MC
Mildred Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mercer-County, West Virginia
Our Model Tree links this Mildred Clark across the 1930 and 1940 US Censuses in Mercer-County, West Virginia (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 13-person household.
Age 11
b. ~1929
Female
Daughter
Born: West Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, West Virginia |
| Surname | Clark |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | West Virginia |
| 1935 Residence (City) | Matoaka (part) |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
| Township / Ward | Matoaka Part |
| 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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mildred | Age | Birth yr |
|---|---|---|---|---|
| Bettie Clark | Daughter | — | 2 | ~1938 |
| Kathleen Clark | Daughter | — | 14 | ~1926 |
| Nancy Clark | Daughter | — | 5 | ~1935 |
| Lula Clark | Daughter | — | 6 | ~1934 |
| Mildred Clark | Daughter | — | 11 | ~1929 |
| George Clark | Head | — | 45 | ~1895 |
| Robert Clark | Son | — | 12 | ~1928 |
| Clinton Clark | Son | — | 15 | ~1925 |
| Ison Clark | Son | — | 23 | ~1917 |
| Desmond Clark | Son | — | 19 | ~1921 |
| George Clark | Son | — | 8 | ~1932 |
| Hampton Clark | Son | — | 18 | ~1922 |
| Hulda Clark | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Mercer, West …
Daughter, age
Mercer, West Virginia · implied b. ~1930 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Mildred Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | West Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | West Virginia |
| Occupation | none |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1940
Mercer-County, West …
Daughter, age 11
Mercer-County, West Virginia · implied b. ~1929 — 13 household members
| Surname | Clark |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | West Virginia |
| 1935 Residence (City) | Matoaka (part) |
| 1935 Residence (County) | Mercer |
| Highest Grade | No 3 |
| 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 Mildred Clark across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mildred Clark
Daughter · 1940 · age 11 · b. ~1929 · West Virginia
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Sibling
George Clark
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Clark
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ison Clark
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lula Clark
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Desmond Clark
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bettie Clark
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nancy Clark
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen Clark
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clinton Clark
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hampton Clark
Sibling · 1940 · age 18
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 — Mercer-County, West Virginia
Open full size
1940 US Federal Census — Mercer-County, West Virginia
Page Contents
23 people indexed on this census page (nara:1940:m-t0627-04429-00493)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George Clark | 45 | Head | Coal Loader | West Virginia |
| 2 | Hulda A. Clark | 42 | Wife | — | West Virginia |
| 3 | Ison Clark | 23 | Son | Coal Miner | Virginia |
| 4 | Desmond Clark | 19 | Son | Laborer | West Virginia |
| 5 | Hampton Clark | 18 | Son | New Worker | West Virginia |
| 6 | Kathleen Clark | 14 | Daughter | — | West Virginia |
| 7 | Clinton Clark | 15 | Son | — | West Virginia |
| 8 | Robert Clark | 12 | Son | — | West Virginia |
| 9 | Mildred Clark THIS PERSON | 11 | Daughter | — | West Virginia |
| 10 | George B. Clark | 8 | Son | — | West Virginia |
| 11 | Lula B. Clark | 6 | Daughter | — | West Virginia |
| 12 | Nancy Clark | 5 | Daughter | — | West Virginia |
| 13 | Bettie M. Clark | 2 | Daughter | — | West Virginia |
| 14 | Virgil Farley | 48 | Head | Checkweighman | West Virginia |
| 15 | Filosa Farley | 40 | Wife | — | West Virginia |
| 16 | Louise Farley | 17 | Daughter | — | West Virginia |
| 17 | Elsie Farley | 15 | Daughter | — | West Virginia |
| 18 | Raymond Farley | 13 | Son | — | West Virginia |
| 19 | Ellen Farley | 9 | Daughter | — | West Virginia |
| 20 | Ella M. Farley | 5 | Daughter | — | West Virginia |
| 21 | Virgil L. Farley | 2 | Son | — | West Virginia |
| 22 | Pearl O. Williams | 49 | Head | Boarding House Keeper | Virginia |
| 23 | George Scott | 20 | Son | Coal Loader | 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)