RC
Robert Caldwell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Williamson-County, Tennessee
Our Model Tree links this Robert Caldwell across the 1920, 1930 and 1940 US Censuses in Williamson-County, Tennessee (XGBoost, ~Confirmed), with identified parents Mattie & Mattie — first a son (b.~1915), then head of a 5-person household.
Age 25
b. ~1915
Male
Son
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Williamson-County, Tennessee |
| Surname | Caldwell |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | 5 District |
| 1935 Residence (County) | Williamson |
| Additional Details | |
| Occupation | Labour |
| Industry | Shoe Manufacture |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 936 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Labour |
| Township / Ward | 5 District |
| Est. Birth Year | ~1915 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Clyde Caldwell | Son | — | 18 | ~1922 |
| Mattie Caldwell | Spouse | — | 61 | ~1879 |
| A Caldwell | Head | — | 58 | ~1882 |
| Robert Caldwell | Son | — | 25 | ~1915 |
| Chester Caldwell | Son | — | 19 | ~1921 |
Census Appearances
1920
Williamson, Tennessee
Son, age 3
Williamson, Tennessee · implied b. ~1917 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Williamson, Tennessee
Son, age 13
Williamson, Tennessee · implied b. ~1917 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Helper |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Williamson-County, Tennessee
Son, age 25
Williamson-County, Tennessee · implied b. ~1915 — 5 household members
| Surname | Caldwell |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | 5 District |
| 1935 Residence (County) | Williamson |
| Occupation | Labour |
| Industry | Shoe Manufacture |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 936 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Robert Caldwell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mattie Caldwell (~0.92 confidence) and mother Mattie Caldwell (~0.92 confidence) and father A Caldwell (~0.92 confidence) and father Wallace Caldwell (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mattie Caldwell
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Mattie Caldwell
b. ~1880
Source mother
● Household
· direct · ~0.92
Father
A Caldwell
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Wallace Caldwell
b. ~1883
Source father
● Household
· direct · ~0.92
This person
Anchor record
Robert Caldwell
Son · 1940 · age 25 · b. ~1915 · Tennessee
★ You are viewing this record
Sibling
Chester Caldwell
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clyde Caldwell
Sibling · 1940 · age 18
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 — Williamson-County, Tennessee
Open full size
1940 US Federal Census — Williamson-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03949-00194)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Thornton | 12 | son | — | Tennessee |
| 2 | Ann Thornton | 7 | daughter | — | Tennessee |
| 3 | Carrie Davis | 56 | Sister | — | Tennessee |
| 4 | Jesse Lee Smith | 52 | Head | Road Construction | Tennessee |
| 5 | Nora Smith | 49 | wife | — | Tennessee |
| 6 | Axie Smith | 23 | daughter | Kindergarden | Tennessee |
| 7 | Ellis Smith | 16 | son | New Worker | Tennessee |
| 8 | Jack Scruggs | 41 | Head | Farm Laborer | Tennessee |
| 9 | Effie Scruggs | 39 | wife | — | Tennessee |
| 10 | James T Scruggs | 17 | son | Farm Laborer | Tennessee |
| 11 | Jack Jr. Scruggs | 16 | son | Farm Laborer | Tennessee |
| 12 | Enda Scruggs | 15 | daughter | — | Tennessee |
| 13 | Thelma Scruggs | 14 | daughter | — | Tennessee |
| 14 | Robert Scruggs | 12 | son | — | Tennessee |
| 15 | Wiley Scruggs | 38 | Head | — | Tennessee |
| 16 | Jane Scruggs | 38 | wife | — | Tennessee |
| 17 | Ray Pearl Scruggs | 57 | daughter | — | Tennessee |
| 18 | Jim Cannon | 61 | Head | Farmer | Tennessee |
| 19 | Mary Lizzie Cannon | 58 | wife | — | Tennessee |
| 20 | Novella Cannon | 19 | daughter | — | Tennessee |
| 21 | Willie Cannon | 16 | son | Farmer | Tennessee |
| 22 | Alice Cannon | 13 | daughter | — | Tennessee |
| 23 | Mary Patton | 69 | Head | — | Tennessee |
| 24 | Willie Patton | 21 | grandson | Farm Laborer | Tennessee |
| 25 | Albert Patton | 19 | grandson | Farm Laborer | Tennessee |
| 26 | Wash Cannon | 25 | Head | Farmer | Tennessee |
| 27 | Laura Cannon | 26 | wife | School Teacher | Tennessee |
| 28 | Leonard Hutchison | 30 | Head | Farmer | Tennessee |
| 29 | Lula Hutchison | 50 | wife | — | Tennessee |
| 30 | R. H. Drake | 57 | Head | Farmer | Tennessee |
| 31 | Pearl Drake | 53 | wife | — | Tennessee |
| 32 | R. H. Jr Drake | 18 | son | Laborer Farm | Tennessee |
| 33 | A. W. Caldwell | 58 | Head | Farmer | Tennessee |
| 34 | Mattie Caldwell | 61 | wife | — | Tennessee |
| 35 | Robert Caldwell THIS PERSON | 25 | son | Labour | Tennessee |
| 36 | Chester Caldwell | 19 | son | Farmer | Tennessee |
| 37 | Clyde Caldwell | 18 | son | Farmer | Tennessee |
| 38 | G. W. Inman | 56 | Head | Farmer | Tennessee |
| 39 | Brittie Inman | 51 | wife | — | Tennessee |
| 40 | Walter Inman | 27 | son | Laborer | Tennessee |
Pedigree Summary
Robert + 2 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)