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Thelma Hall — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mercer-County, West Virginia
Our Model Tree links this Thelma Hall across the 1930 and 1940 US Censuses in Mercer-County, West Virginia (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 8-person household.
Age 16
b. ~1924
Female
Daughter
Born: West Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, West Virginia |
| Surname | Hall |
| Given Name | Thelma |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | West Virginia |
| 1935 Residence (City) | Bluefield |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H 2 |
| 1935 Residence | West Virginia |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
| Township / Ward | Princeton |
| Est. Birth Year | ~1924 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thelma | Age | Birth yr |
|---|---|---|---|---|
| Mamie Thomas | Spouse | — | 35 | ~1905 |
| Biscoe Thomas | Head | — | 42 | ~1898 |
| Elizabeth Hall | Daughter | — | 18 | ~1922 |
| Eugene Thomas | Son | — | 2 | ~1938 |
| Thelma Hall | Daughter | — | 16 | ~1924 |
| Lowell Thomas | Son | — | 8 | ~1932 |
| Lois Thomas | Daughter | — | 4 | ~1936 |
| Virginia Thomas | Daughter | — | 6 | ~1934 |
Census Appearances
1930
Mercer, West …
Daughter, age 6
Mercer, West Virginia · implied b. ~1924 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hall |
| Given Name | Thelma L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | West Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | West Virginia |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1940
Mercer-County, West …
Daughter, age 16
Mercer-County, West Virginia · implied b. ~1924 — 8 household members
| Surname | Hall |
| Given Name | Thelma |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | West Virginia |
| 1935 Residence (City) | Bluefield |
| 1935 Residence (County) | Mercer |
| Class of Worker | 0 |
| Highest Grade | H 2 |
| 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 Thelma Hall across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thelma Hall
Daughter · 1940 · age 16 · b. ~1924 · West Virginia
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Sibling
Lois Thomas
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Thomas
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lowell Thomas
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Thomas
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Hall
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
40 people indexed on this census page (nara:1940:m-t0627-04428-00826)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Betty Gay Miller | 8 | daughter | — | West Virginia |
| 2 | Earl Steve Miller | 5 | son | — | West Virginia |
| 3 | G. Walter Hambrick | 55 | Head | Veterinary Doctor | West Virginia |
| 4 | Emma Hambrick | 54 | wife | — | Arkansas |
| 5 | George Walter Jr Hambrick | 17 | son | — | West Virginia |
| 6 | Arme Hawes Hambrick | 18 | daughter | — | West Virginia |
| 7 | Tony P. Walker | 33 | Head | Car Helper | West Virginia |
| 8 | Anna Deloris Walker | 24 | wife | — | West Virginia |
| 9 | Arnold Walker | 8 | son | — | West Virginia |
| 10 | Jerry Ray Walker | 6 | son | — | West Virginia |
| 11 | Yvonne Marie Walker | 4 | daughter | — | West Virginia |
| 12 | Biscoe Thomas | 42 | Head | Car Helper | West Virginia |
| 13 | Mamie X. Thomas | 35 | wife | — | West Virginia |
| 14 | Lowell Thomas | 8 | son | — | West Virginia |
| 15 | Virginia Ruth Thomas | 6 | daughter | — | West Virginia |
| 16 | Lois Thomas | 4 | daughter | — | West Virginia |
| 17 | Eugene Thomas | 2 | son | — | West Virginia |
| 18 | Elizabeth Hall | 18 | daughter | Inspector | West Virginia |
| 19 | Thelma Hall THIS PERSON | 16 | daughter | — | West Virginia |
| 20 | Fitzhugh Nickolas | 42 | Head | Fireman | Virginia |
| 21 | Amelie X. Nickolas | 39 | wife | — | West Virginia |
| 22 | Anita Nickolas | 12 | daughter | — | Ohio |
| 23 | Robert Nickolas | 10 | son | — | Ohio |
| 24 | Helen Nickolas | 8 | daughter | — | West Virginia |
| 25 | Frank Nickolas | 2 | son | — | West Virginia |
| 26 | Mollie Mccormick | 57 | Housekeeper | Housekeeper | West Virginia |
| 27 | Dewey N. Swinson | 37 | Head | Carpenter | West Virginia |
| 28 | Vera Swinson | 42 | wife | — | West Virginia |
| 29 | Agella May Swinson | 13 | daughter | — | West Virginia |
| 30 | Elsa Brown | 24 | maid | Housemaid | Virginia |
| 31 | Dexter Parks | 60 | Head | — | Virginia |
| 32 | William Parks | 32 | son | Miner | West Virginia |
| 33 | Bertha Parks | 28 | daughter | Saleslady | West Virginia |
| 34 | Thomas Parks | 25 | son | Laborer | West Virginia |
| 35 | Helen Parks | 20 | daughter | — | West Virginia |
| 36 | Robert Phillips | 45 | Head | Steam Shovel Op. | West Virginia |
| 37 | Toy Phillips | 42 | wife | Practical Nurse | Virginia |
| 38 | Gola Phillips | 26 | daughter | — | West Virginia |
| 39 | Arnold Phillips | 16 | son | — | West Virginia |
| 40 | Allean Phillips | 22 | niece | — | 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)