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Mary Bentley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Perry-County, Kentucky
Our Model Tree links this Mary Bentley across the 1930 and 1940 US Censuses in Perry-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 | Perry-County, Kentucky |
| Surname | Bentley |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magisterial Dist 5 |
| 1935 Residence (County) | Perry |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Magisterial Dist 5 |
| 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 |
|---|---|---|---|---|
| Rachel Bentley | Daughter | — | 15 | ~1925 |
| Mary Bentley | Daughter | — | 13 | ~1927 |
| Bill Bentley | Head | — | 36 | ~1904 |
| John Bentley | Son | — | 12 | ~1928 |
| Arco Bentley | Son | — | 14 | ~1926 |
| Birdie Bentley | Spouse | — | 32 | ~1908 |
| Clyde Bentley | Son | — | 5 | ~1935 |
| Lona Bentley | Son | — | 4 | ~1936 |
Census Appearances
1930
Letcher, Kentucky
Daughter, age 2
Letcher, Kentucky · implied b. ~1928 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bentley |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Perry-County, Kentucky
Daughter, age 13
Perry-County, Kentucky · implied b. ~1927 — 8 household members
| Surname | Bentley |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magisterial Dist 5 |
| 1935 Residence (County) | Perry |
| Class of Worker | 0 |
| Highest Grade | 6 |
| 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 Bentley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Bentley
Daughter · 1940 · age 13 · b. ~1927 · Kentucky
★ You are viewing this record
Sibling
Clyde Bentley
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arco Bentley
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rachel Bentley
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Bentley
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lona Bentley
Sibling · 1940 · age 4
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 — Perry-County, Kentucky
Open full size
1940 US Federal Census — Perry-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01349-00263)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Eula M Workman | 26 | Wife | Housewife | Kentucky |
| 42 | Wanda Workman | 5 | Daughter | — | Kentucky |
| 43 | James Willie Workman | 4 | Son | — | Kentucky |
| 44 | Mary Lou Workman | 2 | Daughter | — | Kentucky |
| 45 | Alson Adam | 26 | Head | Miner | Kentucky |
| 46 | Laura Adam | 26 | Wife | Housewife | Kentucky |
| 47 | Phyllis Ann Adam | 1 | Daughter | — | Kentucky |
| 48 | Marshall Creech | 42 | Head | Miner | Kentucky |
| 49 | Sarah Creech | 38 | Wife | Housewife | Kentucky |
| 50 | Paul Creech | 12 | Son | — | Kentucky |
| 51 | Shellie Thomas | 27 | Head | Miner | Kentucky |
| 52 | Elizabeth Thomas | 22 | Wife | Housewife | Kentucky |
| 53 | James A Thomas | 6 | Son | — | Kentucky |
| 54 | Herbert W Thomas | 4 | Son | 0 | Kentucky |
| 55 | Merian S Thomas | 2 | Son | 0 | Kentucky |
| 56 | Lilas Thomas | 0 | Son | 0 | Kentucky |
| 57 | Jimmie Alkins | 31 | Head | Miner | Kentucky |
| 58 | Olatz Alkins | 21 | Wife | Housewife | Kentucky |
| 59 | Velma Alkins | 4 | Daughter | 0 | Kentucky |
| 60 | Ernest Owens | 24 | Head | Book Keeping | Kentucky |
| 61 | Lena Owens | 25 | Wife | Housewife | Kentucky |
| 62 | Michael Owens | 1 | Son | 0 | Kentucky |
| 63 | Bill D Bentley | 36 | Head | Miner | Kentucky |
| 64 | Birdie Bentley | 32 | Wife | Housewife | Kentucky |
| 65 | Arco Bentley | 14 | Son | Miner | Kentucky |
| 66 | John Bentley | 12 | Son | Housework | Kentucky |
| 67 | Rachel Bentley | 15 | Daughter | Housework | Kentucky |
| 68 | Mary Bentley THIS PERSON | 13 | Daughter | — | Kentucky |
| 69 | Clyde Bentley | 5 | Son | 0 | Kentucky |
| 70 | Lona Bentley | 4 | Son | 0 | Kentucky |
| 71 | Bruce D Marcum | 46 | Head | Miner | Kentucky |
| 72 | Lena Marcum | 46 | Wife | Housewife | Kentucky |
| 73 | Rollie Marcum | 23 | Son | Miner | Kentucky |
| 74 | Dorothy Marcum | 20 | Daughter | Waitress | Kentucky |
| 75 | Mary L Marcum | 14 | Daughter | Housework | Kentucky |
| 76 | Walter Marcum | 10 | Son | — | Kentucky |
| 77 | Bernice Marcum | 8 | Daughter | 0 | Kentucky |
| 78 | John B Marcum | 6 | Son | 0 | Kentucky |
| 79 | Floyd Marcum | 8 | Son | 0 | Kentucky |
| 80 | Add Campbell | 32 | Head | Miner | 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)