MP
Mary Preston — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Johnson-County, Kentucky
Our Model Tree links this Mary Preston across the 1930 and 1940 US Censuses in Johnson-County, Kentucky (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 8-person household.
Age 13
b. ~1927
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Johnson-County, Kentucky |
| Surname | Preston |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magisterial Dist I |
| 1935 Residence (County) | Johnson |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Magisterial Dist I |
| Est. Birth Year | ~1927 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Preston | Daughter | — | 13 | ~1927 |
| Rose Preston | Spouse | — | 61 | ~1879 |
| Ines Preston | Daughter | — | 32 | ~1908 |
| Estel Preston | Daughter | — | 15 | ~1925 |
| Robert Preston | Son | — | 21 | ~1919 |
| Julia Preston | Other | — | 87 | ~1853 |
| James Preston | Son | — | 19 | ~1921 |
| Fred Preston | Head | — | 66 | ~1874 |
Census Appearances
1930
Martin, Kentucky
Daughter, age 3
Martin, Kentucky · implied b. ~1927 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Preston |
| Given Name | Mary H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | West Virginia |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Johnson-County, Kentucky
Daughter, age 13
Johnson-County, Kentucky · implied b. ~1927 — 8 household members
| Surname | Preston |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magisterial Dist I |
| 1935 Residence (County) | Johnson |
| Class of Worker | 0 |
| Highest Grade | Hs 1 |
| 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 Preston across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Preston
Daughter · 1940 · age 13 · b. ~1927 · Kentucky
★ You are viewing this record
Sibling
Estel Preston
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ines Preston
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Preston
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Preston
Sibling · 1940 · age 19
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 — Johnson-County, Kentucky
Open full size
1940 US Federal Census — Johnson-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01322-00537)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Loula G. Boyd | 10 | Granddaughter | — | Kentucky |
| 42 | Asbury Ward | 43 | Head | Miner | Kentucky |
| 43 | Mable D. Ward | 43 | Wife | — | Kentucky |
| 44 | Wilma G. Ward | 21 | Daughter | — | West Virginia |
| 45 | Ralph Ward | 17 | Son | — | Kentucky |
| 46 | Marie Ward | 15 | Daughter | — | Kentucky |
| 47 | Ino M. Ward | 13 | Daughter | — | Kentucky |
| 48 | Lydia Boyd | 87 | Grandmother | — | Kentucky |
| 49 | Winfield Holbrook | 30 | Head | Miner | Kentucky |
| 50 | Rubie Holbrook | 27 | Wife | — | Kentucky |
| 51 | Gladys Holbrook | 11 | Daughter | — | Kentucky |
| 52 | Anna M. Holbrook | 9 | Daughter | — | Kentucky |
| 53 | John L. Holbrook | 6 | Son | — | Kentucky |
| 54 | Jewel Holbrook | 3 | Daughter | — | Kentucky |
| 55 | Winfield Jr. Holbrook | 1 | Son | — | Kentucky |
| 56 | Lewis Keaton | 38 | Head | Miner | Kentucky |
| 57 | Beulah Keaton | 34 | Wife | — | Kentucky |
| 58 | Mary A. Keaton | 13 | Daughter | — | Kentucky |
| 59 | Myron Keaton | 11 | Son | — | Kentucky |
| 60 | Nancy Keaton | 56 | Head | Seamstress | Kentucky |
| 61 | Fred Preston | 66 | Head | — | Kentucky |
| 62 | Rose Preston | 61 | Wife | — | Virginia |
| 63 | Ines Preston | 32 | Daughter | — | Kentucky |
| 64 | Robert E. Preston | 21 | Son | Reafforestation | Kentucky |
| 65 | James W. Preston | 19 | Son | — | Kentucky |
| 66 | Estel Preston | 15 | Daughter | — | Kentucky |
| 67 | Mary E. Preston THIS PERSON | 13 | Daughter | — | Kentucky |
| 68 | Julia Preston | 87 | Mother | — | Kentucky |
| 69 | Clarence Davis | 40 | Head | Miner | Kentucky |
| 70 | Exer Davis | 39 | Wife | — | Kentucky |
| 71 | Marie Davis | 17 | Daughter | — | Kentucky |
| 72 | Robert Davis | 8 | Son | — | Kentucky |
| 73 | William Davis | 4 | Son | — | Kentucky |
| 74 | Paul Davis | 2 | Son | — | Kentucky |
| 75 | Fredia A. Davis | 1 | Daughter | — | Kentucky |
| 76 | R. W. Price | 46 | Cousin | Overseer | Kentucky |
| 77 | Warden P. Aupier | 32 | Head | Brakeman | Kentucky |
| 78 | Mildred Aupier | 30 | Wife | — | Kentucky |
| 79 | Warren D. Aupier | 65 | Head | Superintendent | Kentucky |
| 80 | Cynthia Aupier | 70 | Wife | — | 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)