JC
John Caldwell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Newberry-County, South Carolina
Our Model Tree links this John Caldwell across the 1930 and 1940 US Censuses in Newberry-County, South Carolina (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 14-person household.
Age 15
b. ~1925
Male
Son
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Newberry-County, South Carolina |
| Surname | Caldwell |
| Given Name | John Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Newberry Township, Ward 1 |
| 1935 Residence (County) | Newberry |
| Additional Details | |
| Highest Grade | G 4 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Newberry Township Ward 1 |
| 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.
14 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Caldwell | Daughter | — | 13 | ~1927 |
| Maggie Caldwell | Daughter | — | 19 | ~1921 |
| Sim Caldwell | Head | — | 50 | ~1890 |
| John Henderson | Other | — | 5 | ~1935 |
| Odell Caldwell | Son | — | 9 | ~1931 |
| Jimmie Caldwell | Son | — | 12 | ~1928 |
| Sim Caldwell | Son | — | 17 | ~1923 |
| Duffy Caldwell | Son | — | 16 | ~1924 |
| Bostie Caldwell | Son | — | 8 | ~1932 |
| Otis Caldwell | Son | — | 10 | ~1930 |
| John Caldwell | Son | — | 15 | ~1925 |
| Bob Caldwell | Son | — | 11 | ~1929 |
| Edward Caldwell | Son | — | 14 | ~1926 |
| Nancy Caldwell | Spouse | — | 48 | ~1892 |
Census Appearances
1930
Newberry, South …
Son, age 6
Newberry, South Carolina · implied b. ~1924 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | John D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 6 |
| 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
Newberry-County, South …
Son, age 15
Newberry-County, South Carolina · implied b. ~1925 — 14 household members
| Surname | Caldwell |
| Given Name | John Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Newberry Township, Ward 1 |
| 1935 Residence (County) | Newberry |
| Highest Grade | G 4 |
| 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 Caldwell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Caldwell
Son · 1940 · age 15 · b. ~1925 · South Carolina
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Sibling
Bob Caldwell
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Caldwell
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Odell Caldwell
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maggie Caldwell
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Duffy Caldwell
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sim Caldwell
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bostie Caldwell
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Caldwell
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Otis Caldwell
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jimmie Caldwell
Sibling · 1940 · age 12
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 — Newberry-County, South Carolina
Open full size
1940 US Federal Census — Newberry-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03827-00265)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Carolyn Hurdy | 12 | Daughter | — | South Carolina |
| 42 | William Mcdufford | 31 | Head | Steel Layer | South Carolina |
| 43 | Mildred Mcdufford | 26 | Wife | — | South Carolina |
| 44 | Lillian Mcdufford | 6 | Daughter | — | South Carolina |
| 45 | Billie Mcdufford | 3 | Son | — | South Carolina |
| 46 | Linnie Kibler | 60 | Head | — | Florida |
| 47 | Sim Caldwell | 50 | Head | Operator | South Carolina |
| 48 | Nancy Caldwell | 48 | Wife | Laborer | South Carolina |
| 49 | Maggie Caldwell | 19 | Daughter | Laborer | South Carolina |
| 50 | Sim Jr. Caldwell | 17 | Son | Laborer | South Carolina |
| 51 | Duffy Lee Caldwell | 16 | Son | Laborer | South Carolina |
| 52 | John Henry Caldwell THIS PERSON | 15 | Son | — | South Carolina |
| 53 | Edward Caldwell | 14 | Son | — | South Carolina |
| 54 | Mary Caldwell | 13 | Daughter | — | South Carolina |
| 55 | Jimmie Lee Caldwell | 12 | Son | — | South Carolina |
| 56 | """Bob"" Ruth" Caldwell | 11 | Son | — | South Carolina |
| 57 | Otis Caldwell | 10 | Son | — | South Carolina |
| 58 | Odell Caldwell | 9 | Son | — | South Carolina |
| 59 | Bostie Caldwell | 8 | Son | — | South Carolina |
| 60 | John Duffy Henderson | 5 | Grandson | — | South Carolina |
| 61 | Long Langley | 34 | Head | Operator | South Carolina |
| 62 | Mamie Langley | 27 | Wife | Laborer | South Carolina |
| 63 | Joseph L. Langley | 5 | Son | — | South Carolina |
| 64 | Mildred Langley | 4 | Daughter | — | South Carolina |
| 65 | Charles Ed. Langley | 2 | Son | — | South Carolina |
| 66 | Samuel Langley | 1 | Son | — | South Carolina |
| 67 | Melvinia Thompson | 30 | Sister | — | South Carolina |
| 68 | Sim Roland | 53 | Head | Operator | South Carolina |
| 69 | Lizzie A. Roland | 52 | Wife | — | South Carolina |
| 70 | Pearl Roland | 28 | Daughter | Cook | South Carolina |
| 71 | Lizzie Lee Roland | 19 | Daughter | Maid | South Carolina |
| 72 | David Roland | 18 | Son | Carpenter | South Carolina |
| 73 | William Roland | 17 | Son | Laborer | South Carolina |
| 74 | Raymond Roland | 15 | Son | — | South Carolina |
| 75 | Walter R. Willard | 42 | Head | Section Foreman | South Carolina |
| 76 | Rosa B. Willard | 39 | Wife | Spinner | North Carolina |
| 77 | Ivon Willard | 19 | Son | Attendant | South Carolina |
| 78 | Rachel Willard | 17 | Daughter | — | South Carolina |
| 79 | Whitney Willard | 15 | Son | — | South Carolina |
| 80 | Danny Willard | 13 | 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)