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Frank Cox — 1940 US Census Record
Model Tree available1940 United States Federal Census · Carter-County, Kentucky
Our Model Tree links this Frank Cox across the 1910, 1920, 1930 and 1940 US Censuses in Carter-County, Kentucky (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1906), then head of a 6-person household.
Age 34
b. ~1906
Male
Son
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Carter-County, Kentucky |
| Surname | Cox |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag. Dist. 5 (Horse Valley) |
| 1935 Residence (County) | Carter |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | State Highway |
| Class of Worker | GW |
| Hours Worked | 45 |
| Income (1939) | 520 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Truck Driver |
| Township / Ward | Mag Dist 5 Horse Valley |
| Est. Birth Year | ~1906 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Thena Cox | Other | — | 32 | ~1908 |
| Frank Cox | Son | — | 34 | ~1906 |
| John Cox | Head | — | 67 | ~1873 |
| Jubiarjubier Cox | Son | — | 30 | ~1910 |
| Roy Cox | Son | — | 21 | ~1919 |
| Rachel Cox | Spouse | — | 67 | ~1873 |
Census Appearances
1910
Carter, Kentucky
Son, age 4
Carter, Kentucky · implied b. ~1906 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Speaks English | English |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1920
Carter, Kentucky
Son, age 14
Carter, Kentucky · implied b. ~1906 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Carter, Kentucky
Son, age 24
Carter, Kentucky · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Salesman |
| Industry | General Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Carter-County, Kentucky
Son, age 34
Carter-County, Kentucky · implied b. ~1906 — 6 household members
| Surname | Cox |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag. Dist. 5 (Horse Valley) |
| 1935 Residence (County) | Carter |
| Occupation | Truck Driver |
| Industry | State Highway |
| Class of Worker | GW |
| Hours Worked | 45 |
| Income (1939) | 520 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Frank Cox across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Cox (~0.92 confidence) and father John Cox (~0.92 confidence) and father John Cox (~0.92 confidence) and father John Cox (~0.92 confidence) and mother Rachel Cox (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Cox
b. ~1874
Source father
● Household
· direct · ~0.92
Father
John Cox
b. ~1873
Source father
● Household
· direct · ~0.92
Father
John Cox
b. ~1873
Source father
● Household
· direct · ~0.92
Father
John Cox
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Rachel Cox
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Cox
Son · 1940 · age 34 · b. ~1906 · Kentucky
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Sibling
Jubiarjubier Cox
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roy Cox
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 — Carter-County, Kentucky
Open full size
1940 US Federal Census — Carter-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01292-00484)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ollie Morgan | 16 | Daughter | — | Kentucky |
| 42 | Mary Morgan | 2 | Daughter | — | Kentucky |
| 43 | Charlie Roe | 41 | Head | Farmer | Kentucky |
| 44 | Norma Roe | 34 | Wife | — | Kentucky |
| 45 | Eunice Roe | 15 | Daughter | — | Kentucky |
| 46 | Hobart Roe | 13 | Son | — | Kentucky |
| 47 | Bernice Roe | 12 | Daughter | — | Kentucky |
| 48 | Hezekiah Roe | 7 | Son | — | Kentucky |
| 49 | Homer Roe | 5 | Son | — | Kentucky |
| 50 | John Henry Roe | 3 | Son | — | Kentucky |
| 51 | Bobby Lee Roe | 1 | Son | — | Kentucky |
| 52 | John E. Cox | 67 | Head | Farmer | Kentucky |
| 53 | Rachel Cox | 67 | Wife | — | Kentucky |
| 54 | Roy Cox | 21 | Son | Farmer | Kentucky |
| 55 | Jubiar|Jubier Cox | 30 | Son | Truck Driver | Kentucky |
| 56 | Frank Cox THIS PERSON | 34 | Son | Truck Driver | Kentucky |
| 57 | Thena Cox | 32 | Daughter-in-law | — | Kentucky |
| 58 | Bertie Morgan | 63 | Head | — | Kentucky |
| 59 | Frank Morgan | 25 | Son | 45 | Kentucky |
| 60 | Casper Crank | 38 | Head | Laborer | Kentucky |
| 61 | Hazel Crank | 35 | Wife | — | Kentucky |
| 62 | Kathaleen Crank | 15 | Daughter | — | Kentucky |
| 63 | Bethel Crank | 13 | Daughter | — | Kentucky |
| 64 | Gladys Crank | 11 | Daughter | — | Kentucky |
| 65 | Jack Crank | 9 | Son | — | Kentucky |
| 66 | Ruth Ellen Crank | 5 | Daughter | — | Kentucky |
| 67 | Teddy Crank | 3 | Son | — | Kentucky |
| 68 | Earl Williams | 23 | Head | 24 | Kentucky |
| 69 | Clorena Williams | 23 | Wife | — | Kentucky |
| 70 | Burley J. Williams | 5 | Son | — | Kentucky |
| 71 | Yorkeline Williams | 2 | Daughter | — | Kentucky |
| 72 | German Helm | 60 | Head | Laborer | Kentucky |
| 73 | Mary Helm | 63 | Wife | — | Kentucky |
| 74 | Althea Helm | 17 | Daughter | — | Kentucky |
| 75 | Wendell H. Baggs | 46 | Head | Laborer | Kentucky |
| 76 | Arkie Baggs | 37 | Wife | — | Kentucky |
| 77 | Eulea Baggs | 18 | Daughter | — | Kentucky |
| 78 | Evelyn Baggs | 15 | Daughter | — | Kentucky |
| 79 | Wendell B. Baggs | 7 | Son | — | Kentucky |
| 80 | Malissie Baggs | 83 | Mother | — | Kentucky |
Pedigree Summary
Frank + 2 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)