AC
Ada Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Boone-County, West Virginia
Our Model Tree links this Ada Clark across the 1930 and 1940 US Censuses in Boone-County, West Virginia (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 7-person household.
Age 19
b. ~1921
Female
Daughter
Born: West Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Boone-County, West Virginia |
| Surname | Clark |
| Given Name | Ada B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | West Virginia |
| 1935 Residence (City) | Seth |
| 1935 Residence (County) | Boone |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
| Township / Ward | Seth |
| Est. Birth Year | ~1921 |
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 Ada | Age | Birth yr |
|---|---|---|---|---|
| Dessa Clark | Daughter | — | 17 | ~1923 |
| Ada Clark | Daughter | — | 19 | ~1921 |
| Betty Clark | Daughter | — | 10 | ~1930 |
| Ray Clark | Head | — | 41 | ~1899 |
| Lois Clark | Daughter | — | 15 | ~1925 |
| Nellie Clark | Spouse | — | 40 | ~1900 |
| Billie Clark | Son | — | 13 | ~1927 |
Census Appearances
1930
Boone, West …
Daughter, age 9
Boone, West Virginia · implied b. ~1921 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Ada |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | West Virginia |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | West Virginia |
| Can Read/Write | Yes |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1940
Boone-County, West …
Daughter, age 19
Boone-County, West Virginia · implied b. ~1921 — 7 household members
| Surname | Clark |
| Given Name | Ada B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | West Virginia |
| 1935 Residence (City) | Seth |
| 1935 Residence (County) | Boone |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
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 Ada Clark across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ada Clark
Daughter · 1940 · age 19 · b. ~1921 · West Virginia
★ You are viewing this record
Sibling
Billie Clark
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Clark
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Clark
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dessa Clark
Sibling · 1940 · age 17
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 — Boone-County, West Virginia
Open full size
1940 US Federal Census — Boone-County, West Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04394-00505)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dennis P. Ferrell | 32 | Head | Miner | West Virginia |
| 2 | Ethel I. Ferrell | 26 | Wife | — | West Virginia |
| 3 | Loretta F. Ferrell | 6 | Daughter | — | West Virginia |
| 4 | Orville L. Ferrell | 5 | Son | — | West Virginia |
| 5 | Kermit C. Ferrell | 3 | Son | — | West Virginia |
| 6 | Eula M. Ferrell | 1 | Daughter | — | West Virginia |
| 7 | Levi O. Ferrell | 77 | Father | — | Virginia |
| 8 | Minnie Ferrell | 70 | Mother | — | Virginia |
| 9 | Clifford Haynes | 42 | Head | Miner | West Virginia |
| 10 | Mildred P. Haynes | 18 | Daughter | — | West Virginia |
| 11 | Christine R. Haynes | 16 | Daughter | — | West Virginia |
| 12 | William E. Walker | 33 | Head | Carpenter | West Virginia |
| 13 | Emma E. Walker | 29 | Wife | — | West Virginia |
| 14 | Dallas C. Walker | 32 | Son | Miner | West Virginia |
| 15 | Opal Walker | 27 | Daughter in law | — | West Virginia |
| 16 | Edgar L. Walker | 7 | Grandson | — | West Virginia |
| 17 | Velma L. Walker | 0 | Granddaughter | — | West Virginia |
| 18 | Corbett J. Barker | 43 | Head | Miner | West Virginia |
| 19 | Villie C. Barker | 48 | Wife | — | West Virginia |
| 20 | Earnist C. Price | 19 | Step son | New Worker | West Virginia |
| 21 | Kenneth K. Price | 18 | Step son | New Worker | West Virginia |
| 22 | Delbert E. Price | 11 | Step son | — | West Virginia |
| 23 | Edna V. Barker | 10 | Daughter | — | West Virginia |
| 24 | William D. Workman | 62 | Head | Truant Officer | Ohio |
| 25 | Mintie Workman | 52 | Wife | — | West Virginia |
| 26 | Convert L. Workman | 28 | Son | Miner | West Virginia |
| 27 | Virtie M. Workman | 18 | Daughter in law | — | West Virginia |
| 28 | Flavio J. Workman | 0 | Granddaughter | — | West Virginia |
| 29 | Lloyd W. Crosby | 36 | Head | Examiner | Alabama |
| 30 | Beula G. Crosby | 34 | Wife | — | Alabama |
| 31 | Everett L. Crosby | 8 | Son | — | Alabama |
| 32 | Anne L. Crosby | 2 | Daughter | — | West Virginia |
| 33 | Haris C. Crosby | 1 | Daughter | — | West Virginia |
| 34 | Ray A. Clark | 41 | Head | Miner | West Virginia |
| 35 | Nellie A. Clark | 40 | Wife | — | West Virginia |
| 36 | Ada B. Clark THIS PERSON | 19 | Daughter | — | West Virginia |
| 37 | Dessa R. Clark | 17 | Daughter | — | West Virginia |
| 38 | Lois I. Clark | 15 | Daughter | — | West Virginia |
| 39 | Billie C. Clark | 13 | Son | — | West Virginia |
| 40 | Betty J. Clark | 10 | Daughter | — | West Virginia |
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)