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Martha Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Arkansas
Our Model Tree links this Martha Thomas across the 1930 and 1940 US Censuses in Jefferson-County, Arkansas (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 11-person household.
Age 15
b. ~1925
Female
Daughter
Born: Arkansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Arkansas |
| Surname | Thomas |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Arkansas |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | No |
| Industry | No |
| Class of Worker | No |
| Highest Grade | No 6 |
| 1935 Residence | Arkansas |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
| Township / Ward | Pastoria |
| 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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Charlie Davenport | Daughter | — | 21 | ~1919 |
| Willie Davenport | Daughter | — | 2 | ~1938 |
| Hattie Thomas | Daughter | — | 17 | ~1923 |
| Geraldine Thomas | Daughter | — | 10 | ~1930 |
| Martha Thomas | Daughter | — | 15 | ~1925 |
| Nathaniel Thomas | Head | — | 45 | ~1895 |
| Willie Thomas | Son | — | 3 | ~1937 |
| Griffin Thomas | Son | — | 18 | ~1922 |
| Dan Thomas | Son | — | 7 | ~1933 |
| Nathaniel Thomas | Son | — | 5 | ~1935 |
| Cealie Thomas | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Jefferson, Arkansas
Daughter, age 6
Jefferson, Arkansas · implied b. ~1924 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Arkansas |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Arkansas |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
1940
Jefferson-County, Arkansas
Daughter, age 15
Jefferson-County, Arkansas · implied b. ~1925 — 11 household members
| Surname | Thomas |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Arkansas |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Jefferson |
| Occupation | No |
| Industry | No |
| Class of Worker | No |
| Highest Grade | No 6 |
| 1935 Residence | Arkansas |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
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 15 · b. ~1925 · Arkansas
★ You are viewing this record
Sibling
Nathaniel Thomas
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dan Thomas
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlie Davenport
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willie Davenport
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hattie Thomas
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willie Thomas
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Griffin Thomas
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Geraldine Thomas
Sibling · 1940 · age 10
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 — Jefferson-County, Arkansas
Open full size
1940 US Federal Census — Jefferson-County, Arkansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00145-00493)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary L. Hayman | 5 | Daughter | — | Arkansas |
| 42 | Nathaniel Thomas | 45 | Head | Farmer | Arkansas |
| 43 | Cealie Thomas | 44 | Wife | — | Arkansas |
| 44 | Griffin Thomas | 18 | Son | No | Arkansas |
| 45 | Hattie Thomas | 17 | Daughter | No | Arkansas |
| 46 | Martha Thomas THIS PERSON | 15 | Daughter | No | Arkansas |
| 47 | Geraldine Thomas | 10 | Daughter | — | Arkansas |
| 48 | Dan L. Thomas | 7 | Son | — | Arkansas |
| 49 | Nathaniel Jr. Thomas | 5 | Son | — | Arkansas |
| 50 | Willie J. Thomas | 3 | Son | — | Arkansas |
| 51 | Charlie Davenport | 21 | Daughter | Laborer | Arkansas |
| 52 | Willie M. Davenport | 2 | Daughter | — | Arkansas |
| 53 | Joe E. Charles | 52 | Head | Laborer | Arkansas |
| 54 | Josie Charles | 45 | Wife | — | Arkansas |
| 55 | Erna L. Charles | 15 | Daughter | Laborer | Arkansas |
| 56 | Mary L. Charles | 10 | Daughter | — | Arkansas |
| 57 | Margie L. Charles | 5 | Daughter | — | Arkansas |
| 58 | Thomas Cates | 24 | Head | Farmer | Arkansas |
| 59 | Ines Cates | 25 | Wife | — | Arkansas |
| 60 | Billie Cates | 5 | Son | — | Arkansas |
| 61 | Bettie Cates | 3 | Daughter | — | Arkansas |
| 62 | Genevia Cates | 0 | Daughter | — | Arkansas |
| 63 | Robert Lockett | 61 | Head | Farmer | Arkansas |
| 64 | Litha Lockett | 41 | Wife | — | Arkansas |
| 65 | Alice L. Lockett | 15 | Daughter | — | Arkansas |
| 66 | William Lockett | 13 | Son | — | Arkansas |
| 67 | Corine Lockett | 11 | Daughter | — | Arkansas |
| 68 | James Wallace | 20 | Step Son | Laborer | Arkansas |
| 69 | Mary Wallace | 17 | Step Daughter | Laborer | Arkansas |
| 70 | Griffin Thomas | 0 | Son | — | Arkansas |
| 71 | Robert Gunnerson | 49 | Head | Farmer | Arkansas |
| 72 | Mabel Gunnerson | 33 | Wife | — | Arkansas |
| 73 | Cathalene Gunnerson | 10 | Daughter | — | Arkansas |
| 74 | Malven Gunnerson | 8 | Son | — | Arkansas |
| 75 | Lue Gene Lockett | 84 | Head | — | Arkansas |
| 76 | Matty Taylor | 50 | Niece | Farmer | Arkansas |
| 77 | Joe Syphus | 47 | Head | Farmer | Arkansas |
| 78 | Ella M. Syphus | 27 | Wife | — | Arkansas |
| 79 | Jun Lee Campbell | 13 | Lodger | — | Arkansas |
| 80 | Lijatta Sims | 11 | Lodger | — | Arkansas |
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)