | — | Indiana |
| 78 | John Fink | 64 | Head | Carpenter | Indiana |
| 79 | Hannah Fink | 61 | Wife | Custom Baking | Indiana |
| 80 | Mina Hunter | 45 | Head | — | Indiana |
Related Census Records
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)