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Thelma Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Knox-County, Tennessee
Our Model Tree links this Thelma Williams across the 1930 and 1940 US Censuses in Knox-County, Tennessee (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 11-person household.
Age 18
b. ~1922
Female
Daughter
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Tennessee |
| Surname | Williams |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Knoxville City |
| 1935 Residence (County) | Knox |
| Additional Details | |
| Occupation | Nurse worker |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Nurse Worker |
| Township / Ward | Knoxville City |
| Est. Birth Year | ~1922 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thelma | Age | Birth yr |
|---|---|---|---|---|
| Thelma Williams | Daughter | — | 18 | ~1922 |
| Margaret Williams | Daughter | — | 15 | ~1925 |
| Janice Williams | Daughter | — | 12 | ~1928 |
| Ida Williams | Daughter | — | 9 | ~1931 |
| M Williams | Head | — | 42 | ~1898 |
| Leroy Williams | Son | — | 10 | ~1930 |
| Earl Williams | Son | — | 21 | ~1919 |
| Eugene Williams | Son | — | 8 | ~1932 |
| Eddie Williams | Son | — | 13 | ~1927 |
| Charles Williams | Son | — | 17 | ~1923 |
| Nell Williams | Spouse | — | 21 | ~1919 |
Census Appearances
1930
Knox, Tennessee
Daughter, age 8
Knox, Tennessee · implied b. ~1922 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Knox-County, Tennessee
Daughter, age 18
Knox-County, Tennessee · implied b. ~1922 — 11 household members
| Surname | Williams |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Knoxville City |
| 1935 Residence (County) | Knox |
| Occupation | Nurse worker |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thelma Williams
Daughter · 1940 · age 18 · b. ~1922 · Tennessee
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Sibling
Eddie Williams
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Williams
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ida Williams
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Janice Williams
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Williams
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leroy Williams
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Williams
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Williams
Sibling · 1940 · age 15
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 — Knox-County, Tennessee
Open full size
1940 US Federal Census — Knox-County, Tennessee
Page Contents
24 people indexed on this census page (nara:1940:m-t0627-03959-00113)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Peggy Brimer | 15 | Daughter | — | Tennessee |
| 2 | James Hopkins | 30 | Head | — | Tennessee |
| 3 | Jewel Hopkins | 23 | Wife | — | Tennessee |
| 4 | Bessie Hopkins | 5 | Daughter | — | Tennessee |
| 5 | Evelyn Hopkins | 3 | Daughter | — | Tennessee |
| 6 | James Hopkins | 2 | Son | — | Tennessee |
| 8 | W. L. Bozeman | 65 | Head | Carpenter | Tennessee |
| 9 | Earl Bozeman | 27 | Son | Filling Station Operator | Tennessee |
| 10 | Dora Bozeman | 33 | Son | — | Tennessee |
| 11 | M. F. Williams | 42 | Head | Carpenter Contractor | Tennessee |
| 12 | Nell Williams | 21 | Wife | — | Tennessee |
| 13 | Earl Williams | 21 | Son | — | Tennessee |
| 14 | Thelma Williams THIS PERSON | 18 | Daughter | Nurse Worker | Tennessee |
| 15 | Charles Williams | 17 | Son | Paper Boy | Tennessee |
| 16 | Margaret Williams | 15 | Daughter | — | Tennessee |
| 17 | Eddie Williams | 13 | Son | — | Tennessee |
| 18 | Janice Williams | 12 | Daughter | — | Tennessee |
| 19 | Leroy Williams | 10 | Son | — | Tennessee |
| 20 | Ida Mae Williams | 9 | Daughter | — | Tennessee |
| 21 | Eugene Williams | 8 | Son | — | Tennessee |
| 23 | B. A. Cackey | 59 | Head | Night Watchman | North Carolina |
| 24 | Jane Cackey | 53 | Wife | — | Tennessee |
| 25 | Elma Cackey | 12 | Daughter | — | Tennessee |
| 26 | R. B. Cackey | 10 | Son | — | Tennessee |
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)