RC
Robert Cox — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allen-County, Kentucky
Our Model Tree links this Robert Cox across the 1920, 1930 and 1940 US Censuses in Allen-County, Kentucky (XGBoost, ~Confirmed), with identified parents William & Bertie — first a son (b.~1913), then head of a 5-person household.
Age 27
b. ~1913
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allen-County, Kentucky |
| Surname | Cox |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | MAG DIST # 1 |
| 1935 Residence (County) | Allen |
| Additional Details | |
| Occupation | Farm Labor |
| Industry | Farming |
| Class of Worker | NP |
| Hours Worked | 24 |
| Income (1939) | 888 |
| Highest Grade | No 3 |
| 1935 Residence | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Farm Laborer |
| Township / Ward | Mag Dist 1 |
| Est. Birth Year | ~1913 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Nora Cox | Daughter | — | 24 | ~1916 |
| Bessie Cox | Daughter | — | 31 | ~1909 |
| William Cox | Head | — | 63 | ~1877 |
| Robert Cox | Son | — | 27 | ~1913 |
| Bertie Cox | Spouse | — | 62 | ~1878 |
Census Appearances
1920
Allen, Kentucky
Son, age 7
Allen, Kentucky · implied b. ~1913 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Allen, Kentucky
Son, age 17
Allen, Kentucky · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Allen-County, Kentucky
Son, age 27
Allen-County, Kentucky · implied b. ~1913 — 5 household members
| Surname | Cox |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | MAG DIST # 1 |
| 1935 Residence (County) | Allen |
| Occupation | Farm Labor |
| Industry | Farming |
| Class of Worker | NP |
| Hours Worked | 24 |
| Income (1939) | 888 |
| Highest Grade | No 3 |
| 1935 Residence | Kentucky |
| 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 Robert Cox across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Cox (~0.92 confidence) and mother Bertie Cox (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Cox
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Bertie Cox
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Cox
Son · 1940 · age 27 · b. ~1913 · Kentucky
★ You are viewing this record
Sibling
Nora Cox
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bessie Cox
Sibling · 1940 · age 31
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 — Allen-County, Kentucky
Open full size
1940 US Federal Census — Allen-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01276-00638)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Willie H Boyd | 77 | Head | — | Tennessee |
| 42 | Bettie Boyd | 75 | Wife | House Work | Kentucky |
| 43 | Maxine Payne | 18 | Granddaughter | House Work | Kentucky |
| 44 | Robert H Napier | 73 | Head | — | Kentucky |
| 45 | Ellen Napier | 62 | Wife | — | Tennessee |
| 46 | Amy Napier | 41 | Daughter | — | Tennessee |
| 47 | Hunter Jones | 32 | Head | Auto Repair Work | Kentucky |
| 48 | Ethel Jones | 31 | Wife | Seamstress | Tennessee |
| 49 | Hollis J Jones | 3 | Son | — | Tennessee |
| 50 | Baxter Cox | 33 | Head | Garage | Tennessee |
| 51 | Bertha Cox | 23 | Wife | — | Kentucky |
| 52 | Douglas Wayne Cox | 5 | Son | — | Kentucky |
| 53 | Annetta Sue Cox | 2 | Daughter | — | Kentucky |
| 54 | Emit Hogan | 33 | Head | Truck Driver | Kentucky |
| 55 | Oakley Thomas | 27 | Head | Steam Pressing | Kentucky |
| 56 | Lucile Thomas | 25 | Wife | — | Kentucky |
| 57 | Russell Pingleton | 31 | Head | Wood Cutter | Tennessee |
| 58 | Minnie Pingleton | 30 | Wife | — | Kentucky |
| 59 | Naphina Pingleton | 12 | Daughter | — | Kentucky |
| 60 | Ethelyn Pingleton | 9 | Daughter | — | Kentucky |
| 61 | Beryl Hewitt | 79 | Head | — | Kentucky |
| 62 | Liddie Hewitt | 69 | Wife | — | Kentucky |
| 63 | Joe Castelow | 26 | Head | Farmer | Kentucky |
| 64 | Hazel Castelow | 18 | Wife | — | Kentucky |
| 65 | Nellie Castelow | 3 | Daughter | — | Kentucky |
| 66 | Agnes Adline Castelow | 1 | Daughter | — | Kentucky |
| 67 | William A Cox | 63 | Head | Farmer | Tennessee |
| 68 | Bertie Cox | 62 | Wife | — | Tennessee |
| 69 | Bessie Cox | 31 | Daughter | — | Kentucky |
| 70 | Robert Cox THIS PERSON | 27 | Son | Farm Labor | Kentucky |
| 71 | Nora Cox | 24 | Daughter | House Work | Kentucky |
| 72 | Gilbert Hallen | 66 | Head | Farmer | Kentucky |
| 73 | Mary Hallen | 63 | Wife | — | Tennessee |
| 74 | Derbis G Hallen | 26 | Son | Farm Labor | Kentucky |
| 75 | Cathline Hallen | 21 | Daughter | — | Kentucky |
| 76 | Wandolene Whitney | 20 | Daughter | — | Kentucky |
| 77 | Jess Marion | 63 | Head | — | Kentucky |
| 78 | Lizzie Marion | 56 | Wife | House Work | Tennessee |
| 79 | Erma Sue Marion | 19 | Daughter | — | Kentucky |
| 80 | Carl S Marion | 21 | Son | Farm Labor | Kentucky |
Pedigree Summary
Robert + 2 siblings
Gen 1 · 2 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)