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James Caldwell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lowndes-County, Alabama
Our Model Tree links this James Caldwell across the 1930 and 1940 US Censuses in Lowndes-County, Alabama (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 10-person household.
Age 16
b. ~1924
Male
Son
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lowndes-County, Alabama |
| Surname | Caldwell |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Lowndes |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 2 |
| 1935 Residence | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Beat 17 |
| Est. Birth Year | ~1924 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Irene Caldwell | Daughter | — | 8 | ~1932 |
| I Caldwell | Daughter | — | 12 | ~1928 |
| Louise Caldwell | Daughter | — | 4 | ~1936 |
| Ella Caldwell | Daughter | — | 10 | ~1930 |
| Dorniedoynie Caldwell | Head | — | 52 | ~1888 |
| Boyce Caldwell | Son | — | 15 | ~1925 |
| Joseph Caldwell | Son | — | 1 | ~1939 |
| Ellie Caldwell | Son | — | 6 | ~1934 |
| James Caldwell | Son | — | 16 | ~1924 |
| Irene Caldwell | Spouse | — | 41 | ~1899 |
Census Appearances
1930
Lowndes, Alabama
Son, age 7
Lowndes, Alabama · implied b. ~1923 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | Jamie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read/Write | No |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Lowndes-County, Alabama
Son, age 16
Lowndes-County, Alabama · implied b. ~1924 — 10 household members
| Surname | Caldwell |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Lowndes |
| Class of Worker | 0 |
| Highest Grade | 2 |
| 1935 Residence | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 James Caldwell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Caldwell
Son · 1940 · age 16 · b. ~1924 · Alabama
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Sibling
Ella Caldwell
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Caldwell
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Caldwell
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
I Caldwell
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Boyce Caldwell
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Caldwell
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ellie Caldwell
Sibling · 1940 · age 6
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 — Lowndes-County, Alabama
Open full size
1940 US Federal Census — Lowndes-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00054-00527)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jesse Taylor | 16 | Son | Laborer | Alabama |
| 42 | Corrie Taylor | 14 | Daughter | — | Alabama |
| 43 | May Dell Taylor | 12 | Daughter | — | Alabama |
| 44 | Viola Taylor | 11 | Daughter | — | Alabama |
| 45 | Bessie Taylor | 2 | Daughter | 0 | Alabama |
| 46 | Sara Taylor | 63 | Mother | — | Alabama |
| 47 | Lola Mae Taylor | 20 | Daughter | Laborer | Alabama |
| 48 | Sara Mae Taylor | 3 | Daughter | — | Alabama |
| 49 | James Brown | 43 | Head | Laborer | Alabama |
| 50 | Calvin Poole | 62 | Head | Farmer | Alabama |
| 51 | Arria Poole | 69 | Wife | — | Alabama |
| 52 | Jimmi Briggs | 54 | Head | Laborer | Alabama |
| 53 | Arrie Briggs | 55 | Wife | Laborer | Alabama |
| 54 | Anderson Briggs | 8 | Son | — | Alabama |
| 55 | Mason Jackson | 25 | Bro in law | Laborer | Alabama |
| 56 | George Henry Owen | 70 | Head | — | Alabama |
| 57 | Pauline Owen | 62 | Wife | — | Alabama |
| 58 | Pascal Owen | 27 | Son | Farm | Alabama |
| 59 | Hardy M. Owen | 24 | Head | Merchant | Alabama |
| 60 | Mary Alice Owen | 20 | Wife | — | Alabama |
| 61 | Hardie M. Jr. Owen | 1 | Son | 0 | Alabama |
| 62 | Dornie|Doynie Caldwell | 52 | Head | Laborer | Alabama |
| 63 | Irene Caldwell | 41 | Wife | — | Alabama |
| 64 | James Caldwell THIS PERSON | 16 | Son | — | Alabama |
| 65 | Boyce Caldwell | 15 | Son | — | Alabama |
| 66 | I Willa Caldwell | 12 | Daughter | — | Alabama |
| 67 | Ella Caldwell | 10 | Daughter | — | Alabama |
| 68 | Irene Caldwell | 8 | Daughter | — | Alabama |
| 69 | Ellie Frank Caldwell | 6 | Son | — | Alabama |
| 70 | Louise Caldwell | 4 | Daughter | — | Alabama |
| 71 | Joseph Caldwell | 1 | Son | — | Alabama |
| 72 | Sallie Fulty | 24 | Head | Laborer | Alabama |
| 73 | Mary Fulty | 20 | Wife | Laborer | Alabama |
| 74 | Ed Watts | 55 | Head | Laborer | Alabama |
| 75 | Mamie Watts | 44 | Wife | Laborer | Alabama |
| 76 | Ora Mae Watts | 17 | Daughter | — | Alabama |
| 77 | Lynn Watts | 16 | Son | Laborer | Alabama |
| 78 | Charlie Watts | 15 | Son | Laborer | Alabama |
| 79 | Prince Watts | 13 | Son | — | Alabama |
| 80 | Woodrow Watts | 9 | Son | — | Alabama |
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)