JG
John Gill — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Rockcastle-County, Kentucky
Our Model Tree links this John Gill across the 1920, 1930 and 1940 US Censuses in Rockcastle-County, Kentucky (XGBoost, ~Confirmed) — first a head (b.~1901), then head of a 8-person household.
Age 39
b. ~1901
Male
Head
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Rockcastle-County, Kentucky |
| Surname | Gill |
| Given Name | John R |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag Dist #4 |
| 1935 Residence (County) | Rockcastle |
| Additional Details | |
| Occupation | Carpenter |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 300 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Carpenter |
| Township / Ward | Mag Dist 4 |
| Est. Birth Year | ~1901 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Earl Gill | Son | — | 4 | ~1936 |
| Curtis Gill | Son | — | 10 | ~1930 |
| Juanita Gill | Daughter | — | 18 | ~1922 |
| Jean Gill | Daughter | — | 3 | ~1937 |
| John Gill | Head | — | 39 | ~1901 |
| Fannie Gill | Spouse | — | 43 | ~1897 |
| George Gill | Son | — | 12 | ~1928 |
| Sherman Gill | Son | — | 8 | ~1932 |
Census Appearances
1920
Rockcastle, Kentucky
Head, age 19
Rockcastle, Kentucky · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gill |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Home Owned/Rented | R |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Rockcastle, Kentucky
Head, age 29
Rockcastle, Kentucky · implied b. ~1901 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gill |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 19 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Laborer |
| Industry | Steam R.R. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Rockcastle-County, Kentucky
Head, age 39
Rockcastle-County, Kentucky · implied b. ~1901 — 8 household members
| Surname | Gill |
| Given Name | John R |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag Dist #4 |
| 1935 Residence (County) | Rockcastle |
| Occupation | Carpenter |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 300 |
| Highest Grade | H 1 |
| 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 John Gill across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Gill
Head · 1940 · age 39 · b. ~1901 · Kentucky
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Rockcastle-County, Kentucky
Open full size
1940 US Federal Census — Rockcastle-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01353-00470)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles Gill | 4 | Son | — | Kentucky |
| 42 | Virginia Gill | 5 | Daughter | — | Kentucky |
| 43 | John R Gill THIS PERSON | 39 | Head | Carpenter | Kentucky |
| 44 | Fannie Gill | 43 | Wife | — | Kentucky |
| 45 | Juanita Gill | 18 | Daughter | — | Kentucky |
| 46 | George Gill | 12 | Son | — | Kentucky |
| 47 | Curtis Gill | 10 | Son | — | Kentucky |
| 48 | Sherman Gill | 8 | Son | — | Kentucky |
| 49 | Earl Gill | 4 | Son | — | Kentucky |
| 50 | Jean Gill | 3 | Daughter | — | Kentucky |
| 51 | Aden Thomas | 27 | Head | Proprietor | Kentucky |
| 52 | Mary D Thomas | 26 | Wife | — | Kentucky |
| 53 | Jesse Wren | 54 | Head | Fireman | Kentucky |
| 54 | Geneva D Wren | 22 | Wife | — | Kentucky |
| 55 | Ray Wren | 16 | Son | — | Kentucky |
| 56 | Lucile Deatheradge | 6 | Step Daughter | — | Kentucky |
| 57 | Carl Deatheradge | 4 | Step Son | — | Kentucky |
| 58 | Park Thomas | 37 | Head | Laborer | Kentucky |
| 59 | Lula D Thomas | 37 | Wife | — | Kentucky |
| 60 | Otis Thomas | 17 | Son | — | Kentucky |
| 61 | Annie Thomas | 16 | Daughter | — | Kentucky |
| 62 | Amosa Thomas | 14 | Son | — | Kentucky |
| 63 | Hollie Thomas | 12 | Daughter | — | Kentucky |
| 64 | Ray Thomas | 11 | Son | — | Kentucky |
| 65 | Willie Thomas | 9 | Son | — | Kentucky |
| 66 | Eulis Thomas | 7 | Son | — | Kentucky |
| 67 | Roland Thomas | 5 | Son | — | Kentucky |
| 68 | Aileen Thomas | 1 | Daughter | — | Kentucky |
| 69 | Reggie Clark | 33 | Head | Laborer | Kentucky |
| 70 | Bertha Clark | 32 | Wife | — | Kentucky |
| 71 | Bertha C Clark | 3 | Daughter | — | Kentucky |
| 72 | Nannie Rich | 64 | Head | — | Tennessee |
| 73 | Clyde (Abs) Rich | 27 | Son | Electrician | Kentucky |
| 74 | Geneva R Rich | 29 | Daughter in law | Home Weaver | Kentucky |
| 75 | Courtney Rose | 42 | Head | Electrician | Kentucky |
| 76 | Gladys Rose | 35 | Wife | — | Kentucky |
| 77 | Doris Rose | 8 | Daughter | — | Kentucky |
| 78 | Jess Rooker | 33 | Head | Laborer | Kentucky |
| 79 | Mary R Rooker | 30 | Wife | — | Kentucky |
| 80 | Gail Rooker | 11 | Son | — | Kentucky |
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)