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Martha Gray — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ohio-County, Kentucky
Our Model Tree links this Martha Gray across the 1930 and 1940 US Censuses in Ohio-County, Kentucky (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 5-person household.
Age 15
b. ~1925
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ohio-County, Kentucky |
| Surname | Gray |
| Given Name | Martha A |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Ohio |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Bartlett Dist 3 |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Eva Gray | Daughter | — | 17 | ~1923 |
| William Gray | Head | — | 43 | ~1897 |
| Flossie Gray | Spouse | — | 33 | ~1907 |
| Martha Gray | Daughter | — | 15 | ~1925 |
| Hugh Gray | Son | — | 10 | ~1930 |
Census Appearances
1930
Ohio, Kentucky
Daughter, age 4
Ohio, Kentucky · implied b. ~1926 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Martha A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Ohio-County, Kentucky
Daughter, age 15
Ohio-County, Kentucky · implied b. ~1925 — 5 household members
| Surname | Gray |
| Given Name | Martha A |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Ohio |
| Highest Grade | No 7 |
| 1935 Residence | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 15 · b. ~1925 · Kentucky
★ You are viewing this record
Sibling
Hugh Gray
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eva Gray
Sibling · 1940 · age 17
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 — Ohio-County, Kentucky
Open full size
1940 US Federal Census — Ohio-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01346-00459)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Annie Davis | 50 | wife | — | Kentucky |
| 2 | James O Sharp | 24 | head | Farmer | Kentucky |
| 3 | Estelle Sharp | 26 | wife | — | Kentucky |
| 4 | Delois Sharp | 4 | daughter | — | Kentucky |
| 5 | Barbara Sharp | 1 | daughter | — | Kentucky |
| 6 | Richard Pointer | 67 | lodger | None | Kentucky |
| 7 | William H Gray | 43 | head | Farmer | Kentucky |
| 8 | Flossie M Gray | 33 | wife | — | Kentucky |
| 9 | Eva Jean Gray | 17 | daughter | — | Kentucky |
| 10 | Martha A Gray THIS PERSON | 15 | daughter | — | Kentucky |
| 11 | Hugh H Gray | 10 | son | — | Kentucky |
| 12 | Claude Ambrose | 38 | head | Farmer | Kentucky |
| 13 | Georgia Ambrose | 29 | wife | — | Kentucky |
| 14 | Hazel F Ambrose | 13 | daughter | — | Kentucky |
| 15 | Rondal L Ambrose | 11 | son | — | Kentucky |
| 16 | Bobby Jean Ambrose | 8 | daughter | — | Kentucky |
| 17 | Philip C Ambrose | 2 | son | — | Kentucky |
| 18 | Zerrell Pryor | 28 | lodger | Farm Laborer | Kentucky |
| 19 | Edd Daniel | 68 | head | Farmer | Kentucky |
| 20 | Eva Daniel | 64 | wife | — | Kentucky |
| 21 | Frank Daniel | 42 | son | Pumper | Kentucky |
| 22 | Earl Lewis Dragoo | 24 | head | Laborer | Indiana |
| 23 | Adeline Dragoo | 23 | wife | — | Kentucky |
| 24 | Joe B Dragoo | 1 | son | — | Kentucky |
| 25 | Ves Taylor | 73 | head | Farmer | Kentucky |
| 26 | Delila E Taylor | 69 | wife | — | Kentucky |
| 27 | Ozna Martin | 35 | head | Farmer | Kentucky |
| 28 | Mary Anna Martin | 15 | daughter | — | Kentucky |
| 29 | Bernadine Martin | 12 | daughter | — | Kentucky |
| 30 | Frances R Martin | 10 | daughter | — | Kentucky |
| 31 | Martha R Martin | 7 | daughter | — | Kentucky |
| 32 | Dorothy L Martin | 4 | daughter | — | Kentucky |
| 33 | Matilda J Taylor | 79 | aunt | — | Kentucky |
| 34 | Delbert Whitehouse | 25 | head | Laborer Wpa | Kentucky |
| 35 | Louise Whitehouse | 17 | wife | — | Kentucky |
| 36 | George T Luellen | 24 | head | Farm Laborer | Kentucky |
| 37 | Mary M Luellen | 18 | wife | — | Kentucky |
| 38 | Ethelrene Luellen | 1 | daughter | — | Kentucky |
| 39 | Mary E Martin | 53 | head | — | Kentucky |
| 40 | Alvah G Martin | 26 | son | Farm Laborer | Kentucky |
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)