JG
John Griffin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Dooly-County, Georgia
Our Model Tree links this John Griffin across the 1920, 1930 and 1940 US Censuses in Dooly-County, Georgia (XGBoost, ~Confirmed), with identified parents Henry & Angeline — first a head (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Male
Head
Born: Georgia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Dooly-County, Georgia |
| Surname | Griffin |
| Given Name | John |
| Relationship to Head | head |
| Sex | M |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | Unadilla |
| 1935 Residence (County) | Dooly |
| Additional Details | |
| Occupation | laborer |
| Industry | farm |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 160 |
| Highest Grade | No 1 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Occupation | Laborer |
| Township / Ward | Unadilla |
| Est. Birth Year | ~1917 |
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 |
|---|---|---|---|---|
| Jimmie Griffin | Daughter | — | 9 | ~1931 |
| John Griffin | Head | — | 23 | ~1917 |
| Otha Griffin | Son | — | 7 | ~1933 |
| Sammy Griffin | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Dooly, Georgia
Son, age 3
Dooly, Georgia · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | none |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1930
Dooly, Georgia
Son, age 13
Dooly, Georgia · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Can Read/Write | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Dooly-County, Georgia
Head, age 23
Dooly-County, Georgia · implied b. ~1917 — 4 household members
| Surname | Griffin |
| Given Name | John |
| Relationship to Head | head |
| Sex | M |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | Unadilla |
| 1935 Residence (County) | Dooly |
| Occupation | laborer |
| Industry | farm |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 160 |
| Highest Grade | No 1 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
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 Griffin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Griffin (~0.92 confidence) and mother Angeline Griffin (~0.92 confidence) and mother Kate Griffin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Griffin
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Angeline Griffin
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Kate Griffin
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Griffin
Head · 1940 · age 23 · b. ~1917 · Georgia
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Dooly-County, Georgia
Open full size
1940 US Federal Census — Dooly-County, Georgia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00666-00951)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Felder Laidler | 60 | head | Laborer | Georgia |
| 42 | Annie Laidler | 58 | wife | — | Georgia |
| 43 | Dals Parker | 62 | head | Water Carrier | Georgia |
| 44 | Eva Parker | 62 | wife | — | Georgia |
| 45 | Edgar Roberts | 60 | head | Farmer | Georgia |
| 46 | Lucy Roberts | 60 | wife | — | Georgia |
| 47 | Jack Roberts | 22 | son | Laborer | Georgia |
| 48 | Audrey Roberts | 19 | daughter | — | Georgia |
| 49 | Alice Pine | 37 | head | — | Georgia |
| 50 | Ossie Pine | 15 | daughter | Laborer | Georgia |
| 51 | Carlos Pine | 14 | son | Laborer | Georgia |
| 52 | R. B. Pine | 9 | grand son | — | Georgia |
| 53 | Ed Cherry | 58 | head | Ditch Digger | Georgia |
| 54 | Lula Mae Cherry | 40 | wife | — | Georgia |
| 55 | Lena Mae Cherry | 13 | daughter | — | Georgia |
| 56 | Daisy Cherry | 8 | daughter | — | Georgia |
| 57 | Fannie Cherry | 5 | daughter | — | Georgia |
| 58 | John Griffin THIS PERSON | 23 | head | Laborer | Georgia |
| 59 | Sammy Lee Griffin | 25 | wife | — | Georgia |
| 60 | Jimmie Lee Griffin | 9 | daughter | — | Georgia |
| 61 | Otha Dee Griffin | 7 | son | — | Georgia |
| 62 | George Passmore | 59 | head | Farmer | Georgia |
| 63 | Ester Passmore | 45 | wife | — | Georgia |
| 64 | Bobbie Passmore | 21 | son | Laborer | Georgia |
| 65 | James Passmore | 20 | son | Laborer | Georgia |
| 66 | Otis Passmore | 18 | son | Laborer | Georgia |
| 67 | Hugh Passmore | 15 | son | Laborer | Georgia |
| 68 | Charles Passmore | 12 | son | — | Georgia |
| 69 | Pearl Passmore | 9 | daughter | — | Georgia |
| 70 | Avis Passmore | 7 | son | — | Georgia |
| 71 | Lois Passmore | 3 | daughter | — | Georgia |
| 72 | George Jr. Passmore | 1 | son | — | Georgia |
| 73 | Maybee Mckensie | 6 | grand daughter | — | Georgia |
| 74 | Ruby Lee Mckensie | 5 | grand daughter | — | Georgia |
| 75 | Linton Mckensie | 4 | grand son | — | Georgia |
| 76 | Mattie Tukes | 51 | head | — | Georgia |
| 77 | Ossie Tukes | 16 | daughter | Laborer | Georgia |
| 78 | Jimmie Tukes | 14 | son | Laborer | Georgia |
| 79 | Mandy Minor | 105 | head | — | Georgia |
| 80 | Jeannie Minor | 50 | son | Laborer | Georgia |
Pedigree Summary
John
Gen 1 · 3 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)