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John Caldwell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hardeman-County, Texas
Our Model Tree links this John Caldwell across the 1920, 1930 and 1940 US Censuses in Hardeman-County, Texas (XGBoost, ~Confirmed) — first a head (b.~1870), then head of a 4-person household.
Age 70
b. ~1870
Male
Head
Born: Tennessee
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hardeman-County, Texas |
| Surname | Caldwell |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | Quanah |
| 1935 Residence (County) | Hardeman |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | Quanah |
| Est. Birth Year | ~1870 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Lora Caldwell | Daughter | — | 41 | ~1899 |
| John Caldwell | Head | — | 70 | ~1870 |
| Roy Hinton | Other | — | 48 | ~1892 |
| Martha Caldwell | Spouse | — | 64 | ~1876 |
Census Appearances
1920
Hardeman, Texas
Head, age 50
Hardeman, Texas · implied b. ~1870 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Commercial Salesman |
| Industry | Nursery |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Hardeman, Texas
Head, age 60
Hardeman, Texas · implied b. ~1870 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | John A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Age at First Marriage | 24 |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | salesman |
| Industry | nursery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2000 |
| Radio Set | No |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Hardeman-County, Texas
Head, age 70
Hardeman-County, Texas · implied b. ~1870 — 4 household members
| Surname | Caldwell |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | Quanah |
| 1935 Residence (County) | Hardeman |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Caldwell
Head · 1940 · age 70 · b. ~1870 · Texas
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Hardeman-County, Texas
Open full size
1940 US Federal Census — Hardeman-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04051-00176)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ala Stanbridge | 43 | Head | Inventory | Texas |
| 42 | Charles L. Lambert | 56 | Head | Carpenter | Texas |
| 43 | Annie Lambert | 53 | Wife | — | Texas |
| 44 | James C. Lambert | 22 | Son | Carpenter | Texas |
| 45 | Charles L. Jr. Lambert | 19 | Son | Salesman | Texas |
| 46 | Ina May Lambert | 18 | Daughter | — | Texas |
| 47 | Laurice Lambert | 13 | Daughter | — | Texas |
| 48 | Mary Murphy | 65 | Head | — | Tennessee |
| 49 | Vivian O. Stane | 40 | Head | Car Inspector | Texas |
| 50 | Francis R. Stane | 42 | Wife | — | Alabama |
| 51 | Doris Stane | 18 | Daughter | — | Texas |
| 52 | Joe Billy Stane | 16 | Son | Popcorn Salesman | Texas |
| 53 | Betty Sue Stane | 12 | Daughter | — | Texas |
| 54 | W. Charles Stane | 4 | Son | — | Texas |
| 55 | James H. Hall | 68 | Head | — | Arkansas |
| 56 | Annie R. Hall | 69 | Wife | — | Georgia |
| 57 | John Birch | 70 | Lodger | — | Georgia |
| 58 | Lonie L. Wilson | 39 | Head | Laborer | Louisiana |
| 59 | John A. Caldwell THIS PERSON | 70 | Head | — | Tennessee |
| 60 | Martha F. Caldwell | 64 | Wife | — | Kentucky |
| 61 | Lora Caldwell | 41 | Daughter | — | Oklahoma |
| 62 | Roy Hinton | 48 | Lodger | Linter Operator | Texas |
| 63 | Henry S. Mayfield | 53 | Head | Farm Laborer | Texas |
| 64 | William C. Claude | 51 | Head | — | Texas |
| 65 | Florence Claude | 45 | Wife | — | Texas |
| 66 | Herman E. Claude | 22 | Son | Laborer | Texas |
| 67 | Dudley Claude | 15 | Son | Farm Laborer | Texas |
| 68 | Jessie Claude | 13 | Son | — | Texas |
| 69 | Joe W. Claude | 11 | Son | — | Texas |
| 70 | Thudie Claude | 9 | Daughter | — | Texas |
| 71 | Gene S. Claude | 5 | Son | — | Texas |
| 72 | Anvil C. Claude | 1 | Son | — | Texas |
| 73 | Virgle C. Jenkins | 32 | Head | Truck Driver | Texas |
| 74 | Lexie Jenkins | 28 | Wife | — | Oklahoma |
| 75 | Dave C. Jenkins | 3 | Son | — | Texas |
| 76 | James R. Coats | 25 | Head | Laborer | Texas |
| 77 | Zettie Coats | 25 | Wife | — | Texas |
| 78 | Barba Jean Coats | 5 | Daughter | — | Texas |
| 79 | Burton H. Slone | 30 | Head | Linter Operator | Texas |
| 80 | Udell Slone | 27 | Wife | — | Texas |
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)