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Thelma Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Tarrant-County, Texas
Our Model Tree links this Thelma Thomas across the 1930 and 1940 US Censuses in Tarrant-County, Texas (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 10-person household.
Age 12
b. ~1928
Female
Daughter
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Tarrant-County, Texas |
| Surname | Thomas |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Ft. Worth City |
| 1935 Residence (County) | Tarrant |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Township / Ward | Ft Worth City |
| Est. Birth Year | ~1928 |
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 Thelma | Age | Birth yr |
|---|---|---|---|---|
| Eugene Thomas | Son | — | 5 | ~1935 |
| Bernadine Thomas | Son | — | 3 | ~1937 |
| Thelma Thomas | Daughter | — | 12 | ~1928 |
| Alex Thomas | Head | — | 47 | ~1893 |
| Quill Thomas | Son | — | 2 | ~1938 |
| Velma Thomas | Daughter | — | 11 | ~1929 |
| Alex Thomas | Son | — | 14 | ~1926 |
| Alnetta Thomas | Spouse | — | 34 | ~1906 |
| Lorine Thomas | Daughter | — | 8 | ~1932 |
| Willie Thomas | Son | — | 17 | ~1923 |
Census Appearances
1930
Tarrant, Texas
Daughter, age 3
Tarrant, Texas · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Louisiana |
| Can Read/Write | No |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Tarrant-County, Texas
Daughter, age 12
Tarrant-County, Texas · implied b. ~1928 — 10 household members
| Surname | Thomas |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Ft. Worth City |
| 1935 Residence (County) | Tarrant |
| Hours Worked | 0 |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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 Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thelma Thomas
Daughter · 1940 · age 12 · b. ~1928 · Texas
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Sibling
Quill Thomas
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alex Thomas
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernadine Thomas
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willie Thomas
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Velma Thomas
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Thomas
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lorine Thomas
Sibling · 1940 · age 8
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 — Tarrant-County, Texas
Open full size
1940 US Federal Census — Tarrant-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04184-00392)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ernestine Sharp | 13 | Daughter | — | Texas |
| 42 | Sarah Gutchfield | 26 | Head | Maid | Texas |
| 43 | L. C. Simpson | 25 | Lodger | Dishwasher | Texas |
| 44 | Allie Edwards | 28 | Lodger | Yard Man | Texas |
| 45 | Irene Edwards | 38 | Lodger | Cook | Texas |
| 46 | George Jackson | 59 | Head | Yard Work | Texas |
| 47 | Ray Burns | 46 | Nephew | Porter | Texas |
| 48 | — | None | — | — | — |
| 49 | Johnnie Gray | 35 | Head | Laborer | Texas |
| 50 | Thelma Gray | 32 | Wife | — | Texas |
| 51 | Johnnie Jr. Gray | 16 | Son | — | Texas |
| 52 | Charles Gray | 14 | Son | — | Texas |
| 53 | Lois Gray | 12 | Son | — | Texas |
| 54 | Richard Gray | 10 | Son | — | Texas |
| 55 | Lillie Mae Gray | 9 | Daughter | — | Texas |
| 56 | Willie Gray | 2 | Son | — | Texas |
| 57 | Etheline Gray | 1 | Daughter | — | Texas |
| 58 | Joe Calhoun | 37 | Head | Car Washer | Texas |
| 59 | Rosa Calhoun | 32 | Wife | — | Texas |
| 60 | Joe Jr. Calhoun | 11 | Son | — | Texas |
| 61 | Eva Mae Calhoun | 7 | Daughter | — | Texas |
| 62 | Arthur Lee Calhoun | 4 | Son | — | Texas |
| 63 | Alex Ross Thomas | 47 | Head | Laborer | Texas |
| 64 | Alnetta Thomas | 34 | Wife | — | Louisiana |
| 65 | Willie Thomas | 17 | Son | — | Texas |
| 66 | Alex Ross Jr. Thomas | 14 | Son | — | Texas |
| 67 | Thelma Thomas THIS PERSON | 12 | Daughter | — | Texas |
| 68 | Velma Thomas | 11 | Daughter | — | Texas |
| 69 | Lorine Thomas | 8 | Daughter | — | Texas |
| 70 | Eugene Thomas | 5 | Son | — | Texas |
| 71 | Bernadine Thomas | 3 | Son | — | Texas |
| 72 | Quill Thomas | 2 | Son | — | Texas |
| 73 | Dave Elias | 54 | Head | Trucker | Syria |
| 74 | Sophie Elias | 52 | Wife | — | Syria |
| 75 | Dave Jr. Elias | 28 | Son | — | Syria |
| 76 | Fred Quintana | 29 | Head | Trucker | Arizona |
| 77 | Adela Quintana | 19 | Wife | Cook | Texas |
| 78 | Petra Quintana | 52 | Mother | Domestic | Mexico |
| 79 | Frank Quintana | 18 | Brother | — | Texas |
| 80 | Pete Quintana | 14 | Brother | Supply Boy | Texas |
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)