JG
John Griffith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Leslie-County, Kentucky
Our Model Tree links this John Griffith across the 1920, 1930 and 1940 US Censuses in Leslie-County, Kentucky (XGBoost, ~Confirmed), with identified parents Mal & Mal — first a son (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Leslie-County, Kentucky |
| Surname | Griffith |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag. D. 3 |
| 1935 Residence (County) | Leslie |
| Additional Details | |
| Occupation | Farming |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 125 |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Farming |
| Township / Ward | Mag D 3 |
| Est. Birth Year | ~1915 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Dora Griffith | Daughter | — | 38 | ~1902 |
| Mal Griffith | Head | — | 71 | ~1869 |
| Oscar Griffith | Son | — | 10 | ~1930 |
| John Griffith | Son | — | 25 | ~1915 |
Census Appearances
1920
Leslie, Kentucky
Son, age 4
Leslie, Kentucky · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffitts |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Leslie, Kentucky
Son, age 15
Leslie, Kentucky · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffith |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Age at First Marriage | VVVV |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Leslie-County, Kentucky
Son, age 25
Leslie-County, Kentucky · implied b. ~1915 — 4 household members
| Surname | Griffith |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag. D. 3 |
| 1935 Residence (County) | Leslie |
| Occupation | Farming |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 125 |
| Highest Grade | No 0 |
| 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 Griffith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Mal Griffith (~0.92 confidence) and father Mal Griffitts (~0.92 confidence) and father Maul Griffith (~0.92 confidence) and mother Julia Griffitts (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Mal Griffith
b. ~1869
Source father
● Household
· direct · ~0.92
Father
Mal Griffitts
b. ~1869
Source father
● Household
· direct · ~0.92
Father
Maul Griffith
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Julia Griffitts
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Griffith
Son · 1940 · age 25 · b. ~1915 · Kentucky
★ You are viewing this record
Sibling
Oscar Griffith
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dora Griffith
Sibling · 1940 · age 38
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 — Leslie-County, Kentucky
Open full size
1940 US Federal Census — Leslie-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01329-00699)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bessie Sizemore | 25 | Daughter | — | Kentucky |
| 42 | Coker Sizemore | 2 | Son | — | Kentucky |
| 43 | Johnnie Roark | 52 | Head | Farmer | Kentucky |
| 44 | Bertha Roark | 40 | Wife | — | Kentucky |
| 45 | Senora Roark | 23 | Daughter | — | Kentucky |
| 46 | Monie Roark | 17 | Daughter | — | Kentucky |
| 47 | Alonzo Roark | 15 | Son | Farmer | Kentucky |
| 48 | Hall Roark | 13 | Daughter | — | Kentucky |
| 49 | Carlos Roark | 10 | Son | — | Kentucky |
| 50 | Oralee Roark | 8 | Daughter | — | Kentucky |
| 51 | Johnnie Roark | 6 | Son | — | Kentucky |
| 52 | Tom Roark | 2 | Son | — | Kentucky |
| 53 | Still Roark | 43 | Head | Farmer | Kentucky |
| 54 | Tilda Roark | 36 | Wife | — | Kentucky |
| 55 | Carrie Roark | 18 | Daughter | — | Kentucky |
| 56 | Martha Roark | 10 | Daughter | — | Kentucky |
| 57 | Maylin Roark | 8 | Daughter | — | Kentucky |
| 58 | Nova Roark | 6 | Daughter | — | Kentucky |
| 59 | Dorothy Roark | 3 | Daughter | — | Kentucky |
| 60 | Finley Roark | 17 | Son | Farmer | Kentucky |
| 61 | Jake Roark | 21 | Head | Laborer | Kentucky |
| 62 | Sudie Roark | 22 | Wife | — | Kentucky |
| 63 | Eater Roark | 1 | Daughter | — | Kentucky |
| 64 | John Brock | 60 | Head | Farmer | Kentucky |
| 65 | Boyd Brock | 31 | Head | Farmer | Kentucky |
| 66 | Dora Brock | 23 | Wife | — | Kentucky |
| 67 | Amanda Brock | 5 | Daughter | — | Kentucky |
| 68 | Mae Brock | 1 | Daughter | — | Kentucky |
| 69 | Jim Hensley | 49 | Head | Laborer | Kentucky |
| 70 | Fanny Hensley | 42 | Wife | — | Kentucky |
| 71 | Otis Hensley | 17 | Son | Farming | Kentucky |
| 72 | Mollie Hensley | 14 | Daughter | — | Kentucky |
| 73 | Harlie Hensley | 13 | Son | — | Kentucky |
| 74 | Ella Hensley | 12 | Daughter | — | Kentucky |
| 75 | Conley Hensley | 9 | Son | — | Kentucky |
| 76 | Walter Hensley | 5 | Son | — | Kentucky |
| 77 | Mal Griffith | 71 | Head | — | Kentucky |
| 78 | John Griffith THIS PERSON | 25 | Son | Farming | Kentucky |
| 79 | Dora Griffith | 38 | Daughter | — | Kentucky |
| 80 | Oscar Griffith | 10 | Son | — | Kentucky |
Pedigree Summary
John + 2 siblings
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)