MV
Mary Vaughan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Mary Vaughan across the 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed) — first a daughter (b.~1916), then head of a 7-person household.
Age 24
b. ~1916
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Vaughan |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Third Magisterial District |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Industry | No |
| Class of Worker | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Third Magisterial District |
| Est. Birth Year | ~1916 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Charles Vaughan | Son | — | 27 | ~1913 |
| Frances Vaughan | Daughter | — | 14 | ~1926 |
| Mary Vaughan | Daughter | — | 24 | ~1916 |
| William Vaughan | Son | — | 34 | ~1906 |
| W Vaughan | Head | — | 63 | ~1877 |
| Christine Miller | Daughter | — | 24 | ~1916 |
| Cora Vaughan | Spouse | — | 57 | ~1883 |
Census Appearances
1930
Jefferson, Kentucky
Daughter, age 13
Jefferson, Kentucky · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Vaughan |
| Given Name | Mattie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Daughter, age 24
Jefferson-County, Kentucky · implied b. ~1916 — 7 household members
| Surname | Vaughan |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Third Magisterial District |
| 1935 Residence (County) | Jefferson |
| Industry | No |
| Class of Worker | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 24 · b. ~1916 · Kentucky
★ You are viewing this record
Sibling
Christine Miller
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Vaughan
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Vaughan
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Vaughan
Sibling · 1940 · age 34
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 — Jefferson-County, Kentucky
Open full size
1940 US Federal Census — Jefferson-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01321-00664)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ida Tavetrich | 48 | Daughter | — | Kentucky |
| 42 | Amethus Tavetrich | 34 | Son | Gardener | Kentucky |
| 43 | Henry Hennessey | 52 | Head | Farmer | Kentucky |
| 44 | Albert Hennessey | 50 | Brother | Farmer | Kentucky |
| 45 | Raymond Hennessey | 47 | Brother | Farmer | Kentucky |
| 46 | Annie Hennessey | 52 | Sister | Superintendent | Kentucky |
| 47 | Richard Ruehl | 34 | Head | Truck Driver | Kentucky |
| 48 | Mary Lou Ruehl | 38 | Wife | — | Tennessee |
| 49 | Howard Ruehl | 9 | Son | — | Kentucky |
| 50 | Helen Webb | 19 | Daughter | Truck Driver | Tennessee |
| 51 | Jefferson Webb | 17 | Step Son | — | Tennessee |
| 52 | Charles Ruehl | 63 | Father | — | Kentucky |
| 53 | Regina Ruehl | 54 | Mother | — | Kentucky |
| 54 | Herbert Hammer | 35 | Head | Freight Checker | Kentucky |
| 55 | Elizabeth Hammer | 41 | Wife | — | Kentucky |
| 56 | Norman Hammer | 2 | Son | — | Kentucky |
| 57 | August Prissey | 41 | Head | Proprietor | Kentucky |
| 58 | Idalie Prissey | 36 | Wife | — | Kentucky |
| 59 | Catherine Prissey | 16 | Daughter | — | Kentucky |
| 60 | Carl Prissey | 15 | Son | — | Kentucky |
| 61 | Rose Prissey | 13 | Daughter | — | Kentucky |
| 62 | August Jr Prissey | 8 | Son | — | Kentucky |
| 63 | Peter Prissey | 6 | Daughter | — | Kentucky |
| 64 | Alice Prissey | 3 | Daughter | — | Kentucky |
| 65 | Casper Prissey | 66 | Head | — | Kentucky |
| 66 | W. T. Vaughan | 63 | Head | Operator | Kentucky |
| 67 | Cora Vaughan | 57 | Wife | — | Kentucky |
| 68 | William Vaughan | 34 | Son | Farmer | Kentucky |
| 69 | Charles Vaughan | 27 | Son | Manager | Kentucky |
| 70 | Mary C. Vaughan THIS PERSON | 24 | Daughter | — | Kentucky |
| 71 | Frances Vaughan | 14 | Daughter | — | Kentucky |
| 72 | Christine Miller | 24 | Daughter | — | Kentucky |
| 73 | Charles Wilhelm | 48 | Head | Laborer | Kentucky |
| 74 | Ruby Wilhelm | 36 | Wife | Grocer | Kentucky |
| 75 | Lewis Wilhelm | 16 | Son | — | Kentucky |
| 76 | Reese Wilhelm | 15 | Son | — | Kentucky |
| 77 | Ryan Moyer | 27 | Brother | — | Kentucky |
| 78 | Matthew King | 53 | Head | Laborer | Kentucky |
| 79 | Cora King | 51 | Wife | Operator | Kentucky |
| 80 | Anthony King | 55 | Head | Laborer | Kentucky |
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)