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James Dempsey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mingo-County, West Virginia
Our Model Tree links this James Dempsey across the 1930 and 1940 US Censuses in Mingo-County, West Virginia (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 8-person household.
Age 11
b. ~1929
Male
Son
Born: West Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mingo-County, West Virginia |
| Surname | Dempsey |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | West Virginia |
| 1935 Residence (City) | Hardee District |
| 1935 Residence (County) | Mingo |
| Additional Details | |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
| Township / Ward | Hardee District |
| Est. Birth Year | ~1929 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Parley Dempsey | Daughter | — | 8 | ~1932 |
| Harmon Dempsey | Head | — | 32 | ~1908 |
| Tellie Dempsey | Spouse | — | 32 | ~1908 |
| Pally Dempsey | Daughter | — | 5 | ~1935 |
| Harmon Dempsey | Son | — | 6 | ~1934 |
| Cyrilda Dempsey | Daughter | — | 13 | ~1927 |
| James Dempsey | Son | — | 11 | ~1929 |
| Jean Dempsey | Son | — | 2 | ~1938 |
Census Appearances
1930
Mingo, West …
Son, age 1
Mingo, West Virginia · implied b. ~1929 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dempsey |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | West Virginia |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | Kentucky |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1940
Mingo-County, West …
Son, age 11
Mingo-County, West Virginia · implied b. ~1929 — 8 household members
| Surname | Dempsey |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | West Virginia |
| 1935 Residence (City) | Hardee District |
| 1935 Residence (County) | Mingo |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| 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 James Dempsey across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Dempsey
Son · 1940 · age 11 · b. ~1929 · West Virginia
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Sibling
Parley Dempsey
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pally Dempsey
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harmon Dempsey
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cyrilda Dempsey
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Dempsey
Sibling · 1940 · age 2
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 — Mingo-County, West Virginia
Open full size
1940 US Federal Census — Mingo-County, West Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04431-00069)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lucille Sammons | 14 | Daughter | — | West Virginia |
| 2 | Elisabeth Sammons | 12 | Daughter | — | West Virginia |
| 3 | Charlie Keaton | 5 | Step son | — | Kentucky |
| 4 | Fay Sammons | 2 | Daughter | — | West Virginia |
| 5 | Ray Maynard | 24 | Head | Miner | West Virginia |
| 6 | Alsha Maynard | 22 | Wife | — | West Virginia |
| 7 | Ken Maynard | 2 | Son | — | West Virginia |
| 8 | Jean Maynard | 1 | Son | — | West Virginia |
| 9 | George Rutherford | 21 | Head | Laborer | West Virginia |
| 10 | Leona Rutherford | 18 | Wife | — | Kentucky |
| 11 | Louise Rutherford | 2 | Daughter | — | Kentucky |
| 12 | Ben Shillings | 57 | Head | Laborer | Tennessee |
| 13 | Christine Shillings | 14 | Wife | — | Tennessee |
| 14 | Leonard Shillings | 2 | Son | — | Tennessee |
| 15 | Joyce Shillings | 2 | Daughter | — | West Virginia |
| 16 | Lewis Sizemore | 35 | Head | Laborer | West Virginia |
| 17 | Reela Sizemore | 32 | Wife | — | Virginia |
| 18 | Edith Sizemore | 12 | Daughter | — | West Virginia |
| 19 | Billy Sizemore | 10 | Son | — | West Virginia |
| 20 | George Blair | 63 | Head | Miner | West Virginia |
| 21 | Lina Blair | 54 | Wife | — | West Virginia |
| 22 | Mayberry, Everett Blair | 12 | Grandson | — | West Virginia |
| 23 | Parley Dempsey | 64 | Head | — | West Virginia |
| 24 | John Sammons | 34 | Son in Law | Laborer | West Virginia |
| 25 | Pearley Sammons | 9 | Daughter | — | West Virginia |
| 26 | Delphine Sammons | 5 | Granddaughter | — | West Virginia |
| 27 | Harmon Dempsey | 32 | Head | Miner | West Virginia |
| 28 | Tellie Dempsey | 32 | Wife | — | West Virginia |
| 29 | Cyrilda Dempsey | 13 | Daughter | — | West Virginia |
| 30 | James Dempsey THIS PERSON | 11 | Son | — | West Virginia |
| 31 | Parley Dempsey | 8 | Daughter | — | West Virginia |
| 32 | Harmon Jr. Dempsey | 6 | Son | — | West Virginia |
| 33 | Pally Dempsey | 5 | Daughter | — | West Virginia |
| 34 | Jean Dempsey | 2 | Son | — | West Virginia |
| 35 | Columbus White | 23 | Head | Laborer | West Virginia |
| 36 | Nannie White | 18 | Wife | — | West Virginia |
| 37 | Claude Silman | 29 | Head | Laborer | West Virginia |
| 38 | Geneva Silman | 18 | Wife | — | West Virginia |
| 39 | Sidney Silman | 3 | Son | — | West Virginia |
| 40 | Oscar Dempsey | 49 | Head | Laborer | 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)