JC
John Calhoun — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Abbeville-County, South Carolina
Our Model Tree links this John Calhoun across the 1930 and 1940 US Censuses in Abbeville-County, South Carolina (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 8-person household.
Age 11
b. ~1929
Male
Son
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Abbeville-County, South Carolina |
| Surname | Calhoun |
| Given Name | John Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Magnolia |
| 1935 Residence (County) | Abbeville |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Magnolia |
| Est. Birth Year | ~1929 |
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 |
|---|---|---|---|---|
| Jerry Calhoun | Son | — | 3 | ~1937 |
| John Calhoun | Son | — | 11 | ~1929 |
| Sylvia Calhoun | Daughter | — | 10 | ~1930 |
| Mary Calhoun | Spouse | — | 28 | ~1912 |
| Sara Calhoun | Daughter | — | 8 | ~1932 |
| Robert Calhoun | Son | — | 5 | ~1935 |
| Charlie Calhoun | Son | — | 6 | ~1934 |
| John Calhoun | Head | — | 31 | ~1909 |
Census Appearances
1930
Abbeville, South …
Son, age 1
Abbeville, South Carolina · implied b. ~1929 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Calhoun |
| Given Name | John H. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 1 |
| 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
Abbeville-County, South …
Son, age 11
Abbeville-County, South Carolina · implied b. ~1929 — 8 household members
| Surname | Calhoun |
| Given Name | John Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Magnolia |
| 1935 Residence (County) | Abbeville |
| Highest Grade | No 3 |
| 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 John Calhoun across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Calhoun
Son · 1940 · age 11 · b. ~1929 · South Carolina
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Sibling
Sara Calhoun
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlie Calhoun
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sylvia Calhoun
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Calhoun
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jerry Calhoun
Sibling · 1940 · age 3
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 — Abbeville-County, South Carolina
Open full size
1940 US Federal Census — Abbeville-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03781-00626)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alexander Calhoun | 58 | Head | Farmer | South Carolina |
| 42 | Lizzie R Calhoun | 40 | Wife | — | South Carolina |
| 43 | Bennie Calhoun | 26 | Son | Laborer | South Carolina |
| 44 | Robert Calhoun | 25 | Son | Scrap Boy | South Carolina |
| 45 | James Calhoun | 24 | Son | Farm Laborer | South Carolina |
| 46 | Willie Calhoun | 23 | Son | Farm Laborer | South Carolina |
| 47 | Annie Belle Calhoun | 22 | Daughter | Farm Laborer | South Carolina |
| 48 | Laura Mae Calhoun | 20 | Daughter | Farm Laborer | South Carolina |
| 49 | Rosa Lee Calhoun | 15 | Daughter | — | South Carolina |
| 50 | Laura Ann Calhoun | 14 | Daughter | — | South Carolina |
| 51 | Olive Calhoun | 12 | Daughter | — | South Carolina |
| 52 | Jackson Fowler | 50 | Head | Farmer | South Carolina |
| 53 | Ada A Fowler | 44 | Wife | — | Georgia |
| 54 | Wallace Walker | 3 | Son | — | South Carolina |
| 55 | John Calhoun | 31 | Head | Farmer | South Carolina |
| 56 | Mary R Calhoun | 28 | Wife | — | South Carolina |
| 57 | John Jr Calhoun THIS PERSON | 11 | Son | — | South Carolina |
| 58 | Sylvia Calhoun | 10 | Daughter | — | South Carolina |
| 59 | Sara Jean Calhoun | 8 | Daughter | — | South Carolina |
| 60 | Charlie Calhoun | 6 | Son | — | South Carolina |
| 61 | Robert Calhoun | 5 | Son | — | South Carolina |
| 62 | Jerry Calhoun | 3 | Son | — | South Carolina |
| 63 | William Napoleon | 48 | Head | Farmer | South Carolina |
| 64 | Carrie L Napoleon | 46 | Wife | — | South Carolina |
| 65 | Lula Heard | 40 | Head | Farm Laborer | South Carolina |
| 66 | Moses Heard | 20 | Son | Farm Laborer | South Carolina |
| 67 | Eliza Mae Heard | 18 | Daughter | Cook | South Carolina |
| 68 | J W Heard | 16 | Son | Laborer | Georgia |
| 69 | Presley Heard | 14 | Son | Yard Boy | South Carolina |
| 70 | Mildred Heard | 12 | Daughter | — | South Carolina |
| 71 | Isom Heard | 10 | Son | — | South Carolina |
| 72 | Lucile Heard | 8 | Daughter | — | South Carolina |
| 73 | Annie Mae Heard | 6 | Daughter | — | South Carolina |
| 74 | Willie T Heard | 4 | Son | — | South Carolina |
| 75 | Luther G Scott | 49 | Head | Weaver | South Carolina |
| 76 | Willie Lou Scott | 47 | Wife | — | South Carolina |
| 77 | Allen Scott | 28 | Son | — | South Carolina |
| 78 | Paul Scott | 21 | Son | Battery Filler | South Carolina |
| 79 | Esther Scott | 19 | Daughter | — | South Carolina |
| 80 | Lee Scott | 16 | Son | Farm 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)