HC
Helen Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Campbell-County, Kentucky
Our Model Tree links this Helen Clark across the 1930 and 1940 US Censuses in Campbell-County, Kentucky (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 16-person household.
Age 11
b. ~1929
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Campbell-County, Kentucky |
| Surname | Clark |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Newport |
| 1935 Residence (County) | Campbell |
| Additional Details | |
| Highest Grade | 6 |
| 1935 Residence | Same Place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Newport |
| Est. Birth Year | ~1929 |
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.
16 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Clark | Daughter | — | 11 | ~1929 |
| Shirley Clark | Daughter | — | 10 | ~1930 |
| Loretta Clark | Daughter | — | 5 | ~1935 |
| Carol Clark | Daughter | — | 1 | ~1939 |
| Clara Clark | Daughter | — | 15 | ~1925 |
| Betty Clark | Daughter | — | 13 | ~1927 |
| William Clark | Head | — | 41 | ~1899 |
| Alice Williams | Other | — | 21 | ~1919 |
| William Williams | Other | — | ~1940 | |
| John Williams | Son | — | 24 | ~1916 |
| Charles Clark | Son | — | 9 | ~1931 |
| John Clark | Son | — | 22 | ~1918 |
| James Clark | Son | — | 21 | ~1919 |
| Edwin Clark | Son | — | 7 | ~1933 |
| Melvin Clark | Son | — | 3 | ~1937 |
| Isolene Clark | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Campbell, Kentucky
Other, age
Campbell, Kentucky · implied b. ~1930 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Helen D |
| Relationship to Head | grand daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Campbell-County, Kentucky
Daughter, age 11
Campbell-County, Kentucky · implied b. ~1929 — 16 household members
| Surname | Clark |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Newport |
| 1935 Residence (County) | Campbell |
| Highest Grade | 6 |
| 1935 Residence | Same Place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Clark across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Helen Clark
Daughter · 1940 · age 11 · b. ~1929 · Kentucky
★ You are viewing this record
Sibling
John Williams
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Clark
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carol Clark
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Clark
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edwin Clark
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Clark
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Melvin Clark
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Clark
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Clark
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Clark
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loretta Clark
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 — Campbell-County, Kentucky
Open full size
1940 US Federal Census — Campbell-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01289-00808)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Rebecca Krakauer | 40 | Boarder | Manager | Kentucky |
| 42 | William Clark | 41 | Head | Laborer | Ohio |
| 43 | Isolene Clark | 40 | Wife | — | Ohio |
| 44 | John Frederick Clark | 22 | Son | Laborer | Indiana |
| 45 | James L. Clark | 21 | Son | Waiter | Indiana |
| 46 | Clara Clark | 15 | Daughter | Waiter | Kentucky |
| 47 | Betty Clark | 13 | Daughter | — | Kentucky |
| 48 | Helen Clark THIS PERSON | 11 | Daughter | — | Kentucky |
| 49 | Shirley Clark | 10 | Daughter | — | Kentucky |
| 50 | Charles Clark | 9 | Son | — | Kentucky |
| 51 | Edwin Clark | 7 | Son | — | Kentucky |
| 52 | Loretta Jean Clark | 5 | Daughter | — | Kentucky |
| 53 | Melvin Clark | 3 | Son | — | Kentucky |
| 54 | Carol Clark | 1 | Daughter | — | Kentucky |
| 55 | John Williams | 24 | Son | Laborer | Ohio |
| 56 | Alice Williams | 21 | Daughter-in-law | — | Ohio |
| 57 | William Jr. Williams | 0 | Grandson | — | Kentucky |
| 58 | Barbara Clifton | 73 | Head | — | Kentucky |
| 59 | William Blackburn | 47 | Head | Carpenter | Kentucky |
| 60 | Bertha Blackburn | 51 | Wife | — | Kentucky |
| 61 | Clarence Blackburn | 23 | Son | — | Ohio |
| 62 | Carl Liles | 18 | Head | Repairer | Kentucky |
| 63 | Alice Liles | 19 | Wife | — | Kentucky |
| 64 | Abner Pahamp | 58 | Head | Laborer | Indiana |
| 65 | William Pahamp | 22 | Son | Laborer | Indiana |
| 66 | Greenbury Wilson | 41 | Head | Laborer | Kentucky |
| 67 | Anna Wilson | 35 | Wife | — | Kentucky |
| 68 | Chester Wilson | 16 | Son | — | Kentucky |
| 69 | Louis Wilson | 17 | Son | — | Kentucky |
| 70 | Joyce Wilson | 10 | Daughter | — | Kentucky |
| 71 | Gladest Wilson | 9 | Daughter | — | Kentucky |
| 72 | Earl Wilson | 7 | Son | — | Kentucky |
| 73 | Beryl Wilson | 5 | Daughter | — | Kentucky |
| 74 | Sylvia Jean Wilson | 3 | Daughter | — | Kentucky |
| 75 | Charles Clark | 35 | Head | Laborer | Kentucky |
| 76 | Bessie Clark | 33 | Wife | — | Kentucky |
| 77 | Arthur Clark | 13 | Son | — | Indiana |
| 78 | James Clark | 9 | Son | — | Kentucky |
| 79 | Ralph Clark | 6 | Son | — | Kentucky |
| 80 | Paul Clark | 1 | Son | — | Kentucky |
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)