RC
Ruth Cox — 1940 US Census Record
Model Tree available1940 United States Federal Census · Washington-County, Tennessee
Our Model Tree links this Ruth Cox across the 1920, 1930 and 1940 US Censuses in Washington-County, Tennessee (XGBoost, ~Confirmed), with identified parents Bob & Robert — first a daughter (b.~1920), then head of a 9-person household.
Age 20
b. ~1920
Female
Daughter
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Tennessee |
| Surname | Cox |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Johnson City |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | Johnson City |
| Est. Birth Year | ~1920 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Sallie Cox | Spouse | — | 49 | ~1891 |
| Harold Cox | Son | — | 11 | ~1929 |
| Manuel Cox | Son | — | 22 | ~1918 |
| Tommy Cox | Other | — | 22 | ~1918 |
| Bobby Cox | Son | — | 13 | ~1927 |
| Ruth Cox | Daughter | — | 20 | ~1920 |
| Maude Cox | Daughter | — | 18 | ~1922 |
| Sherman Cox | Son | — | 7 | ~1933 |
| Bob Cox | Head | — | 53 | ~1887 |
Census Appearances
1920
Washington, Tennessee
Daughter, age
Washington, Tennessee · implied b. ~1920 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Ruth E. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Washington, Tennessee
Daughter, age 10
Washington, Tennessee · implied b. ~1920 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Washington-County, Tennessee
Daughter, age 20
Washington-County, Tennessee · implied b. ~1920 — 9 household members
| Surname | Cox |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Johnson City |
| 1935 Residence (County) | Washington |
| Industry | 0 |
| Highest Grade | No 3 |
| 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 Ruth Cox across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Bob Cox (~0.92 confidence) and father Robert Cox (~0.92 confidence) and father Robert Cox (~0.92 confidence) and mother Sallie Cox (~0.92 confidence) and mother Sallie Cox (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Bob Cox
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Robert Cox
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Robert Cox
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Sallie Cox
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Sallie Cox
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Cox
Daughter · 1940 · age 20 · b. ~1920 · Tennessee
★ You are viewing this record
Sibling
Harold Cox
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sherman Cox
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bobby Cox
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maude Cox
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Manuel Cox
Sibling · 1940 · age 22
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 — Washington-County, Tennessee
Open full size
1940 US Federal Census — Washington-County, Tennessee
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03944-00314)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jack Burleson | 28 | Head | School Teacher | Tennessee |
| 2 | Clotile Burleson | 27 | Wife | — | Tennessee |
| 3 | Gail Burleson | 1 | Daughter | — | Tennessee |
| 4 | Will C. Carder | 52 | Head | Exception Clerk | Tennessee |
| 5 | Esther Carder | 52 | Wife | — | Tennessee |
| 6 | John Carder | 22 | Son | Assistant Circulation Mgr. | Tennessee |
| 7 | Louise Carder | 20 | Daughter | Seamer | Tennessee |
| 8 | Betty Carder | 15 | Daughter | — | Tennessee |
| 9 | Clark Carder | 13 | Daughter | — | Tennessee |
| 10 | Ida Mae Archer | 24 | Daughter | Saleslady | Tennessee |
| 11 | Patsy Archer | 4 | Daughter | — | Tennessee |
| 12 | James W. Preas | 45 | Head | Manager | Tennessee |
| 13 | Evangeline Preas | 40 | Wife | — | Virginia |
| 14 | Evangeline Preas | 12 | Daughter | — | Virginia |
| 15 | Paul Shipley | 26 | Roomer | Salesman | Tennessee |
| 16 | Chas. R. Smathers | 42 | Head | Dentist | North Carolina |
| 17 | Nannie Ruth Smathers | 39 | Wife | — | Tennessee |
| 18 | Chas. R. Jr. Smathers | 12 | Son | — | Tennessee |
| 19 | Nancy Smathers | 8 | Daughter | — | Tennessee |
| 20 | Louise Preas | 23 | Sister-in-law | Teacher | Tennessee |
| 21 | Arthur Swepson | 51 | Head | Chauffeur | North Carolina |
| 22 | Jeanette Swepson | 44 | Wife | Cook | North Carolina |
| 23 | Bob Cox | 53 | Head | Finisher | Virginia |
| 24 | Sallie Cox | 49 | Wife | — | Virginia |
| 25 | Manuel Cox | 22 | Son | Sprayer | Tennessee |
| 26 | Ruth Cox THIS PERSON | 20 | Daughter | — | Tennessee |
| 27 | Maude Cox | 18 | Daughter | — | Tennessee |
| 28 | Bobby Cox | 13 | Son | — | Tennessee |
| 29 | Harold Cox | 11 | Son | — | Tennessee |
| 30 | Sherman Cox | 7 | Son | — | Tennessee |
| 31 | Tommy Cox | 22 | Nephew | Finisher | Virginia |
| 32 | Thomas Mcniel | 64 | Head | Manager | Virginia |
| 33 | Vitoria Mcniel | 63 | Wife | — | Virginia |
| 34 | Elden Smith | 27 | Roomer | Collector | Tennessee |
| 35 | Gene Wells | 25 | Head | Truck Driver | Tennessee |
| 36 | Virginia Wells | 22 | Wife | Stenographer | Tennessee |
| 37 | Harry Range | 47 | Head | Dealer | Tennessee |
| 38 | Rita Range | 47 | Wife | — | Tennessee |
| 39 | Harry G. Range | 23 | Son | — | Tennessee |
Pedigree Summary
Ruth + 5 siblings
Gen 1 · 5 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)