WC
William Cobb — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Georgetown-County, South Carolina
Our Model Tree links this William Cobb across the 1930 and 1940 US Censuses in Georgetown-County, South Carolina (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 9-person household.
Age 21
b. ~1919
Male
Son
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Georgetown-County, South Carolina |
| Surname | Cobb |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | #6 Township Carver Bay |
| 1935 Residence (County) | Georgetown |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 150 |
| Highest Grade | No 3 |
| 1935 Residence | Same house |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Laborer |
| Township / Ward | 6 Township Carver Bay |
| Est. Birth Year | ~1919 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Caroline Cobb | Spouse | — | 52 | ~1888 |
| William Cobb | Son | — | 21 | ~1919 |
| Lila Cobb | Daughter | — | 9 | ~1931 |
| James Cobb | Son | — | 12 | ~1928 |
| Waymon Cobb | Son | — | 19 | ~1921 |
| Fred Cobb | Head | — | 51 | ~1889 |
| Bit Cobb | Other | — | 99 | ~1841 |
| Albertha Cobb | Daughter | — | 14 | ~1926 |
| P Cobb | Son | — | 8 | ~1932 |
Census Appearances
1930
Georgetown, South …
Son, age 15
Georgetown, South Carolina · implied b. ~1915 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cobb |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Farm laborer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Georgetown-County, South …
Son, age 21
Georgetown-County, South Carolina · implied b. ~1919 — 9 household members
| Surname | Cobb |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | #6 Township Carver Bay |
| 1935 Residence (County) | Georgetown |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 150 |
| Highest Grade | No 3 |
| 1935 Residence | Same house |
| 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 William Cobb across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Cobb
Son · 1940 · age 21 · b. ~1919 · South Carolina
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Sibling
James Cobb
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
P Cobb
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lila Cobb
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Waymon Cobb
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albertha Cobb
Sibling · 1940 · age 14
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 — Georgetown-County, South Carolina
Open full size
1940 US Federal Census — Georgetown-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03810-00626)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lawrence Lee Davis | 16 | Daughter | — | South Carolina |
| 2 | Aretha Davis | 14 | Daughter | — | South Carolina |
| 3 | Marthena Davis | 10 | Daughter | — | South Carolina |
| 4 | Nellie Rena Davis | 2 | Daughter | — | South Carolina |
| 5 | James Bridges | 50 | Head | Sawyer | South Carolina |
| 6 | Adriana Bridges | 40 | Wife | — | South Carolina |
| 7 | Joseph Campbell | 17 | Step son | — | South Carolina |
| 8 | Willie B. Campbell | 10 | Step daughter | — | South Carolina |
| 9 | Alvin B. Tanner | 46 | Head | Farmer | South Carolina |
| 10 | Bertie B. Tanner | 52 | Wife | — | South Carolina |
| 11 | Merton Tanner | 18 | Son | — | South Carolina |
| 12 | Ervin Tanner | 13 | Son | — | South Carolina |
| 13 | Faye Tanner | 8 | Daughter | — | South Carolina |
| 14 | Fred Cobb | 51 | Head | Laborer | South Carolina |
| 15 | Caroline Cobb | 52 | Wife | — | South Carolina |
| 16 | William Cobb THIS PERSON | 21 | Son | Laborer | South Carolina |
| 17 | Waymon Cobb | 19 | Son | Laborer | South Carolina |
| 18 | Albertha Cobb | 14 | Daughter | — | South Carolina |
| 19 | James Cobb | 12 | Son | — | South Carolina |
| 20 | Lila Mae Cobb | 9 | Daughter | — | South Carolina |
| 21 | P. J. Cobb | 8 | Son | — | South Carolina |
| 22 | Bit Cobb | 99 | Mother | — | South Carolina |
| 23 | John Ford | 66 | Head | — | South Carolina |
| 24 | Betty Ford | 58 | Wife | — | South Carolina |
| 25 | James Ford Ford | 14 | Son | — | South Carolina |
| 26 | Geo E. Harrel | 33 | Head | Salesman | South Carolina |
| 27 | Azalee L. Harrel | 32 | Wife | — | South Carolina |
| 28 | Emily Harrel | 9 | Daughter | — | South Carolina |
| 29 | Peggy Harrel | 7 | Daughter | — | South Carolina |
| 30 | Elizabeth Lewis | 43 | Head | — | South Carolina |
| 31 | Hattie Lewis | 6 | Grand daughter | — | South Carolina |
| 32 | Luther Lewis | 21 | Head | Sawyer | South Carolina |
| 33 | Alice H. Lewis | 19 | Wife | Laborer | South Carolina |
| 34 | Rena Mae Lewis | 4 | Daughter | — | South Carolina |
| 35 | Georgia Mae Lewis | 3 | Daughter | — | South Carolina |
| 36 | Luther Jr. Lewis | 2 | Son | — | South Carolina |
| 37 | James Minton | 32 | Head | Farmer | South Carolina |
| 38 | Lillie Minton | 23 | Wife | — | South Carolina |
| 39 | James Calvin Minton | 7 | Son | — | South Carolina |
| 40 | Adell Minton | 5 | Daughter | — | 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)