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Robert Griffin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Claiborne-County, Tennessee
Our Model Tree links this Robert Griffin across the 1920, 1930 and 1940 US Censuses in Claiborne-County, Tennessee (XGBoost, ~Confirmed), with identified parents Joseph & Joe — first a head (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Male
Head
Born: Tennessee
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Claiborne-County, Tennessee |
| Surname | Griffin |
| Given Name | Robert |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (County) | Claiborne |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Farmer |
| Township / Ward | Civil Dist 4 |
| Est. Birth Year | ~1918 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Margurite Griffin | Spouse | — | 18 | ~1922 |
| Cliford Griffin | Son | — | 1 | ~1939 |
| Robert Griffin | Head | — | 22 | ~1918 |
Census Appearances
1920
Claiborne, Tennessee
Son, age 1
Claiborne, Tennessee · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Claiborne, Tennessee
Son, age 11
Claiborne, Tennessee · implied b. ~1919 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | Ross L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Claiborne-County, Tennessee
Head, age 22
Claiborne-County, Tennessee · implied b. ~1918 — 3 household members
| Surname | Griffin |
| Given Name | Robert |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (County) | Claiborne |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 Griffin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Griffin (~0.92 confidence) and father Joe Griffin (~0.92 confidence) and mother Zada Griffin (~0.92 confidence) and mother Lula Griffin (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Griffin
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Joe Griffin
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Zada Griffin
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Lula Griffin
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Griffin
Head · 1940 · age 22 · b. ~1918 · Tennessee
★ 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 — Claiborne-County, Tennessee
Open full size
1940 US Federal Census — Claiborne-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03880-00318)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Junior Helton | 1 | son | — | Tennessee |
| 2 | Clittie Seal | 19 | daughter | — | Tennessee |
| 3 | Donahay Seal | 13 | daughter | — | Tennessee |
| 4 | Pete Helton | 72 | brother | — | Tennessee |
| 5 | Willis D. Elrod | 29 | head | None | Tennessee |
| 6 | Arie Elrod | 22 | wife | Barber | Tennessee |
| 7 | Junior Elrod | 1 | son | — | Tennessee |
| 8 | J. T. Manning | 45 | head | Farmer | Tennessee |
| 9 | Lillie E. Manning | 48 | wife | — | Tennessee |
| 10 | Thel Manning | 20 | daughter | — | Tennessee |
| 11 | George Manning | 17 | son | Farmer | Tennessee |
| 12 | Hazel Manning | 15 | daughter | None | Tennessee |
| 13 | Isom Manning | 12 | son | — | Tennessee |
| 14 | Bobbie J. Manning | 10 | daughter | — | Tennessee |
| 15 | Doris Jean Manning | 4 | daughter | — | Tennessee |
| 16 | Frank Hayes | 52 | head | Farmer | Tennessee |
| 17 | Gula Hayes | 47 | wife | — | Tennessee |
| 18 | Frank Griffin | 23 | step son | Farmer | Tennessee |
| 19 | Velva Griffin | 18 | daughter | — | Tennessee |
| 20 | Delphia Griffin | 16 | daughter | — | Tennessee |
| 21 | Parcil Griffin | 14 | son | — | Tennessee |
| 22 | Clarence Griffin | 11 | son | — | Tennessee |
| 23 | Robert Griffin THIS PERSON | 22 | head | Farmer | Tennessee |
| 24 | Margurite Griffin | 18 | wife | — | Tennessee |
| 25 | Cliford Griffin | 1 | son | — | Tennessee |
| 26 | Tilmon Clark | 44 | head | Laborer | Tennessee |
| 27 | Cora Clark | 41 | wife | — | Tennessee |
| 28 | Bill Clark | 21 | son | Farmer | Tennessee |
| 29 | Vickie Clark | 18 | daughter | — | Tennessee |
| 30 | Dayton Clark | 15 | son | — | Tennessee |
| 31 | Joris Clark | 14 | daughter | Farmer | Tennessee |
| 32 | Earnest Clark | 11 | son | — | Tennessee |
| 33 | Elsie Clark | 8 | daughter | — | Tennessee |
| 34 | George Clark | 5 | son | — | Tennessee |
| 35 | Jean Clark | 3 | daughter | — | Tennessee |
| 36 | Clay Shockley | 28 | head | Farmer | Tennessee |
| 37 | Ethel Shockley | 27 | wife | — | Tennessee |
| 38 | Eldon Shockley | 9 | son | — | Tennessee |
| 39 | Imojean Shockley | 7 | daughter | — | Tennessee |
| 40 | Kenneth Forris Shockley | 2 | son | — | Tennessee |
Pedigree Summary
Robert
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)