JP
John Preston — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Calhoun-County, South Carolina
Our Model Tree links this John Preston across the 1930 and 1940 US Censuses in Calhoun-County, South Carolina (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 8-person household.
Age 10
b. ~1930
Male
Son
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Calhoun-County, South Carolina |
| Surname | Preston |
| Given Name | John Jr |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Lyons Township |
| 1935 Residence (County) | Calhoun |
| Additional Details | |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Lyons Township |
| Est. Birth Year | ~1930 |
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 |
|---|---|---|---|---|
| Mary Preston | Daughter | — | 6 | ~1934 |
| Rose Preston | Spouse | — | 28 | ~1912 |
| John Preston | Son | — | 10 | ~1930 |
| Thomas Preston | Son | — | 5 | ~1935 |
| John Preston | Head | — | 31 | ~1909 |
| Roosevelt Preston | Son | — | ~1940 | |
| Gracie Preston | Daughter | — | 3 | ~1937 |
| Le Preston | Son | — | 9 | ~1931 |
Census Appearances
1930
Calhoun, South …
Other, age 3
Calhoun, South Carolina · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Preston |
| Given Name | John D. |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | Black |
| Age | 3 |
| 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
Calhoun-County, South …
Son, age 10
Calhoun-County, South Carolina · implied b. ~1930 — 8 household members
| Surname | Preston |
| Given Name | John Jr |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Lyons Township |
| 1935 Residence (County) | Calhoun |
| Highest Grade | No 2 |
| 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 Preston across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Preston
Son · 1940 · age 10 · b. ~1930 · South Carolina
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Sibling
Roosevelt Preston
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Preston
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Le Preston
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gracie Preston
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Preston
Sibling · 1940 · age 5
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 — Calhoun-County, South Carolina
Open full size
1940 US Federal Census — Calhoun-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03792-00297)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Emma Mae Kritt | 6 | daughter | — | South Carolina |
| 2 | Richard Brunson | 39 | head | Farmer | South Carolina |
| 3 | Millie Brunson | 37 | wife | — | South Carolina |
| 4 | Robine Brunson | 8 | daughter | — | South Carolina |
| 5 | Marion Brunson | 6 | daughter | — | South Carolina |
| 6 | Richard Jr Brunson | 3 | son | — | South Carolina |
| 7 | John E. Brunson | 0 | son | — | South Carolina |
| 8 | Urelee|Urelea Hart | 13 | niece | — | South Carolina |
| 9 | David Lee Hart | 6 | nephew | — | South Carolina |
| 10 | Thomas Haigler | 23 | head | Farm Laborer | South Carolina |
| 11 | Mary Ellen Haigler | 22 | wife | — | South Carolina |
| 12 | Shirley Mae Haigler | 2 | daughter | — | South Carolina |
| 13 | Martha Haigler | 0 | daughter | — | South Carolina |
| 14 | Suzanne Bookhardt | 75 | grandmother | — | South Carolina |
| 15 | John Preston | 31 | head | Farmer | South Carolina |
| 16 | Rose Preston | 28 | wife | — | South Carolina |
| 17 | John Jr Preston THIS PERSON | 10 | son | — | South Carolina |
| 18 | Le Roy Preston | 9 | son | — | South Carolina |
| 19 | Mary Preston | 6 | daughter | — | South Carolina |
| 20 | Thomas Preston | 5 | son | — | South Carolina |
| 21 | Gracie Preston | 3 | daughter | — | South Carolina |
| 22 | Roosevelt Preston | 0 | son | — | South Carolina |
| 23 | William Brunson | 38 | head | Farmer | South Carolina |
| 24 | Cornelia Brunson | 28 | wife | — | South Carolina |
| 25 | Catherine Brunson | 15 | daughter | — | South Carolina |
| 26 | Mary Brunson | 13 | daughter | — | South Carolina |
| 27 | Martha Brunson | 13 | daughter | — | South Carolina |
| 28 | Wilhemena Brunson | 11 | daughter | — | South Carolina |
| 29 | Ceclie Mae Brunson | 9 | daughter | — | South Carolina |
| 30 | Annie Maude Brunson | 2 | daughter | — | South Carolina |
| 31 | John Robinson | 56 | head | Farmer | South Carolina |
| 32 | Mary Robinson | 39 | wife | — | South Carolina |
| 33 | David Snell | 18 | son | — | South Carolina |
| 34 | Arthur Jr Snell | 14 | son | — | South Carolina |
| 35 | Grady Robinson | 11 | son | — | South Carolina |
| 36 | Mary A. Dukes | 19 | daughter | Day Labor | South Carolina |
| 37 | Erwin Dukes | 21 | son-in-law | Saw Mill | South Carolina |
| 38 | Henry Preston | 56 | head | Farmer | South Carolina |
| 39 | Maggie Preston | 34 | wife | — | South Carolina |
| 40 | Margaret Bookhart | 17 | daughter | Day Labor | 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)