HC
Helen Cooper — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Adams-County, Ohio
Our Model Tree links this Helen Cooper across the 1930 and 1940 US Censuses in Adams-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 9-person household.
Age 14
b. ~1926
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Adams-County, Ohio |
| Surname | Cooper |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Pike |
| 1935 Residence (County) | Pike |
| Additional Details | |
| Highest Grade | G 8 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Jefferson Twp |
| Est. Birth Year | ~1926 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Herbert Cooper | Head | — | 40 | ~1900 |
| Hazel Cooper | Spouse | — | 34 | ~1906 |
| Stella Cooper | Daughter | — | 9 | ~1931 |
| Decia Cooper | Son | — | 3 | ~1937 |
| William Cooper | Son | — | 7 | ~1933 |
| Irene Cooper | Daughter | — | 15 | ~1925 |
| Herbert Cooper | Son | — | 12 | ~1928 |
| Jackie Cooper | Son | — | 5 | ~1935 |
| Helen Cooper | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Adams, Ohio
Daughter, age 5
Adams, Ohio · implied b. ~1925 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Helen C. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Adams-County, Ohio
Daughter, age 14
Adams-County, Ohio · implied b. ~1926 — 9 household members
| Surname | Cooper |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Pike |
| 1935 Residence (County) | Pike |
| Highest Grade | G 8 |
| 1935 Residence | Ohio |
| 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 Cooper across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Helen Cooper
Daughter · 1940 · age 14 · b. ~1926 · Ohio
★ You are viewing this record
Sibling
Stella Cooper
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Decia Cooper
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Cooper
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Cooper
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Cooper
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jackie Cooper
Sibling · 1940 · age 5
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 — Adams-County, Ohio
Open full size
1940 US Federal Census — Adams-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03019-00154)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Carl Miller | 10 | Cousin | — | Ohio |
| 42 | Oakley Ogden | 42 | Head | Salesman | Ohio |
| 43 | Eryl D Ogden | 39 | Wife | — | Ohio |
| 44 | Ray Ogden | 21 | Son | Labour | Ohio |
| 45 | William M Ogden | 18 | Son | Labour | Ohio |
| 46 | Thomas O Ogden | 14 | Son | — | Ohio |
| 47 | Richard Leroy Ogden | 11 | Son | — | Ohio |
| 48 | Joseph H Ogden | 8 | Son | — | Ohio |
| 49 | Charles Reed | 23 | Head | Laborer | Ohio |
| 50 | Dora Reed | 23 | Wife | — | Ohio |
| 51 | Thomas Reed | 2 | Son | — | Ohio |
| 52 | Charles Reed | 0 | Son | — | Ohio |
| 53 | Harley Williams | 41 | Head | Operator | Ohio |
| 54 | Edith Williams | 36 | Wife | — | Ohio |
| 55 | James Williams | 15 | Son | — | Ohio |
| 56 | Andrew Williams | 66 | Head | — | Ohio |
| 57 | Mariah Williams | 76 | Wife | — | Ohio |
| 58 | Millard Hanson | 51 | Head | Farming | Ohio |
| 59 | Julia Hanson | 46 | Wife | — | Kentucky |
| 60 | Russell Hanson | 22 | Son | Truck Driver | Ohio |
| 61 | Ruth Hanson | 20 | Daughter | New Worker | Ohio |
| 62 | Ray Hanson | 17 | Son | Labour | Ohio |
| 63 | Roberta Hanson | 14 | Daughter | — | Ohio |
| 64 | Robert Hanson | 11 | Son | — | Ohio |
| 65 | Ruth Faye Hanson | 9 | Daughter | — | Ohio |
| 66 | Richard Hanson | 8 | Son | — | Ohio |
| 67 | Harley Hanson | 6 | Son | — | Ohio |
| 68 | Millard Jr Hanson | 4 | Son | — | Ohio |
| 69 | Marion Hanson | 2 | Daughter | — | Ohio |
| 70 | Ronald Hanson | 25 | Head | Trucking | Ohio |
| 71 | Audrey Hanson | 24 | Wife | — | Ohio |
| 72 | Herbert Cooper | 40 | Head | Laborer | Ohio |
| 73 | Hazel Cooper | 34 | Wife | — | Kentucky |
| 74 | Irene Cooper | 15 | Daughter | — | Ohio |
| 75 | Helen Cooper THIS PERSON | 14 | Daughter | — | Ohio |
| 76 | Herbert Jr Cooper | 12 | Son | — | Ohio |
| 77 | Stella Cooper | 9 | Daughter | — | Ohio |
| 78 | William Cooper | 7 | Son | — | Ohio |
| 79 | Jackie Cooper | 5 | Son | — | Ohio |
| 80 | Decia Cooper | 3 | Son | — | Ohio |
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)