HC
Hazel Clark — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Hamilton, Ohio
Our Model Tree links this Hazel Clark across the 1920 and 1930 US Censuses in Hamilton, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1917), then head of a 9-person household.
Age 13
b. ~1917
Female
Daughter
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Hamilton, Ohio |
| Surname | Clark |
| Given Name | Hazel B |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Cincinnati City |
| Est. Birth Year | ~1917 |
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 1930 census.
| Name | Relation to head | Relative to Hazel | Age | Birth yr |
|---|---|---|---|---|
| Walter Clark | Head | — | 52 | ~1878 |
| Hazel Clark | Daughter | — | 13 | ~1917 |
| Thelma Noll | Other | — | 10 | ~1920 |
| Alice Clark | Spouse | — | 46 | ~1884 |
| John Clark | Son | — | 8 | ~1922 |
| Charles Clark | Son | — | 23 | ~1907 |
| Marion Clark | Daughter | — | 16 | ~1914 |
| Dorothy Clark | Daughter | — | 28 | ~1902 |
| Paul Clark | Son | — | 4 | ~1926 |
Census Appearances
1920
Hamilton, Ohio
Daughter, age 4
Hamilton, Ohio · implied b. ~1916 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Hazel Belle |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| 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 13
Hamilton, Ohio · implied b. ~1917 — 9 household members
| Surname | Clark |
| Given Name | Hazel B |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| 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 Hazel Clark across 2 US Census years (1920 and 1930) in Hamilton, Ohio, using XGBoost record linkage.
Show:
This person
Anchor record
Hazel Clark
Daughter · 1930 · age 13 · b. ~1917 · Ohio
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Sibling
Charles Clark
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Clark
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Clark
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Clark
Sibling · 1930 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Clark
Sibling · 1930 · age 16
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 — Hamilton, Ohio
Open full size
1930 US Federal Census — Hamilton, Ohio
Page Contents
23 people indexed on this census page (ia:1930:ohiocensus00reel1805:0926)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Herbert L Kizinski | 26 | Head | Machinist | Ohio |
| 2 | Ester E Kizinski | 20 | Wife | — | Ohio |
| 3 | Herbert W Kizinski | 2 | Son | — | Ohio |
| 4 | Elizabeth Kizinski | 0 | Daughter | — | Ohio |
| 5 | Anthony Schiel | 66 | Head | Laborer | Germany |
| 6 | Walter L Clark | 52 | Head | Sawyer | Ohio |
| 7 | Alice L Clark | 46 | Wife | — | Ohio |
| 8 | Dorothy M Clark | 28 | Daughter | Assorter | Ohio |
| 9 | Charles G Clark | 23 | Son | Truck Driver | Ohio |
| 10 | Marion B Clark | 16 | Daughter | — | Ohio |
| 11 | Hazel B Clark THIS PERSON | 13 | Daughter | — | Ohio |
| 12 | John J Clark | 8 | Son | — | Ohio |
| 13 | Paul D Clark | 4 | Son | — | Ohio |
| 14 | Thelma Noll | 10 | Grand dau | — | Ohio |
| 15 | Arch Clift | 31 | Head | Fireman Plant Oper | Kentucky |
| 16 | Dorothy Clift | 25 | Wife | — | Ohio |
| 17 | William S Clift | 10 | Son | — | Ohio |
| 18 | Alice M Clift | 7 | Daughter | — | Ohio |
| 19 | Lillian M Clift | 6 | Daughter | — | Ohio |
| 20 | Virginia Clift | 5 | Daughter | — | Ohio |
| 21 | George Wardlow | 39 | Head | Truck Driver | Ohio |
| 22 | David Wardlow | 12 | Son | — | Ohio |
| 23 | Otto Robey | 48 | Head | Fireman | Ohio |
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)