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Martha Gray — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sumter-County, Alabama
Our Model Tree links this Martha Gray across the 1930 and 1940 US Censuses in Sumter-County, Alabama (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 10-person household.
Age 17
b. ~1923
Female
Daughter
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sumter-County, Alabama |
| Surname | Gray |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Beat 4 Election Precinct 14 Gainesville |
| 1935 Residence (County) | Sumter |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Beat 4 Election Precinct 14 Gainesville |
| Est. Birth Year | ~1923 |
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 Martha | Age | Birth yr |
|---|---|---|---|---|
| Edward Gray | Son | — | 14 | ~1926 |
| Sarthea Gray | Head | — | 45 | ~1895 |
| Martha Gray | Daughter | — | 17 | ~1923 |
| Arzell Gray | Spouse | — | 40 | ~1900 |
| Eugene Gray | Son | — | 2 | ~1938 |
| Herman Gray | Son | — | 8 | ~1932 |
| Willie Gray | Son | — | 3 | ~1937 |
| Mary Gray | Daughter | — | 17 | ~1923 |
| Sarthea Gray | Son | — | 15 | ~1925 |
| James Gray | Son | — | 12 | ~1928 |
Census Appearances
1930
Sumter, Alabama
Other, age 8
Sumter, Alabama · implied b. ~1922 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Martha |
| Relationship to Head | Granddaughter |
| Sex | F |
| Color / Race | Black |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Sumter-County, Alabama
Daughter, age 17
Sumter-County, Alabama · implied b. ~1923 — 10 household members
| Surname | Gray |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Beat 4 Election Precinct 14 Gainesville |
| 1935 Residence (County) | Sumter |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 Gray across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Gray
Daughter · 1940 · age 17 · b. ~1923 · Alabama
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Sibling
Eugene Gray
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sarthea Gray
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herman Gray
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Gray
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Gray
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Gray
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willie Gray
Sibling · 1940 · age 3
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 — Sumter-County, Alabama
Open full size
1940 US Federal Census — Sumter-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00080-00557)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Buchanan Irma Buchanan | 13 | Daughter | — | Alabama |
| 2 | Williams James Buchanan | 5 | Grandson | — | Alabama |
| 3 | Joe Daniels | 74 | Head | Farmer | Alabama |
| 4 | W. S. Daniels | 18 | Son | Helper | Alabama |
| 5 | Charles Daniels | 26 | Head | Farmer | Alabama |
| 6 | Irene Daniels | 21 | Wife | — | Alabama |
| 7 | James Daniels | 8 | Son | — | Alabama |
| 8 | Charlie Jr. Daniels | 6 | Son | — | Alabama |
| 9 | Hugh Daniels | 4 | Son | — | Alabama |
| 10 | Robert Buchanan | 60 | Head | Farmer | Alabama |
| 11 | Louvenia Buchanan | 25 | Wife | — | Alabama |
| 12 | Walter Buchanan | 27 | Son | Laborer | Alabama |
| 13 | Henry Buchanan | 32 | Head | Farmer | Alabama |
| 14 | Jessie B. Buchanan | 18 | Wife | — | Alabama |
| 15 | Mary Lillian Buchanan | 6 | Daughter | — | Alabama |
| 16 | Henry Jr. Buchanan | 4 | Son | — | Alabama |
| 17 | Johnnie Edna Buchanan | 2 | Daughter | — | Alabama |
| 18 | Sarthea Gray | 45 | Head | Farmer | Alabama |
| 19 | Arzell Gray | 40 | Wife | — | Alabama |
| 20 | Mary Gray | 17 | Daughter | — | Alabama |
| 21 | Martha Gray THIS PERSON | 17 | Daughter | — | Alabama |
| 22 | Sarthea Jr. Gray | 15 | Son | — | Alabama |
| 23 | Edward Gray | 14 | Son | — | Alabama |
| 24 | James Gray | 12 | Son | — | Alabama |
| 25 | Herman Gray | 8 | Son | — | Alabama |
| 26 | Willie Howard Gray | 3 | Son | — | Alabama |
| 27 | Eugene Gray | 2 | Son | — | Alabama |
| 28 | Seymour Thomas | 67 | Head | Farmer | Alabama |
| 29 | Ella Thomas | 68 | Wife | — | Alabama |
| 30 | Charles Brownridge | 54 | Head | Farmer | Alabama |
| 31 | Rosetta Brownridge | 56 | Wife | — | Alabama |
| 32 | Solomon Brownridge | 24 | Son | Helper | Alabama |
| 33 | Mattie Brownridge | 20 | Daughter | Helper | Alabama |
| 34 | William E. Brownridge | 5 | Grandson | — | Alabama |
| 35 | Rosa May Brownridge | 1 | Granddaughter | — | Alabama |
| 36 | Herman Brownridge | 5 | Grandson | — | Alabama |
| 37 | Rufus Pettie | 5 | Grandson | — | Alabama |
| 38 | Porter Gandy | 54 | Head | Farmer | Alabama |
| 39 | Leota Gandy | 47 | Wife | — | Alabama |
| 40 | L. C. Gandy | 20 | Son | — | Alabama |
Related Census Records
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)