HG
Helen Gray — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clermont-County, Ohio
Our Model Tree links this Helen Gray across the 1920, 1930 and 1940 US Censuses in Clermont-County, Ohio (XGBoost, ~Confirmed), with identified parents George & George — first a daughter (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clermont-County, Ohio |
| Surname | Gray |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Mt. Carmel |
| 1935 Residence (County) | Clermont |
| Additional Details | |
| Occupation | stenographer |
| Industry | Typewriter Mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 736 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Stenographer |
| Township / Ward | Mt Carmel |
| Est. Birth Year | ~1919 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| William Gray | Son | — | 25 | ~1915 |
| George Gray | Head | — | 52 | ~1888 |
| Edith Gray | Spouse | — | 53 | ~1887 |
| Charles Gray | Son | — | 18 | ~1922 |
| Arthur Gray | Son | — | 13 | ~1927 |
| Helen Gray | Daughter | — | 21 | ~1919 |
| Stanley Gray | Son | — | 23 | ~1917 |
Census Appearances
1920
Hamilton, Ohio
Daughter, age 1
Hamilton, Ohio · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Hamilton, Ohio
Daughter, age 11
Hamilton, Ohio · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Clermont-County, Ohio
Daughter, age 21
Clermont-County, Ohio · implied b. ~1919 — 7 household members
| Surname | Gray |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Mt. Carmel |
| 1935 Residence (County) | Clermont |
| Occupation | stenographer |
| Industry | Typewriter Mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 736 |
| Highest Grade | Hs 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 Gray across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Gray (~0.92 confidence) and father George Gray (~0.92 confidence) and mother Edith Gray (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Gray
b. ~1888
Source father
● Household
· direct · ~0.92
Father
George Gray
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Edith Gray
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Gray
Daughter · 1940 · age 21 · b. ~1919 · Ohio
★ You are viewing this record
Sibling
Arthur Gray
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Gray
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stanley Gray
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Gray
Sibling · 1940 · age 25
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 — Clermont-County, Ohio
Open full size
1940 US Federal Census — Clermont-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03041-00788)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George Gray | 52 | Head | Yardmaster | Ohio |
| 2 | Edith Gray | 53 | Wife | — | Ohio |
| 3 | William Gray | 25 | Son | Garage | Ohio |
| 4 | Stanley Gray | 23 | Son | Trainman | Ohio |
| 5 | Helen Gray THIS PERSON | 21 | Daughter | Stenographer | Ohio |
| 6 | Charles Gray | 18 | Son | — | Ohio |
| 7 | Arthur Gray | 13 | Son | — | Ohio |
| 8 | William Hinkle | 41 | Head | Truck Driver | Kentucky |
| 9 | Margaret Hinkle | 40 | Wife | — | Kentucky |
| 10 | William Jr. Hinkle | 16 | Son | — | Ohio |
| 11 | Charlene Hinkle | 15 | Daughter | — | Ohio |
| 12 | Shirley Hinkle | 10 | Daughter | — | Ohio |
| 13 | Janet Hinkle | 6 | Daughter | — | Ohio |
| 14 | Mabel Adams | 18 | Daughter | — | Ohio |
| 15 | Arthur Adams | 22 | Son-in-law | Aeronautical | Kentucky |
| 16 | Edward Kafka | 28 | Head | Welder | Ohio |
| 17 | Ruth Kafka | 20 | Wife | — | Ohio |
| 18 | Ruth Elizabeth Kafka | 0 | Daughter | — | Ohio |
| 19 | Charles Edward Marsh | 74 | Head | — | Ohio |
| 20 | Jennie Marsh | 70 | Wife | — | Ohio |
| 21 | Albert Wuerdeman | 65 | Head | Farmer | Ohio |
| 22 | Lillie Wuerdeman | 55 | Wife | H | Ohio |
| 23 | Charles Evans | 47 | Head | Lumberchecker | Ohio |
| 24 | Erma Evans | 46 | Wife | H | Ohio |
| 25 | Lawrence Evans | 6 | Son | — | Ohio |
| 26 | John Ward | 70 | Head | Farmer | Kentucky |
| 27 | Blanche Ward | 59 | Wife | — | Ohio |
| 28 | Howard Ward | 21 | Son | Shovel Operator | Ohio |
| 29 | John Ward | 37 | Head | Shovel Operator | Ohio |
| 30 | Clara Ward | 33 | Wife | — | Ohio |
| 31 | James Ward | 4 | Son | — | Ohio |
| 32 | Don Ward | 3 | Son | — | Ohio |
| 33 | John Walters | 54 | Head | Tailor | Hungary |
| 34 | Ethel Walters | 50 | Wife | — | Hungary |
| 35 | Edward Walters | 22 | Son | — | Ohio |
| 36 | Joe Dameron | 54 | Head | Farmer | Kentucky |
| 37 | May Dameron | 54 | Wife | — | Kentucky |
| 38 | Raymond Riggs | 30 | Head | Molding | Ohio |
| 39 | Lucille Riggs | 33 | Wife | — | Ohio |
| 40 | Ralph Riggs | 3 | Son | — | Ohio |
Pedigree Summary
Helen + 4 siblings
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)