HG
Helen Gray — 1930 US Census Record
Model Tree available1930 United States Federal Census · Guernsey, Ohio
Our Model Tree links this Helen Gray across the 1920, 1930 and 1940 US Censuses in Guernsey, Ohio (XGBoost, ~Confirmed), with identified parents Harvey & John — first a daughter (b.~1915), then head of a 4-person household.
Age 15
b. ~1915
Female
Daughter
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Guernsey, Ohio |
| Surname | Gray |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | West Virginia |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Londonderry Township |
| Est. Birth Year | ~1915 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Harvey Gray | Head | — | 56 | ~1874 |
| Nancy Gray | Spouse | — | 51 | ~1879 |
| Helen Gray | Daughter | — | 15 | ~1915 |
| Ethel Gray | Daughter | — | 9 | ~1921 |
Census Appearances
1920
Guernsey, Ohio
Daughter, age 5
Guernsey, Ohio · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | West Virginia |
| Speaks English | none |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Guernsey, Ohio
Daughter, age 15
Guernsey, Ohio · implied b. ~1915 — 4 household members
| Surname | Gray |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | West Virginia |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Guernsey-County, Ohio
Spouse, age 27
Guernsey-County, Ohio · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Hazel R |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Cambridge |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 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 Gray across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harvey Gray (~0.92 confidence) and father John Gray (~0.92 confidence) and mother Nancy Gray (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harvey Gray
b. ~1874
Source father
● Household
· direct · ~0.92
Father
John Gray
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Nancy Gray
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Gray
Daughter · 1930 · age 15 · b. ~1915 · Ohio
★ You are viewing this record
Sibling
Ethel Gray
Sibling · 1930 · 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
1930 US Federal Census — Guernsey, Ohio
Open full size
1930 US Federal Census — Guernsey, Ohio
Page Contents
50 people indexed on this census page (ia:1930:ohiocensus00reel1805:0186)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | William H Smith | 57 | Head | Plasterer | Ohio |
| 52 | George D Smith | 19 | Son | — | Ohio |
| 53 | Mary V Smith | 16 | Daughter | — | Ohio |
| 54 | Lida N Smith | 14 | Daughter | — | Ohio |
| 55 | Elza A Abells | 74 | Head | Farmer | Ohio |
| 56 | Nellie J Abells | 63 | Wife | — | Ohio |
| 57 | Helen Lyons | 16 | Granddaughter | — | Ohio |
| 58 | Lucy Lyons | 14 | Granddaughter | — | Ohio |
| 59 | Nellie Lyons | 10 | Granddaughter | — | Ohio |
| 60 | Margaret J Hayhurst | 84 | Head | — | West Virginia |
| 61 | Alice D Hayhurst | 48 | Daughter | — | West Virginia |
| 62 | Harvey Gray | 56 | Head | Farmer | West Virginia |
| 63 | Nancy Gray | 51 | Wife | — | West Virginia |
| 64 | Helen Gray THIS PERSON | 15 | Daughter | — | Ohio |
| 65 | Ethel B Gray | 9 | Daughter | — | Ohio |
| 66 | Clyde L Downerd | 67 | Head | Farmer | Ohio |
| 67 | Wilmer A Downerd | 38 | Son | Laborer | Ohio |
| 68 | Martha E Downerd | 36 | Daughter-in-law | — | Ohio |
| 69 | Laura B Downerd | 13 | Granddaughter | — | Ohio |
| 70 | Gertrude M Downerd | 9 | Granddaughter | — | Ohio |
| 71 | Fred B Downerd | 69 | Head | Farmer | Ohio |
| 72 | Ida B Downerd | 58 | Wife | — | Ohio |
| 73 | Wade H Jordan | 21 | Stepson | Laborer | Ohio |
| 74 | Marion Harding | 50 | Head | Farmer | Ohio |
| 75 | Pearl Harding | 33 | Wife | — | Ohio |
| 76 | Lucile Harding | 15 | Daughter | — | Ohio |
| 77 | Howard Harding | 11 | Son | — | Ohio |
| 78 | Ray V Lake | 42 | Head | Farmer | Ohio |
| 79 | Rebecca Lake | 34 | Wife | — | Ohio |
| 80 | Wilford Lake | 17 | Son | — | Ohio |
| 81 | Alma Lake | 15 | Daughter | — | Ohio |
| 82 | Spencer Lake | 13 | Son | — | Ohio |
| 83 | Gilbert Lake | 12 | Son | — | Ohio |
| 84 | Richard Lake | 9 | Son | — | Ohio |
| 85 | Henry Cunningham | 63 | Head | Farmer | Ohio |
| 86 | Carrie Cunningham | 69 | Wife | — | Ohio |
| 87 | Gomer A Dryden | 44 | Head | Farmer | Ohio |
| 88 | May Dryden | 35 | Wife | — | Kansas |
| 89 | Zopher A Dryden | 12 | Son | — | Kansas |
| 90 | John Couts | 74 | Head | Farmer | Ohio |
| 91 | Jennie Couts | 58 | Wife | — | West Virginia |
| 92 | William B Petty | 59 | Head | Farmer | Ohio |
| 93 | Mary E Petty | 54 | Wife | — | West Virginia |
| 94 | Martha Riggs | 82 | Mother-in-law | — | Pennsylvania |
| 95 | James S Riggs | 49 | Head | Farmer | West Virginia |
| 96 | Altha Riggs | 43 | Wife | — | West Virginia |
| 97 | Clarence J Hibbs | 63 | Head | Laborer | Ohio |
| 98 | Alice J Hibbs | 61 | Wife | — | Ohio |
| 99 | Margaret Todd | 83 | Mother-in-law | — | Ohio |
| 100 | William Milligan | 76 | Head | Farmer | Ohio |
Pedigree Summary
Helen + 1 sibling
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 1930 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)