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Betty Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mahoning-County, Ohio
Our Model Tree links this Betty Clark across the 1930 and 1940 US Censuses in Mahoning-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1917), then head of a 9-person household.
Age 23
b. ~1917
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mahoning-County, Ohio |
| Surname | Clark |
| Given Name | Betty Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Youngstown |
| 1935 Residence (County) | Mahoning |
| Additional Details | |
| Occupation | Secretary |
| Industry | Building Construction |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 780 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Secretary |
| Township / Ward | Youngstown |
| 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 1940 census.
| Name | Relation to head | Relative to Betty | Age | Birth yr |
|---|---|---|---|---|
| Richard Clark | Son | — | 9 | ~1931 |
| Gladys Clark | Head | — | 41 | ~1899 |
| Helen Clark | Daughter | — | 18 | ~1922 |
| Charles Clark | Son | — | 19 | ~1921 |
| Nell Clark | Daughter | — | 15 | ~1925 |
| Ruth Clark | Daughter | — | 21 | ~1919 |
| Betty Clark | Daughter | — | 23 | ~1917 |
| Jessie Shartzer | Other | — | 67 | ~1873 |
| Emmett Clark | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Mahoning, Ohio
Daughter, age 13
Mahoning, Ohio · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Betty |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Mahoning-County, Ohio
Daughter, age 23
Mahoning-County, Ohio · implied b. ~1917 — 9 household members
| Surname | Clark |
| Given Name | Betty Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Youngstown |
| 1935 Residence (County) | Mahoning |
| Occupation | Secretary |
| Industry | Building Construction |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 780 |
| 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 Betty Clark across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Betty Clark
Daughter · 1940 · age 23 · b. ~1917 · Ohio
★ You are viewing this record
Sibling
Charles Clark
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nell Clark
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Clark
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Clark
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Clark
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 — Mahoning-County, Ohio
Open full size
1940 US Federal Census — Mahoning-County, Ohio
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03267-00362)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Amreich, Grace Amreihn | 23 | Daughter | New Worker | Ohio |
| 2 | Paul Knill | 49 | Head | Conductor | Indiana |
| 3 | Oliver G. Hudson | 24 | Partner | Engineer | Texas |
| 4 | William J. Ohl | 26 | Partner | Engineer | Ohio |
| 5 | Robert M. Winter | 59 | Head | Secretary Of Real Estate | Pennsylvania |
| 6 | Edna May Winter | 48 | Wife | — | Pennsylvania |
| 7 | Cora B. Alberto | 53 | Sister in law | — | Pennsylvania |
| 9 | Ellen Cullinan | 63 | Head | — | Pennsylvania |
| 10 | George Hannon | 38 | Son in law | Oil Distributor | Michigan |
| 11 | Nora Hannon | 35 | Daughter | — | Ohio |
| 12 | George Jr. Hannon | 18 | Son | Bus Boy | Ohio |
| 13 | Edward Hannon | 15 | Son | — | Ohio |
| 14 | William Cullinan | 14 | Grand son | — | Ohio |
| 15 | Audrey Ann Hannon | 7 | Daughter | — | Ohio |
| 16 | Michael Sausa | 51 | Head | Laborer | Wisconsin |
| 17 | Nella Sausa | 50 | Daughter | Grade School Teacher | Ohio |
| 18 | Kathleen Burke | 36 | Daughter | — | Ohio |
| 19 | Paul Burke | 10 | Son in law | — | Ohio |
| 20 | Edwin Montgomery | 24 | Lodger | Teacher | Ohio |
| 21 | Arthur W. Schwartz | 44 | Lodger | Teacher | Ohio |
| 22 | Gladys Clark | 41 | Head | — | Pennsylvania |
| 23 | Emmett Clark | 44 | Husband | — | Ohio |
| 24 | Betty Jane Clark THIS PERSON | 23 | Daughter | Secretary | Ohio |
| 25 | Ruth Clark | 21 | Daughter | Clerk | Ohio |
| 26 | Charles Clark | 19 | Son | Gas Station Tender | Ohio |
| 27 | Helen Clark | 18 | Daughter | New Worker | Ohio |
| 28 | Nell Clark | 15 | Daughter | — | Ohio |
| 29 | Richard Clark | 9 | Son | — | Ohio |
| 30 | Jessie Shartzer | 67 | Mother | — | Pennsylvania |
| 31 | David Thomas | 75 | Head | — | South Wales |
| 32 | Rachel Thomas | 76 | Wife | — | South Wales |
| 33 | Bella Thomas | 50 | Daughter | — | Pennsylvania |
| 34 | Della Thomas | 45 | Daughter | Secretary | Ohio |
| 35 | Vivian Jones | 36 | Head | Sales Clerk | Ohio |
| 36 | Mary Jones | 35 | Wife | Stenographer | Ohio |
| 37 | Kenneth Hendricks | 38 | Head | Service Manager | Ohio |
| 38 | Helen Hendricks | 42 | Wife | — | Pennsylvania |
| 39 | Dorothea Yenik | 65 | Head | — | Indiana |
| 40 | Margaret Yenik | 27 | Daughter | Librarian | Ohio |
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)