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Mary Dempsey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Fayette-County, West Virginia
Our Model Tree links this Mary Dempsey across the 1930 and 1940 US Censuses in Fayette-County, West Virginia (XGBoost, ~Confirmed) — first a spouse (b.~1899), then head of a 8-person household.
Age 41
b. ~1899
Female
Spouse
Born: West Virginia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Fayette-County, West Virginia |
| Surname | Dempsey |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | West Virginia |
| 1935 Residence (City) | Kay-moor |
| 1935 Residence (County) | Fayette |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same house |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
| Township / Ward | Kaymoor |
| Est. Birth Year | ~1899 |
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 |
|---|---|---|---|---|
| William Dempsey | Son | — | 12 | ~1928 |
| Bessie Dempsey | Son | — | 16 | ~1924 |
| Garland Dempsey | Son | — | 14 | ~1926 |
| Jack Dempsey | Son | — | 18 | ~1922 |
| Robert Dempsey | Son | — | 4 | ~1936 |
| Betty Dempsey | Daughter | — | 9 | ~1931 |
| Clyde Dempsey | Head | — | 38 | ~1902 |
| Mary Dempsey | Spouse | — | 41 | ~1899 |
Census Appearances
1930
Fayette, West …
Spouse, age 31
Fayette, West Virginia · implied b. ~1899 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dempsey |
| Given Name | Marietta |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | West Virginia |
| Age at First Marriage | 20 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1940
Fayette-County, West …
Spouse, age 41
Fayette-County, West Virginia · implied b. ~1899 — 8 household members
| Surname | Dempsey |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | West Virginia |
| 1935 Residence (City) | Kay-moor |
| 1935 Residence (County) | Fayette |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same house |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
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 Dempsey across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Dempsey
Spouse · 1940 · age 41 · b. ~1899 · West Virginia
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Fayette-County, West Virginia
Open full size
1940 US Federal Census — Fayette-County, West Virginia
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-04401-00654)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank Austen | 27 | Head | Coal Loader | West Virginia |
| 2 | Bernice Austen | 21 | Wife | — | West Virginia |
| 3 | Edward Austen | 3 | Son | — | West Virginia |
| 4 | James Austen | 2 | Son | — | West Virginia |
| 5 | Theresa Austen | 0 | Daughter | — | West Virginia |
| 6 | Clyde Dempsey | 38 | Head | Coal Loader | West Virginia |
| 7 | Mary E Dempsey THIS PERSON | 41 | Wife | — | West Virginia |
| 8 | Jack Dempsey | 18 | Son | Laborer | West Virginia |
| 9 | Bessie Dempsey | 16 | Son | Laborer | West Virginia |
| 10 | Garland Dempsey | 14 | Son | — | West Virginia |
| 11 | William M Dempsey | 12 | Son | — | West Virginia |
| 12 | Betty Jane Dempsey | 9 | Daughter | — | West Virginia |
| 13 | Robert Dempsey | 4 | Son | — | West Virginia |
| 14 | C C Cutright | 39 | Head | Laborer | West Virginia |
| 15 | Claudie Cutright | 42 | Wife | — | West Virginia |
| 16 | Charlie Cutright | 15 | Son | — | West Virginia |
| 17 | Jean Cutright | 13 | Daughter | — | West Virginia |
| 18 | Jack Cutright | 12 | Son | — | West Virginia |
| 19 | Geneva Cutright | 9 | Daughter | — | West Virginia |
| 20 | Patricia Cutright | 7 | Daughter | — | West Virginia |
| 21 | George Cutright | 5 | Son | — | West Virginia |
| 22 | Wallace Cutright | 2 | Son | — | West Virginia |
| 23 | A L Parker | 25 | Head | Track Layer | West Virginia |
| 24 | Josephine E Parker | 19 | Wife | — | West Virginia |
| 25 | Earl R Parker | 3 | Son | — | West Virginia |
| 26 | Harry Lee Parker | 0 | Son | — | West Virginia |
| 27 | John H Corum | 43 | Head | Coal Loader | North Carolina |
| 28 | Laura Corum | 33 | Wife | — | West Virginia |
| 29 | Raymond Corum | 12 | Son | — | West Virginia |
| 30 | Joe Kelly | 52 | Head | Coal Loader | North Carolina |
| 31 | Ella Kelly | 51 | Wife | — | West Virginia |
| 32 | Algie Kelly | 25 | Son | Coal Loader | West Virginia |
| 33 | Joe Jr Kelly | 16 | Son | Laborer | West Virginia |
| 34 | Virginia Kelly | 26 | Daughter-in-Law | — | West Virginia |
| 35 | Joe Ann Kelly | 6 | Granddaughter | — | West Virginia |
| 36 | Ernest Robinson | 28 | Head | Coal Loader | West Virginia |
| 37 | Bessie Robinson | 27 | Wife | — | West Virginia |
| 38 | Bessie J Robinson | 2 | Daughter | — | West Virginia |
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)