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John Cowan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Anderson-County, South Carolina
Our Model Tree links this John Cowan across the 1930 and 1940 US Censuses in Anderson-County, South Carolina (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 8-person household.
Age 15
b. ~1925
Male
Son
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Anderson-County, South Carolina |
| Surname | Cowan |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (County) | Anderson |
| Additional Details | |
| Occupation | Same Place |
| Industry | 40 |
| Class of Worker | Laborer |
| Highest Grade | No 6 |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Same Place |
| Township / Ward | Martin Township |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Florrie Cowan | Daughter | — | 20 | ~1920 |
| Jesse Cowan | Daughter | — | 23 | ~1917 |
| Viola Cowan | Other | — | 12 | ~1928 |
| Carry Cowan | Daughter | — | 10 | ~1930 |
| Ella Cowan | Spouse | — | 51 | ~1889 |
| Idella Cowan | Daughter | — | 18 | ~1922 |
| John Cowan | Head | — | 52 | ~1888 |
| John Cowan | Son | — | 15 | ~1925 |
Census Appearances
1930
Abbeville, South …
Other, age 5
Abbeville, South Carolina · implied b. ~1925 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cowan |
| Given Name | John |
| Relationship to Head | Gr-Son |
| 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
Anderson-County, South …
Son, age 15
Anderson-County, South Carolina · implied b. ~1925 — 8 household members
| Surname | Cowan |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (County) | Anderson |
| Occupation | Same Place |
| Industry | 40 |
| Class of Worker | Laborer |
| Highest Grade | No 6 |
| 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 John Cowan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Cowan
Son · 1940 · age 15 · b. ~1925 · South Carolina
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Sibling
Jesse Cowan
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Idella Cowan
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florrie Cowan
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carry Cowan
Sibling · 1940 · age 10
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 — Anderson-County, South Carolina
Open full size
1940 US Federal Census — Anderson-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03787-00070)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Betty Joyce Hawkins | 0 | Daughter | Same Place | South Carolina |
| 42 | Decia Hawkins | 54 | Mother | Same Place | South Carolina |
| 43 | Melvin Ellis | 63 | Head | Same Place | South Carolina |
| 44 | Alena Ellis | 43 | Wife | Same Place | South Carolina |
| 45 | Esau Ellis | 16 | Son | Same Place | South Carolina |
| 46 | John A. Cowan | 52 | Head | Same Place | South Carolina |
| 47 | Ella Cowan | 51 | Wife | Same Place | South Carolina |
| 48 | Jesse M. Cowan | 23 | Daughter | Same Place | South Carolina |
| 49 | Florrie M. Cowan | 20 | Daughter | Same Place | South Carolina |
| 50 | Idella Cowan | 18 | Daughter | Same Place | South Carolina |
| 51 | Carry B. Cowan | 10 | Daughter | Same Place | South Carolina |
| 52 | John L. Cowan THIS PERSON | 15 | Son | Same Place | South Carolina |
| 53 | Viola Cowan | 12 | Granddaughter | Same Place | South Carolina |
| 54 | James Rice | 59 | Head | Same Place | South Carolina |
| 55 | Maggie Rice | 41 | Wife | Same Place | South Carolina |
| 56 | Hermon Rice | 25 | Son | Same Place | South Carolina |
| 57 | Major Rice | 15 | Son | Same Place | South Carolina |
| 58 | Lanson S. Hawkins | 24 | Head | Same House | South Carolina |
| 59 | Pearl Hawkins | 23 | Wife | Same House | South Carolina |
| 60 | Preston Hawkins | 3 | Son | — | South Carolina |
| 61 | W. J. Jr. Hawkins | 22 | Head | Same Place | South Carolina |
| 62 | Marie Hawkins | 20 | Wife | Same Place | South Carolina |
| 63 | William D. Hawkins | 0 | Son | — | South Carolina |
| 64 | W. J. Hawkins | 58 | Head | Same House | South Carolina |
| 65 | Cola Lee Hawkins | 46 | Wife | Same House | South Carolina |
| 66 | Doris Hawkins | 20 | Daughter | Same House | South Carolina |
| 67 | Annie Hawkins | 18 | Daughter | Same House | South Carolina |
| 68 | Olga Hawkins | 15 | Daughter | Same House | South Carolina |
| 69 | G. M. Hawkins | 48 | Head | Same House | South Carolina |
| 70 | L. A. Hawkins | 45 | Wife | Same House | South Carolina |
| 71 | Joe Hawkins | 21 | Son | Same House | South Carolina |
| 72 | Clyde Hawkins | 20 | Son | Same House | South Carolina |
| 73 | Francis Hawkins | 19 | Daughter | Same House | South Carolina |
| 74 | Margie Hawkins | 17 | Daughter | Same House | South Carolina |
| 75 | Cynthia Hawkins | 15 | Daughter | Same House | South Carolina |
| 76 | Jack Hawkins | 13 | Son | Same House | South Carolina |
| 77 | Sam Hawkins | 9 | Son | Same House | South Carolina |
| 78 | Clifton Brock | 27 | Head | 30 | South Carolina |
| 79 | Gladys Brock | 19 | Wife | Same Place | South Carolina |
| 80 | Gerrell Brock | 0 | 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)