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Martha Gray — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Knox-County, Tennessee
Our Model Tree links this Martha Gray across the 1930 and 1940 US Censuses in Knox-County, Tennessee (XGBoost, ~Confirmed) — first a spouse (b.~1886), then head of a 7-person household.
Age 54
b. ~1886
Female
Spouse
Born: Tennessee
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Tennessee |
| Surname | Gray |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | 5th district |
| 1935 Residence (County) | Knox |
| Additional Details | |
| Occupation | housekeeper |
| Industry | At home |
| Class of Worker | NP |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Housekeeper |
| Township / Ward | 5Th District |
| Est. Birth Year | ~1886 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Louisa Gray | Daughter | — | 15 | ~1925 |
| Millard Gray | Son | — | 19 | ~1921 |
| Olin Gray | Son | — | 21 | ~1919 |
| C Gray | Head | — | 59 | ~1881 |
| Charlie Gray | Son | — | 10 | ~1930 |
| Mary Gray | Daughter | — | 13 | ~1927 |
| Martha Gray | Spouse | — | 54 | ~1886 |
Census Appearances
1930
Knox, Tennessee
Spouse, age 44
Knox, Tennessee · implied b. ~1886 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Age at First Marriage | 17 |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Knox-County, Tennessee
Spouse, age 54
Knox-County, Tennessee · implied b. ~1886 — 7 household members
| Surname | Gray |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | 5th district |
| 1935 Residence (County) | Knox |
| Occupation | housekeeper |
| Industry | At home |
| Class of Worker | NP |
| 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 Martha Gray across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Gray
Spouse · 1940 · age 54 · b. ~1886 · Tennessee
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Knox-County, Tennessee
Open full size
1940 US Federal Census — Knox-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03909-00593)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Earl | 19 | Son | Filling Station Operator | Tennessee |
| 42 | Carlie Fay Earl | 14 | Daughter | — | Tennessee |
| 43 | Vestal Welch | 32 | Head | Mdse Salesman | Tennessee |
| 44 | Eva Lee Welch | 30 | Wife | Laborer | Tennessee |
| 45 | Claude Thompson | 26 | Brother | Laborer | Tennessee |
| 46 | Andy Brock | 65 | Head | Farm Laborer | Tennessee |
| 47 | Vandalee Brock | 72 | Sister | — | Tennessee |
| 48 | Gertie Caldwell | 38 | Niece | Housekeeper | Tennessee |
| 49 | — | None | — | — | — |
| 50 | Joe Gray | 32 | Head | Salesman | Tennessee |
| 51 | Clara Gray | 30 | Wife | Housekeeper | North Carolina |
| 52 | Dorthy Gray | 12 | daughter | — | Tennessee |
| 53 | Imogene Gray | 10 | daughter | — | Tennessee |
| 54 | Joann Gray | 7 | daughter | — | Tennessee |
| 55 | Robert Gray | 5 | son | — | Tennessee |
| 56 | Ernest Gideon | 23 | Head | Common Labor | Tennessee |
| 57 | Eva Gideon | 20 | Wife | — | Tennessee |
| 58 | C. W. Gray | 59 | Head | Farm Laborer | Tennessee |
| 59 | Martha Gray THIS PERSON | 54 | Wife | Housekeeper | Tennessee |
| 60 | Olin Gray | 21 | son | Farm Labor | Tennessee |
| 61 | Millard Gray | 19 | son | Farm Labor | Tennessee |
| 62 | Louisa Gray | 15 | daughter | — | Tennessee |
| 63 | Mary Gray | 13 | daughter | — | Tennessee |
| 64 | Charlie Gray | 10 | son | — | Tennessee |
| 65 | Walter Gray | 24 | Head | Common Labor | Tennessee |
| 66 | Stella Gray | 26 | Wife | — | Tennessee |
| 67 | Walter Gray | 7 | son | — | Tennessee |
| 68 | Barbara Jan Gray | 5 | daughter | — | Tennessee |
| 69 | Francis Gray | 2 | daughter | — | Tennessee |
| 70 | Loretta Gray | 0 | daughter | — | Tennessee |
| 71 | W. R. Lewis | 67 | Head | Farmer | Tennessee |
| 72 | Nenie Lewis | 63 | Wife | Housekeeper | Tennessee |
| 73 | Roy Lewis | 32 | son | Laborer | Tennessee |
| 74 | Clarence Lewis | 40 | Head | — | Tennessee |
| 75 | Lexie Lewis | 33 | Wife | — | Tennessee |
| 76 | Winifred Crumb | 36 | Wife | — | Tennessee |
| 77 | Carl E. Quignard | 29 | Head | Shaper | Tennessee |
| 78 | Jean Quignard | 23 | Wife | — | Tennessee |
| 79 | Norma Quignard | 3 | daughter | — | Tennessee |
| 80 | Donald Quignard | 0 | 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)