EC
Earl Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, South Carolina
Our Model Tree links this Earl Campbell across the 1930 and 1940 US Censuses in Marion-County, South Carolina (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 6-person household.
Age 15
b. ~1925
Male
Son
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, South Carolina |
| Surname | Campbell |
| Given Name | Earl L |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Sellers town |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Sellers Town |
| Est. Birth Year | ~1925 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Earl | Age | Birth yr |
|---|---|---|---|---|
| Caroline Campbell | Spouse | — | 26 | ~1914 |
| Wilson Campbell | Son | — | 13 | ~1927 |
| Earl Campbell | Son | — | 15 | ~1925 |
| Blanche Campbell | Daughter | — | 6 | ~1934 |
| Roosevelt Campbell | Head | — | 35 | ~1905 |
| Drucilla Campbell | Daughter | — | 2 | ~1938 |
Census Appearances
1930
Marion, South …
Other, age 5
Marion, South Carolina · implied b. ~1925 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Evan |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | Black |
| Age | 5 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Marion-County, South …
Son, age 15
Marion-County, South Carolina · implied b. ~1925 — 6 household members
| Surname | Campbell |
| Given Name | Earl L |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Sellers town |
| 1935 Residence (County) | Marion |
| Class of Worker | 0 |
| Highest Grade | No 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 Earl Campbell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Earl Campbell
Son · 1940 · age 15 · b. ~1925 · South Carolina
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Sibling
Blanche Campbell
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Drucilla Campbell
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilson Campbell
Sibling · 1940 · age 13
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 — Marion-County, South Carolina
Open full size
1940 US Federal Census — Marion-County, South Carolina
Page Contents
18 people indexed on this census page (nara:1940:m-t0627-03825-00418)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Franklin, Celestina Crawford | 1 | grand-child | — | South Carolina |
| 42 | Arthur M Rowell | 46 | Head | Inspector | South Carolina |
| 43 | Ruth Rowell | 46 | Wife | — | South Carolina |
| 44 | Gladys Rowell | 19 | daughter | — | Georgia |
| 45 | Venus Hawthorne | 34 | Head | Servant | South Carolina |
| 46 | Alexander White | 44 | Head | Farmer | South Carolina |
| 47 | Corretter White | 35 | Wife | Laborer | South Carolina |
| 48 | Katherine White | 13 | daughter | — | South Carolina |
| 49 | Beulah White | 6 | daughter | — | South Carolina |
| 50 | Roosevelt Campbell | 35 | Head | Farmer | South Carolina |
| 51 | Caroline Campbell | 26 | Wife | — | South Carolina |
| 52 | Earl L Campbell THIS PERSON | 15 | son | — | South Carolina |
| 53 | Wilson Campbell | 13 | son | — | South Carolina |
| 54 | Blanche Campbell | 6 | daughter | — | South Carolina |
| 55 | Drucilla Campbell | 2 | daughter | — | South Carolina |
| 56 | Sandy Horn | 52 | Head | Laborer | South Carolina |
| 57 | Sam Horn | 36 | Head | Accountant | South Carolina |
| 58 | Elizabeth Horn | 29 | Wife | — | South Carolina |
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)