TH
Thelma Harris — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Unicoi-County, Tennessee
Our Model Tree links this Thelma Harris across the 1930 and 1940 US Censuses in Unicoi-County, Tennessee (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 10-person household.
Age 11
b. ~1929
Female
Daughter
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Unicoi-County, Tennessee |
| Surname | Harris |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Erwin Town |
| 1935 Residence (County) | Unicoi |
| Additional Details | |
| Occupation | S |
| Highest Grade | 2 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | S |
| Township / Ward | Erwin Town |
| 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thelma | Age | Birth yr |
|---|---|---|---|---|
| D Harris | Son | — | 2 | ~1938 |
| Roy Harris | Son | — | 21 | ~1919 |
| F Harris | Son | — | 5 | ~1935 |
| Ethel Harris | Daughter | — | 19 | ~1921 |
| Berlin Harris | Son | — | 7 | ~1933 |
| Thelma Harris | Daughter | — | 11 | ~1929 |
| Gladys Harris | Daughter | — | 16 | ~1924 |
| Lottie Harris | Spouse | — | 43 | ~1897 |
| Carl Harris | Head | — | 53 | ~1887 |
| Mary Harris | Daughter | — | 13 | ~1927 |
Census Appearances
1930
Washington, Tennessee
Daughter, age 1
Washington, Tennessee · implied b. ~1929 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | Tennessee |
| Industry | none |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Unicoi-County, Tennessee
Daughter, age 11
Unicoi-County, Tennessee · implied b. ~1929 — 10 household members
| Surname | Harris |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Erwin Town |
| 1935 Residence (County) | Unicoi |
| Occupation | S |
| Highest Grade | 2 |
| 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 Harris across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thelma Harris
Daughter · 1940 · age 11 · b. ~1929 · Tennessee
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Sibling
F Harris
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Harris
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Harris
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Berlin Harris
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
D Harris
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gladys Harris
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roy Harris
Sibling · 1940 · age 21
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 — Unicoi-County, Tennessee
Open full size
1940 US Federal Census — Unicoi-County, Tennessee
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-03941-00285)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Isaac D O'Brien | 57 | Head | H | Tennessee |
| 2 | Eugene O'Brien | 25 | Son | 3 | Tennessee |
| 3 | Gilbert O'Brien | 35 | Son | Under Glaze | Tennessee |
| 4 | Milton O Crowder | 36 | Head | Cabinet Maker | Virginia |
| 5 | Estella A Crowder | 66 | Wife | H | N. Carolina |
| 6 | Herbert Crowder | 19 | Son | S | Tennessee |
| 7 | James Crowder | 30 | Son | Finisher | Tennessee |
| 8 | Edna Crowder | 26 | Wife | H | Michigan |
| 9 | Joyce Crowder | 6 | Daughter | S | Michigan |
| 10 | Joan Crowder | 5 | Daughter | S | Michigan |
| 11 | Stella Crowder | 3 | Daughter | — | Michigan |
| 12 | James Crowder | 2 | Son | — | Michigan |
| 13 | Enos Ellis | 37 | Clerk | Maid | Tennessee |
| 14 | Carine Riddle | 37 | Head | — | Tennessee |
| 15 | Junie Riddle | 19 | Daughter | Seamstress | Tennessee |
| 16 | Bessie Riddle | 16 | Daughter | S | N. Carolina |
| 17 | Lawrence Riddle | 15 | Son | S | N. Carolina |
| 18 | Mack Riddle | 9 | Son | S | Tennessee |
| 19 | Ruth Riddle | 7 | Daughter | S | Tennessee |
| 20 | Barney Harris | 38 | Head | Laborer | Tennessee |
| 21 | William Harris | 7 | Son | S | Tennessee |
| 22 | Carl Harris | 53 | Head | Laborer | Tennessee |
| 23 | Lottie Harris | 43 | Wife | Maid | Tennessee |
| 24 | Roy Harris | 21 | Son | Ot | Tennessee |
| 25 | Ethel Harris | 19 | Daughter | Maid | Virginia |
| 26 | Gladys Harris | 16 | Daughter | Maid | Tennessee |
| 27 | Mary Nell Harris | 13 | Daughter | H | Tennessee |
| 28 | Thelma Harris THIS PERSON | 11 | Daughter | S | Tennessee |
| 29 | Berlin Harris | 7 | Son | — | Tennessee |
| 30 | F. D. Jr. Harris | 5 | Son | — | Tennessee |
| 31 | D. A. Harris | 2 | Son | — | Tennessee |
| 33 | Freake Staley | 29 | Head | Cutter | N. Carolina |
| 34 | Juanita Staley | 26 | Wife | H | Tennessee |
| 35 | Fern Staley | 5 | Daughter | — | Tennessee |
| 36 | Gene Staley | 5 | Son | — | Tennessee |
| 37 | Billie Staley | 4 | Son | — | Tennessee |
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)