TC
Thomas Cox — 1940 US Census Record
Model Tree available1940 United States Federal Census · Knox-County, Tennessee
Our Model Tree links this Thomas Cox across the 1910, 1920, 1930 and 1940 US Censuses in Knox-County, Tennessee (XGBoost, ~Confirmed), with identified parents Johnathan & Johnston — first a head (b.~1904), then head of a 3-person household.
Age 36
b. ~1904
Male
Head
Born: Tennessee
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Tennessee |
| Surname | Cox |
| Given Name | Thomas T. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | Knoxville City |
| 1935 Residence (County) | Knox |
| Additional Details | |
| Occupation | Dentist Doctor |
| Industry | Private practi |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Same house |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Dentist Doctor |
| Township / Ward | Knoxville City |
| Est. Birth Year | ~1904 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Carlon Cox | Daughter | — | 1 | ~1939 |
| Thomas Cox | Head | — | 36 | ~1904 |
| Kathryn Cox | Spouse | — | 33 | ~1907 |
Census Appearances
1910
Knox, Tennessee
Son, age 7
Knox, Tennessee · implied b. ~1903 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Thomas S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1920
Knox, Tennessee
Son, age 17
Knox, Tennessee · implied b. ~1903 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Thomas J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Blacksmith |
| Industry | Rail Road |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Knox, Tennessee
Head, age 26
Knox, Tennessee · implied b. ~1904 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Thomas J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Age at First Marriage | 25 |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Salesman |
| Industry | Department Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 27.50 |
| Veteran | No |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Knox-County, Tennessee
Head, age 36
Knox-County, Tennessee · implied b. ~1904 — 3 household members
| Surname | Cox |
| Given Name | Thomas T. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | Knoxville City |
| 1935 Residence (County) | Knox |
| Occupation | Dentist Doctor |
| Industry | Private practi |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Same house |
| 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 Thomas Cox across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Johnathan Cox (~0.92 confidence) and father Johnston Cox (~0.92 confidence) and mother Lida Cox (~0.92 confidence) and mother Lydia Cox (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Johnathan Cox
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Johnston Cox
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Lida Cox
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Lydia Cox
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Cox
Head · 1940 · age 36 · b. ~1904 · Tennessee
★ You are viewing this record
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
40 people indexed on this census page (nara:1940:m-t0627-03958-00570)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bessie Kidwell | 53 | Wife | — | Tennessee |
| 2 | John Kidwell | 23 | Son | Machinist Asst | Kansas |
| 3 | Eugene Kidwell | 21 | Son | Salesman | Kansas |
| 4 | William Kidwell | 19 | Son | — | Kansas |
| 5 | W. L. Bradley | 50 | Head | Garage Auto | Tennessee |
| 6 | Carrie Bradley | 35 | Wife | — | Tennessee |
| 7 | Ruth Lynn Bradley | 20 | Daughter | Beautician | Tennessee |
| 8 | David L. Bradley | 19 | Son | None Worker | Tennessee |
| 9 | Beacher R. Ray | 31 | Head | Labor | Tennessee |
| 10 | Elsie Ray | 26 | Wife | Seamstress | Tennessee |
| 11 | Barbara J. Ray | 7 | Daughter | — | Tennessee |
| 12 | Loda Barlow | 51 | Mother in law | — | Tennessee |
| 13 | Walter L|Oldham | 34 | Head | Frame Hand | Tennessee |
| 14 | Lillian L|Oldham | 26 | Wife | Spinner | Tennessee |
| 15 | Wanda L|Oldham | 7 | Daughter | — | Tennessee |
| 16 | Francis L|Oldham | 5 | Daughter | — | Tennessee |
| 17 | Joice L|Oldham | 4 | Daughter | — | Tennessee |
| 18 | R. C. Newman | 47 | Head | Yard Clerk | Tennessee |
| 19 | Lucy Newman | 50 | Wife | — | Tennessee |
| 20 | Thomas T. Cox THIS PERSON | 36 | Head | Dentist Doctor | Tennessee |
| 21 | Kathryn Cox | 33 | Wife | — | Tennessee |
| 22 | Carlon M. Cox | 1 | Daughter | — | Tennessee |
| 23 | R. T. Meare | 55 | Head | Engineer | Tennessee |
| 24 | Florence Meare | 44 | Wife | — | N Carolina |
| 25 | Dorthie Ann Meare | 8 | Daughter | — | N Carolina |
| 26 | Roberta Bryant | 24 | Daughter | — | Tennessee |
| 27 | Jurrie Bryant | 3 | Grand daughter | — | Tennessee |
| 28 | Jo Ann Bryant | 1 | Grand daughter | — | Tennessee |
| 29 | F. B. Brummette | 43 | Head | Night Watch | Tennessee |
| 30 | Blauch Brummette | 42 | Wife | — | Tennessee |
| 31 | Frank Brummette | 21 | Son | Fountainman | Tennessee |
| 32 | Katherine Brummette | 20 | Daughter | — | Tennessee |
| 33 | Joseph Brummette | 17 | Son | — | Tennessee |
| 34 | Stella Brummette | 15 | Daughter | — | Tennessee |
| 35 | Pattie Brummette | 12 | Daughter | — | Tennessee |
| 36 | William Brummette | 10 | Son | — | Tennessee |
| 37 | Charles Brummette | 7 | Son | — | Tennessee |
| 38 | Robert Brummette | 4 | Son | — | Tennessee |
| 39 | Lonzo Waggoner | 41 | Head | Salesman | Tennessee |
| 40 | Stella Waggoner | 41 | Wife | — | Tennessee |
Pedigree Summary
Thomas
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)