RC
Robert Carroll — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamilton-County, Tennessee
Our Model Tree links this Robert Carroll across the 1910, 1920, 1930 and 1940 US Censuses in Hamilton-County, Tennessee (XGBoost, ~Confirmed), with identified parents L & S — first a head (b.~1904), then head of a 4-person household.
Age 36
b. ~1904
Male
Head
Born: Tennessee
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Tennessee |
| Surname | Carroll |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | Chattanooga |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Occupation | Border |
| Industry | Hosiery Mill |
| Class of Worker | PW |
| Hours Worked | 76 |
| Income (1939) | 800 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Border |
| Township / Ward | Chattanooga |
| Est. Birth Year | ~1904 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| James Carroll | Son | — | 13 | ~1927 |
| Margaret Carroll | Daughter | — | 15 | ~1925 |
| Robert Carroll | Head | — | 36 | ~1904 |
| Cleo Carroll | Spouse | — | 44 | ~1896 |
Census Appearances
1910
Hamilton, Tennessee
Son, age 7
Hamilton, Tennessee · implied b. ~1903 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1920
Hamilton, Tennessee
Son, age 16
Hamilton, Tennessee · implied b. ~1904 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | Robt |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Hamilton, Tennessee
Head, age 26
Hamilton, Tennessee · implied b. ~1904 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Age at First Marriage | 19 |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Boarder |
| Industry | Hosiery Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 20 |
| Radio Set | R |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Hamilton-County, Tennessee
Head, age 36
Hamilton-County, Tennessee · implied b. ~1904 — 4 household members
| Surname | Carroll |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | Chattanooga |
| 1935 Residence (County) | Hamilton |
| Occupation | Border |
| Industry | Hosiery Mill |
| Class of Worker | PW |
| Hours Worked | 76 |
| Income (1939) | 800 |
| Highest Grade | No 6 |
| 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 Carroll across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father L Carroll (~0.92 confidence) and father S Carroll (~0.92 confidence) and mother Ida Carroll (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
L Carroll
b. ~1879
Source father
● Household
· direct · ~0.92
Father
S Carroll
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Ida Carroll
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Carroll
Head · 1940 · age 36 · b. ~1904 · Tennessee
★ 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 — Hamilton-County, Tennessee
Open full size
1940 US Federal Census — Hamilton-County, Tennessee
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-03954-00146)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bertha Mclean | 36 | Wife | Cake Icer | Alabama |
| 42 | Mary Elizabeth Mclean | 17 | Daughter | — | Tennessee |
| 43 | Frances Marie Mclean | 15 | Daughter | — | Tennessee |
| 44 | Robert J. Stephenson | 33 | Head | Electrical Engineer | Arkansas |
| 45 | Madge D. Stephenson | 30 | Wife | — | Kansas |
| 46 | Beverly Sue Stephenson | 2 | Daughter | — | Georgia |
| 47 | Robert James Stephenson | 2 | Son | — | Tennessee |
| 48 | Charlie R. Hendrix | 49 | Head | Sheet Metal Worker | Georgia |
| 49 | Addie Lee Hendrix | 44 | Wife | — | Georgia |
| 50 | Charles Lee Hendrix | 22 | Son | — | Tennessee |
| 51 | Harry A. Light | 32 | Head | Salesman | Tennessee |
| 52 | Inez S. Light | 31 | Wife | — | Tennessee |
| 53 | John C. Boose | 73 | Head | Salesman | Kentucky |
| 54 | Carrie D. Boose | 63 | Wife | — | Tennessee |
| 55 | Eloise Boose | 36 | Daughter | — | Tennessee |
| 56 | James T. Boyd | 59 | Head | Engineer | Tennessee |
| 57 | Lilly Jane Boyd | 56 | Wife | — | Tennessee |
| 58 | Sarah Jane Boyd | 24 | Daughter | Stenographer | Tennessee |
| 59 | Nell Sue Boyd | 17 | Daughter | — | Tennessee |
| 60 | Abner W. Boyd | 31 | Head | Draftsman | Tennessee |
| 61 | Madeline Boyd | 30 | Wife | Stenographer | Tennessee |
| 62 | Luther R. Hise | 32 | Head | Salesman | Arkansas |
| 63 | Edith B. Hise | 32 | Wife | Saleslady | Tennessee |
| 64 | Willis D. Catlin | 88 | Head | — | New York |
| 65 | Harry U. Catlin | 49 | Son | Salesman | Michigan |
| 66 | Sarah D. Catlin | 49 | Daughter-in-law | — | Tennessee |
| 67 | Joyce Grant | 23 | Grandson | Assistant Shipping Clerk | Tennessee |
| 68 | Joel W. Brown | 31 | Head | Pharmacist | Georgia |
| 69 | Marybeth Brown | 26 | Wife | — | Georgia |
| 70 | Grady Grant | 7 | Stepson | — | Georgia |
| 74 | Robert Carroll THIS PERSON | 36 | Head | Border | Tennessee |
| 75 | Cleo D. Carroll | 44 | Wife | — | Tennessee |
| 76 | Margaret Carroll | 15 | Daughter | — | Georgia |
| 77 | James Carroll | 13 | Son | — | Tennessee |
| 78 | Luther Tweedell | 74 | Head | Tinsmith | Georgia |
| 79 | Kate D. Tweedell | 39 | Wife | — | Georgia |
| 80 | Hazel Tweedell | 10 | Daughter | — | Georgia |
Pedigree Summary
Robert
Gen 1 · 3 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)