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Bertha Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mcdowell-County, West Virginia
Our Model Tree links this Bertha Thomas across the 1930 and 1940 US Censuses in Mcdowell-County, West Virginia (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 10-person household.
Age 10
b. ~1930
Female
Daughter
Born: West Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mcdowell-County, West Virginia |
| Surname | Thomas |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | West Virginia |
| 1935 Residence (City) | McDowell |
| 1935 Residence (County) | McDowell |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | West Virginia |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
| Township / Ward | Adkin M D |
| Est. Birth Year | ~1930 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Lou Thomas | Spouse | — | 48 | ~1892 |
| Gracie Thomas | Daughter | — | 14 | ~1926 |
| Calvin Thomas | Son | — | 15 | ~1925 |
| Scott Thomas | Son | — | 16 | ~1924 |
| Weldon Thomas | Head | — | 49 | ~1891 |
| Zella Thomas | Daughter | — | 20 | ~1920 |
| Cathreen Thomas | Daughter | — | 9 | ~1931 |
| Charles Thomas | Son | — | 12 | ~1928 |
| Bertha Thomas | Daughter | — | 10 | ~1930 |
| Joseph Thomas | Son | — | 11 | ~1929 |
Census Appearances
1930
Mcdowell, West …
Daughter, age
Mcdowell, West Virginia · implied b. ~1930 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Berth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 0 |
| Marital Status | Single |
| Birthplace | West Virginia |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1940
Mcdowell-County, West …
Daughter, age 10
Mcdowell-County, West Virginia · implied b. ~1930 — 10 household members
| Surname | Thomas |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | West Virginia |
| 1935 Residence (City) | McDowell |
| 1935 Residence (County) | McDowell |
| Highest Grade | No 3 |
| 1935 Residence | West Virginia |
| 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 Bertha Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Bertha Thomas
Daughter · 1940 · age 10 · b. ~1930 · West Virginia
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Sibling
Scott Thomas
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Thomas
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Zella Thomas
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Calvin Thomas
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cathreen Thomas
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Thomas
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gracie Thomas
Sibling · 1940 · age 14
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 — Mcdowell-County, West Virginia
Open full size
1940 US Federal Census — Mcdowell-County, West Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04421-00126)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Helen L. Staples | 14 | Daughter | — | West Virginia |
| 42 | Nathan Jr. Staples | 12 | Son | — | West Virginia |
| 43 | Thelma Staples | 10 | Daughter | — | West Virginia |
| 44 | Margaret Staples | 5 | Daughter | — | West Virginia |
| 45 | Ruby Staples | 3 | Daughter | — | West Virginia |
| 46 | Clarence Staples | 2 | Son | — | West Virginia |
| 47 | Sylvester Watkins | 25 | Head | Brakeman | Mississippi |
| 48 | Lucy Watkins | 27 | Wife | — | West Virginia |
| 49 | Cecil Watkins | 1 | Son | — | West Virginia |
| 50 | Lizzie Shade | 41 | Mother-in-law | — | Virginia |
| 51 | Albert Cheatham | 30 | Roomer | Coal Loader | Georgia |
| 52 | Arthur Nickels | 60 | Head | — | North Carolina |
| 53 | Josie B. Nickels | 62 | Wife | — | North Carolina |
| 54 | John Hunter | 36 | Head | Coal Loader | Virginia |
| 55 | Gladys B. Hunter | 26 | Wife | — | Virginia |
| 56 | Marie Hunter | 1 | Daughter | — | Virginia |
| 57 | Clarence Wilkerson | 40 | Roomer | Coal Loader | Virginia |
| 58 | Robert Joyce | 46 | Head | Coal Loader | North Carolina |
| 59 | Ida B. Joyce | 41 | Wife | — | North Carolina |
| 60 | Mose Joyce | 21 | Daughter | — | North Carolina |
| 61 | Naomi Joyce | 17 | Daughter | — | West Virginia |
| 62 | Annie Joyce | 15 | Daughter | — | West Virginia |
| 63 | Uriel Joyce | 13 | Son | — | West Virginia |
| 64 | Robert Jr. Joyce | 12 | Son | — | West Virginia |
| 65 | Zebra Joyce | 9 | Son | — | West Virginia |
| 66 | Weldon Thomas | 49 | Head | Coal Loader | North Carolina |
| 67 | Lou Thomas | 48 | Wife | — | North Carolina |
| 68 | Zella Thomas | 20 | Daughter | — | West Virginia |
| 69 | Scott Thomas | 16 | Son | New Worker | West Virginia |
| 70 | Calvin Thomas | 15 | Son | — | West Virginia |
| 71 | Gracie Thomas | 14 | Daughter | — | West Virginia |
| 72 | Charles Thomas | 12 | Son | — | West Virginia |
| 73 | Joseph Thomas | 11 | Son | — | West Virginia |
| 74 | Bertha Thomas THIS PERSON | 10 | Daughter | — | West Virginia |
| 75 | Cathreen Thomas | 9 | Daughter | — | West Virginia |
| 76 | Oscar Shearer | 32 | Head | Coal Loader | Alabama |
| 77 | Lena D. Shearer | 23 | Wife | — | Tennessee |
| 78 | Louis Deramus | 29 | Roomer | Coal Loader | Alabama |
| 79 | Gertrude Deramus | 25 | Roomer | — | Alabama |
| 80 | Gloria Mae Deramus | 2 | Roomer | — | Alabama |
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)