MG
Martha Gray — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Floyd, Kentucky
Our Model Tree links this Martha Gray across the 1920 and 1930 US Censuses in Floyd, Kentucky (XGBoost, ~Confirmed) — first a daughter (b.~1913), then head of a 7-person household.
Age 17
b. ~1913
Female
Daughter
Born: Kentucky
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Floyd, Kentucky |
| Surname | Gray |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Bull Creek Precinct |
| Est. Birth Year | ~1913 |
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 1930 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Gray | Daughter | — | 21 | ~1909 |
| John Gray | Son | — | 15 | ~1915 |
| George Gray | Son | — | 27 | ~1903 |
| Jack Gray | Head | — | 67 | ~1863 |
| Nancy Gray | Spouse | — | 58 | ~1872 |
| Martha Gray | Daughter | — | 17 | ~1913 |
| Beatrice Gray | Daughter | — | 23 | ~1907 |
Census Appearances
1920
Floyd, Kentucky
Daughter, age 7
Floyd, Kentucky · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Floyd, Kentucky
Daughter, age 17
Floyd, Kentucky · implied b. ~1913 — 7 household members
| Surname | Gray |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| 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 (1920 and 1930) in Floyd, Kentucky, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Gray
Daughter · 1930 · age 17 · b. ~1913 · Kentucky
★ You are viewing this record
Sibling
Beatrice Gray
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Gray
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Gray
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Gray
Sibling · 1930 · age 27
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
1930 US Federal Census — Floyd, Kentucky
Open full size
1930 US Federal Census — Floyd, Kentucky
Page Contents
50 people indexed on this census page (ia:1930:kentuckycensus00reel744:0980)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Sizemore | 57 | Head | Farmer | Kentucky |
| 2 | Hettie Sizemore | 44 | Wife | — | Kentucky |
| 3 | Montie Sizemore | 21 | Daughter | — | Kentucky |
| 4 | Iona B Sizemore | 19 | Daughter | — | Kentucky |
| 5 | Rufus Sizemore | 17 | Son | — | Kentucky |
| 6 | John Sizemore | 14 | Son | — | Kentucky |
| 7 | Rachel Sizemore | 11 | Daughter | — | Kentucky |
| 8 | Stella M Sizemore | 7 | Daughter | — | Kentucky |
| 9 | Dolly M Sizemore | 4 | Daughter | — | Kentucky |
| 10 | John Sizemore | 2 | Son | — | Kentucky |
| 11 | Benny Lafferty | 25 | Head | Teacher | Kentucky |
| 12 | Lula Lafferty | 24 | Wife | — | Kentucky |
| 13 | Jimmy G Lafferty | 1 | Son | — | Kentucky |
| 14 | Theodore Lafferty | 0 | Son | — | Kentucky |
| 15 | Harry S Lafferty | 35 | Head | Teacher | Kentucky |
| 16 | Alice Lafferty | 30 | Wife | — | Kentucky |
| 17 | Harry Lafferty | 14 | Son | — | Kentucky |
| 18 | Louise Lafferty | 12 | Daughter | — | Kentucky |
| 19 | Raymond Lafferty | 10 | Son | — | Kentucky |
| 20 | Clark Lafferty | 22 | Head | Farmer | Kentucky |
| 21 | Dora Lafferty | 19 | Wife | — | Kentucky |
| 22 | Irene Lafferty | 0 | Daughter | — | Kentucky |
| 23 | James Gray | 43 | Head | Farmer | Kentucky |
| 24 | Roscoe Gray | 16 | Son | Farmer | Kentucky |
| 25 | Almer Gray | 6 | Son | — | Kentucky |
| 26 | Arthur Gray | 24 | Head | Laborer | Kentucky |
| 27 | Jennie Gray | 18 | Wife | — | Kentucky |
| 28 | George Gray | 0 | Son | — | Kentucky |
| 29 | John Lafferty | 44 | Head | Farmer | Kentucky |
| 30 | Mary Lafferty | 39 | Wife | — | Kentucky |
| 31 | Maggie Lafferty | 17 | Daughter | — | Kentucky |
| 32 | Annie Lafferty | 9 | Daughter | — | Kentucky |
| 33 | Bernice Lafferty | 8 | Daughter | — | Kentucky |
| 34 | Alice Lafferty | 5 | Daughter | — | Kentucky |
| 35 | Jack Gray | 67 | Head | Farmer | Kentucky |
| 36 | Nancy Gray | 58 | Wife | — | Kentucky |
| 37 | George Gray | 27 | Son | Farmer | Kentucky |
| 38 | Beatrice Gray | 23 | Daughter | — | Kentucky |
| 39 | Elizabeth Gray | 21 | Daughter | — | Kentucky |
| 40 | Martha Gray THIS PERSON | 17 | Daughter | — | Kentucky |
| 41 | John Gray | 15 | Son | — | Kentucky |
| 42 | J P Lafferty | 37 | Head | Farmer | Kentucky |
| 43 | Bertha Lafferty | 33 | Wife | — | Kentucky |
| 44 | Ray Lafferty | 9 | Son | — | Kentucky |
| 45 | Oakley Lafferty | 8 | Son | — | Kentucky |
| 46 | Rachel Lafferty | 6 | Daughter | — | Kentucky |
| 47 | Leonard Lafferty | 4 | Son | — | Kentucky |
| 48 | Eunice Lafferty | 1 | Daughter | — | Kentucky |
| 49 | W Moore Lafferty | 43 | Head | Farmer | Kentucky |
| 50 | Angie Lafferty | 41 | Wife | — | Kentucky |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)