MV
Mary Vaughan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lawrence-County, Kentucky
Our Model Tree links this Mary Vaughan across the 1930 and 1940 US Censuses in Lawrence-County, Kentucky (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 9-person household.
Age 18
b. ~1922
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lawrence-County, Kentucky |
| Surname | Vaughan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag. Dist. #8 |
| 1935 Residence (County) | Lawrence |
| Additional Details | |
| Industry | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same house |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Mag Dist 8 |
| Est. Birth Year | ~1922 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Maxine Vaughan | Daughter | — | 12 | ~1928 |
| Jennie Vaughan | Daughter | — | 15 | ~1925 |
| Carter Vaughan | Daughter | — | 7 | ~1933 |
| Laura Vaughan | Spouse | — | 45 | ~1895 |
| Mary Vaughan | Daughter | — | 18 | ~1922 |
| Wayne Vaughan | Son | — | 11 | ~1929 |
| Johnnie Vaughan | Son | — | 2 | ~1938 |
| June Vaughan | Daughter | — | 10 | ~1930 |
| John Vaughan | Head | — | 45 | ~1895 |
Census Appearances
1930
Lawrence, Kentucky
Daughter, age 8
Lawrence, Kentucky · implied b. ~1922 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Vaughan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| 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 |
1940
Lawrence-County, Kentucky
Daughter, age 18
Lawrence-County, Kentucky · implied b. ~1922 — 9 household members
| Surname | Vaughan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag. Dist. #8 |
| 1935 Residence (County) | Lawrence |
| Industry | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same house |
| 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 Mary Vaughan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Vaughan
Daughter · 1940 · age 18 · b. ~1922 · Kentucky
★ You are viewing this record
Sibling
Jennie Vaughan
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carter Vaughan
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Johnnie Vaughan
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wayne Vaughan
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maxine Vaughan
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
June Vaughan
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 — Lawrence-County, Kentucky
Open full size
1940 US Federal Census — Lawrence-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01328-00437)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Beele O. Thompson | 69 | Head | — | Kentucky |
| 2 | Ethelind Caldwell | 26 | Daughter | — | Kentucky |
| 3 | Charles Caldwell | 25 | Grandson | Mechanic | Kentucky |
| 4 | Harlan Booth | 40 | Head | Salesman | Kentucky |
| 5 | Vada O. Booth | 29 | Wife | — | Kentucky |
| 6 | Claver T. Booth | 13 | Son | — | Kentucky |
| 7 | Mankling Hardin | 63 | Head | Farmer | W. Va. |
| 8 | Cora B. Hardin | 64 | Wife | — | W. Va. |
| 9 | W. J. Vaughan | 69 | Head | — | W. Va. |
| 10 | Nannie L. Vaughan | 34 | Daughter | Music Teacher | Kentucky |
| 11 | Elza Vaughan | 32 | Daughter | Teacher | Kentucky |
| 12 | Georgia R. Vaughan | 21 | Daughter | Music Teacher | Kentucky |
| 13 | John H. Vaughan | 45 | Head | Farmer | Kentucky |
| 14 | Laura Vaughan | 45 | Wife | — | Kentucky |
| 15 | Mary Vaughan THIS PERSON | 18 | Daughter | — | Kentucky |
| 16 | Jennie Vaughan | 15 | Daughter | — | Kentucky |
| 17 | Maxine Vaughan | 12 | Daughter | — | Kentucky |
| 18 | Wayne Vaughan | 11 | Son | — | Kentucky |
| 19 | June Vaughan | 10 | Daughter | — | Kentucky |
| 20 | Carter Vaughan | 7 | Daughter | — | Kentucky |
| 21 | Johnnie Vaughan | 2 | Son | — | Kentucky |
| 22 | Richard Adams | 47 | Head | — | Kentucky |
| 23 | Ossie Adams | 37 | Wife | — | Kentucky |
| 24 | Robert Adams | 16 | Son | Farm Labor | Kentucky |
| 25 | Ethelene Adams | 14 | Daughter | — | Kentucky |
| 26 | Raymond Ayers | 29 | Head | Tractor Driving | Kentucky |
| 27 | Bell Ayers | 30 | Wife | — | W. Va. |
| 28 | Sara V. Ayers | 4 | Daughter | — | Kentucky |
| 29 | Betty Jane Ayers | 2 | Daughter | — | Kentucky |
| 30 | Violet D. Ayers | 0 | Daughter | — | Kentucky |
| 31 | Tony Dingus | 45 | Head | — | Kentucky |
| 32 | Melda Dingus | 26 | Wife | — | Kentucky |
| 33 | Jimmie Dingus | 8 | Son | — | Kentucky |
| 34 | Kenneth Dingus | 7 | Son | — | Kentucky |
| 35 | Maxine Dingus | 5 | Daughter | — | W. Va. |
| 36 | Nolda Parker | 43 | Head | — | Kentucky |
| 37 | Thomas Parker | 21 | Son | Laborer | Kentucky |
| 38 | Woodrow Parker | 14 | Son | — | Kentucky |
| 39 | Martha Parker | 11 | Daughter | — | Kentucky |
| 40 | Betty Parker | 7 | Daughter | — | 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)