JC
James Carroll — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mcnairy-County, Tennessee
Our Model Tree links this James Carroll across the 1930 and 1940 US Censuses in Mcnairy-County, Tennessee (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 10-person household.
Age 15
b. ~1925
Male
Son
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mcnairy-County, Tennessee |
| Surname | Carroll |
| Given Name | James D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Fourth District |
| 1935 Residence (County) | McNairy |
| Additional Details | |
| Occupation | OT |
| Industry | S |
| Income (1939) | 0 |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Ot |
| Township / Ward | Fourth District |
| 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Martha Carroll | Daughter | — | 2 | ~1938 |
| Wilda Carroll | Daughter | — | 8 | ~1932 |
| Barbara Carroll | Daughter | — | ~1940 | |
| Helen Carroll | Daughter | — | 10 | ~1930 |
| Joyce Carroll | Daughter | — | 12 | ~1928 |
| Elwood Carroll | Son | — | 14 | ~1926 |
| James Carroll | Son | — | 15 | ~1925 |
| Joe Carroll | Son | — | 5 | ~1935 |
| Frank Carroll | Son | — | 7 | ~1933 |
| Mary Carroll | Spouse | — | 36 | ~1904 |
Census Appearances
1930
Mcnairy, Tennessee
Son, age 6
Mcnairy, Tennessee · implied b. ~1924 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | James D. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | none |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Mcnairy-County, Tennessee
Son, age 15
Mcnairy-County, Tennessee · implied b. ~1925 — 10 household members
| Surname | Carroll |
| Given Name | James D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Fourth District |
| 1935 Residence (County) | McNairy |
| Occupation | OT |
| Industry | S |
| Income (1939) | 0 |
| Highest Grade | 7 |
| 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 James Carroll across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Carroll
Son · 1940 · age 15 · b. ~1925 · Tennessee
★ You are viewing this record
Sibling
Joyce Carroll
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Carroll
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joe Carroll
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elwood Carroll
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Carroll
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilda Carroll
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Carroll
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Carroll
Sibling · 1940 · age 7
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 — Mcnairy-County, Tennessee
Open full size
1940 US Federal Census — Mcnairy-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03916-00329)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Carroll | 36 | Wife | H | Tennessee |
| 2 | James D. Carroll THIS PERSON | 15 | Son | Ot | Tennessee |
| 3 | Elwood Carroll | 14 | Son | Laborer | Tennessee |
| 4 | Joyce Carroll | 12 | Daughter | — | Tennessee |
| 5 | Helen Carroll | 10 | Daughter | — | Tennessee |
| 6 | Wilda Carroll | 8 | Daughter | — | Tennessee |
| 7 | Frank Carroll | 7 | Son | — | Tennessee |
| 8 | Joe Carroll | 5 | Son | — | Tennessee |
| 9 | Martha Carroll | 2 | Daughter | — | Tennessee |
| 10 | Barbara Carroll | 0 | Daughter | — | Tennessee |
| 11 | Fred Fowler | 47 | Head | Laborer | Tennessee |
| 12 | Carrie P. Fowler | 43 | Wife | H | Mississippi |
| 13 | Fred Fowler | 22 | Son | Laborer | Tennessee |
| 14 | Loney T. Fowler | 45 | Head | Farm Operator | Tennessee |
| 15 | Lena Fowler | 26 | Wife | H | Tennessee |
| 16 | Eula M. Fowler | 16 | Daughter | Ot | Tennessee |
| 17 | Loney C. Fowler | 14 | Son | Laborer | Tennessee |
| 18 | Ota L. Fowler | 12 | Son | — | Tennessee |
| 19 | Madie Fowler | 9 | Daughter | — | Tennessee |
| 20 | Carmidgie Fowler | 4 | Daughter | — | Tennessee |
| 21 | Jimmie L. Lambert | 2 | Step Son | — | Tennessee |
| 22 | Walter Clemens | 34 | Head | — | Tennessee |
| 23 | Lina Clemens | 60 | Wife | — | Tennessee |
| 24 | Frank Dickerson | 62 | Head | Farm Operator | Tennessee |
| 25 | Mattie L. Dickerson | 36 | Wife | H | Tennessee |
| 26 | Milton Lambert | 26 | Head | — | Tennessee |
| 27 | Elmer Lambert | 30 | Wife | H | Tennessee |
| 28 | Arlie R. George | 39 | Head | Farm Operator | Tennessee |
| 29 | Arlie George | 37 | Wife | H | Tennessee |
| 30 | General George | 15 | Son | Laborer | Tennessee |
| 31 | Ray George | 12 | Son | — | Tennessee |
| 32 | Melvin George | 9 | Son | — | Tennessee |
| 33 | John George | 7 | Son | — | Tennessee |
| 34 | Jean George | 2 | Daughter | — | Tennessee |
| 35 | Dora Robbins | 45 | Head | Farm Operator | Tennessee |
| 36 | Lula Mae Robbins | 16 | Daughter | — | Tennessee |
| 37 | Martha Robbins | 6 | Daughter | — | Tennessee |
| 38 | Harold Austin | 30 | Head | Farm Operator | Tennessee |
| 39 | Maggie Austin | 31 | Wife | H | Tennessee |
| 40 | Billy J. Austin | 9 | Son | — | Tennessee |
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)