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Frank Griffin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sumter-County, South Carolina
Our Model Tree links this Frank Griffin across the 1930 and 1940 US Censuses in Sumter-County, South Carolina (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 9-person household.
Age 20
b. ~1920
Male
Son
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sumter-County, South Carolina |
| Surname | Griffin |
| Given Name | Frank son |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Sumter Township |
| 1935 Residence (County) | Sumter |
| Additional Details | |
| Occupation | salesman |
| Industry | retail grocery store |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 468 |
| Highest Grade | Hs 5 |
| 1935 Residence | Same Place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Salesman |
| Township / Ward | Sumter Township |
| Est. Birth Year | ~1920 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Frank Griffin | Son | — | 20 | ~1920 |
| Jessie Griffin | Son | — | 14 | ~1926 |
| Linwood Griffin | Son | — | 4 | ~1936 |
| Bell Griffin | Daughter | — | 18 | ~1922 |
| Leila Griffin | Daughter | — | 2 | ~1938 |
| Willie Griffin | Head | — | 39 | ~1901 |
| Mary Griffin | Spouse | — | 36 | ~1904 |
| James Griffin | Son | — | 11 | ~1929 |
| Marshall Griffin | Son | — | 9 | ~1931 |
Census Appearances
1930
Sumter, South …
Son, age 9
Sumter, South Carolina · implied b. ~1921 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 9 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Sumter-County, South …
Son, age 20
Sumter-County, South Carolina · implied b. ~1920 — 9 household members
| Surname | Griffin |
| Given Name | Frank son |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Sumter Township |
| 1935 Residence (County) | Sumter |
| Occupation | salesman |
| Industry | retail grocery store |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 468 |
| Highest Grade | Hs 5 |
| 1935 Residence | Same Place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
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 Frank Griffin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Frank Griffin
Son · 1940 · age 20 · b. ~1920 · South Carolina
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Sibling
Bell Griffin
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Linwood Griffin
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marshall Griffin
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jessie Griffin
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Griffin
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leila Griffin
Sibling · 1940 · age 2
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 — Sumter-County, South Carolina
Open full size
1940 US Federal Census — Sumter-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03842-00579)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hellen Covington | 36 | Wife | — | Virginia |
| 2 | Ann Covington | 2 | Daughter | — | South Carolina |
| 3 | Bettie Covington | 64 | Mother | — | North Carolina |
| 4 | John Britton | 26 | Head | — | South Carolina |
| 5 | Leon Harrison | 46 | Head | Master Mechanic | Virginia |
| 6 | Gettys Harrison | 48 | Wife | — | North Carolina |
| 7 | Eleanor Harrison | 15 | Daughter | — | South Carolina |
| 8 | Dorothy Harrison | 8 | Daughter | — | South Carolina |
| 9 | Lelia Harrison | 70 | Mother | — | North Carolina |
| 10 | Arthur Knight | 44 | Head | Operator | South Carolina |
| 11 | Jeanne Knight | 37 | Wife | — | South Carolina |
| 12 | James W Boney | 38 | Head | Bookkeeper | South Carolina |
| 13 | Ruth Boney | 35 | Wife | Attendant | South Carolina |
| 14 | James Son Boney | 15 | Son | — | South Carolina |
| 15 | John B Son Boney | 2 | Son | — | South Carolina |
| 16 | Willie Griffin | 39 | Head | Saw Filer | South Carolina |
| 17 | Mary Griffin | 36 | Wife | — | South Carolina |
| 18 | Frank Son Griffin THIS PERSON | 20 | Son | Salesman | South Carolina |
| 19 | Bell Griffin | 18 | Daughter | Student | South Carolina |
| 20 | Jessie Son Griffin | 14 | Son | — | South Carolina |
| 21 | James Son Griffin | 11 | Son | — | South Carolina |
| 22 | Marshall Son Griffin | 9 | Son | — | South Carolina |
| 23 | Linwood Son Griffin | 4 | Son | — | South Carolina |
| 24 | Leila Mae Griffin | 2 | Daughter | — | South Carolina |
| 25 | Edward Boykin | 32 | Head | Sander | South Carolina |
| 26 | Lollie Boykin | 23 | Wife | — | South Carolina |
| 27 | Thelma Boykin | 3 | Daughter | — | South Carolina |
| 28 | Betty Boykin | 0 | Daughter | — | South Carolina |
| 29 | Murdy Brewer | 38 | Head | Sawyer | South Carolina |
| 30 | Mary Brewer | 26 | Wife | — | South Carolina |
| 31 | Mary R Brewer | 2 | Daughter | — | South Carolina |
| 32 | Katie Brewer | 0 | Daughter | — | South Carolina |
| 33 | James Logan | 46 | Head | Operator | South Carolina |
| 34 | Jack Logan | 19 | Son | Truck Driver | South Carolina |
| 35 | Johnnie Logan | 17 | Son | Laborer | South Carolina |
| 36 | Harvey Logan | 12 | Son | — | South Carolina |
| 37 | Lilly Odom | 58 | Head | Cook | South Carolina |
| 38 | Annie Odom | 20 | Daughter | Cook | South Carolina |
| 39 | Mary Odom | 18 | Daughter | — | South Carolina |
| 40 | Albert Austin | 36 | Head | Laborer | South Carolina |
Related Census Records
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)