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Martha Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Tennessee
Our Model Tree links this Martha Thomas across the 1930 and 1940 US Censuses in Montgomery-County, Tennessee (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 12-person household.
Age 16
b. ~1924
Female
Daughter
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Tennessee |
| Surname | Thomas |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Industry | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | Clarksville City |
| 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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Martha Thomas | Daughter | — | 16 | ~1924 |
| Brenda Thomas | Daughter | — | 3 | ~1937 |
| Mary Thomas | Daughter | — | 14 | ~1926 |
| Wilbur Thomas | Head | — | 42 | ~1898 |
| Hattie Coke | Other | — | 49 | ~1891 |
| Ella Talley | Other | — | 79 | ~1861 |
| Jess Thomas | Son | — | 12 | ~1928 |
| Morris Thomas | Son | — | 5 | ~1935 |
| Billy Thomas | Son | — | 9 | ~1931 |
| Bobby Thomas | Son | — | 8 | ~1932 |
| Tommy Thomas | Son | — | 1 | ~1939 |
| E Thomas | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Montgomery, Tennessee
Daughter, age 6
Montgomery, Tennessee · implied b. ~1924 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Montgomery-County, Tennessee
Daughter, age 16
Montgomery-County, Tennessee · implied b. ~1924 — 12 household members
| Surname | Thomas |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Montgomery |
| Industry | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Tennessee |
| 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 Martha Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Thomas
Daughter · 1940 · age 16 · b. ~1924 · Tennessee
★ You are viewing this record
Sibling
Tommy Thomas
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jess Thomas
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Billy Thomas
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bobby Thomas
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Brenda Thomas
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Morris Thomas
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Thomas
Sibling · 1940 · age 14
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 — Montgomery-County, Tennessee
Open full size
1940 US Federal Census — Montgomery-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03923-00371)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George Howell | 52 | Head | Foreman | Tennessee |
| 42 | Ella Howell | 37 | Wife | — | Tennessee |
| 43 | John B Starky | 69 | Head | Job-Sampler | Tennessee |
| 44 | Sadie Starky | 30 | Daughter | Cook | Tennessee |
| 45 | Lena P Willard | 63 | Head | — | Kentucky |
| 46 | Lula M Willard | 34 | Niece | Bookkeeper | Tennessee |
| 47 | Wilbur Thomas | 42 | Head | Paper Hanger | Tennessee |
| 48 | E. C. Thomas | 40 | Wife | — | Tennessee |
| 49 | Martha Thomas THIS PERSON | 16 | Daughter | — | Tennessee |
| 50 | Mary Grace Thomas | 14 | Daughter | — | Tennessee |
| 51 | Jess Thomas | 12 | Son | — | Tennessee |
| 52 | Billy Thomas | 9 | Son | — | Tennessee |
| 53 | Bobby Thomas | 8 | Son | — | Tennessee |
| 54 | Morris Thomas | 5 | Son | — | Tennessee |
| 55 | Brenda Ann Thomas | 3 | Daughter | — | Tennessee |
| 56 | Tommy Thomas | 1 | Son | — | Tennessee |
| 57 | Hattie Coke | 49 | Aunt | — | Tennessee |
| 58 | Ella Talley | 79 | Grandmother | — | Tennessee |
| 59 | Will S Anderson | 57 | Head | Janitor | Tennessee |
| 60 | Sadie P Anderson | 52 | Wife | — | Tennessee |
| 61 | Lawrence Anderson | 22 | Son | Presser | Tennessee |
| 62 | Louisa Anderson | 17 | Daughter | — | Tennessee |
| 63 | William G. Pigue | 26 | Head | Asst. Manager | Tennessee |
| 64 | Edna Mae Pigue | 23 | Wife | — | Tennessee |
| 65 | Billy Gene Pigue | 1 | Son | — | Tennessee |
| 66 | Shirley Ann Pigue | 0 | Daughter | — | Tennessee |
| 67 | Marie Gilbert | 66 | Head | Teacher | Tennessee |
| 68 | Bradford Morris | 70 | Head | Forman | Tennessee |
| 69 | Violet Pearl Morris | 32 | Wife | — | Washington |
| 70 | Dorothy Morris | 13 | Daughter | — | Kentucky |
| 71 | Frances Morris | 12 | Daughter | — | Illinois |
| 72 | Raymond Davis | 35 | Head | Mechanic | Tennessee |
| 73 | Lena May Davis | 36 | Wife | — | Tennessee |
| 74 | Raymond Davis | 18 | Son | — | Tennessee |
| 75 | Howard W Davis | 16 | Son | — | Tennessee |
| 76 | Nancy Ann Davis | 14 | Daughter | — | Tennessee |
| 77 | Henry Austin Davis | 11 | Son | — | Tennessee |
| 78 | Felix Blackwell | 43 | Head | — | Tenn |
| 79 | Clifton Blackwell | 23 | Son | Painter | Tenn |
| 80 | Marie Gilbert | 66 | Head | — | 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)