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William Dempsey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Union-County, Kentucky
Our Model Tree links this William Dempsey across the 1930 and 1940 US Censuses in Union-County, Kentucky (XGBoost, ~Confirmed) — first a head (b.~1882), then head of a 5-person household.
Age 58
b. ~1882
Male
Head
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, Kentucky |
| Surname | Dempsey |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Some house |
| 1935 Residence (County) | Union |
| Additional Details | |
| Occupation | miner |
| Industry | Coal mine |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 20 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Miner |
| Township / Ward | De Koven Town |
| Est. Birth Year | ~1882 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Ames Dempsey | Son | — | 16 | ~1924 |
| William Dempsey | Head | — | 58 | ~1882 |
| Vinta Dempsey | Spouse | — | 54 | ~1886 |
| Willis Dempsey | Son | — | 13 | ~1927 |
| Emmett Dempsey | Son | — | 25 | ~1915 |
Census Appearances
1930
Union, Kentucky
Head, age 48
Union, Kentucky · implied b. ~1882 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dempsey |
| Given Name | William H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 26 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Miner |
| Industry | Coal Mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 6 |
| Veteran | No |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Union-County, Kentucky
Head, age 58
Union-County, Kentucky · implied b. ~1882 — 5 household members
| Surname | Dempsey |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Some house |
| 1935 Residence (County) | Union |
| Occupation | miner |
| Industry | Coal mine |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 20 |
| Highest Grade | No 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 William Dempsey across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Dempsey
Head · 1940 · age 58 · b. ~1882 · Kentucky
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Union-County, Kentucky
Open full size
1940 US Federal Census — Union-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01359-00415)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Minnie Ballard | 54 | Wife | — | Kentucky |
| 42 | Vernon Ballard | 18 | Son | New Worker | Kentucky |
| 43 | Emeal Ballard | 15 | Son | — | Kentucky |
| 44 | Percy Ames | 50 | Head | Miner | Kentucky |
| 45 | Martha Ames | 47 | Wife | — | Illinois |
| 46 | Stanley Ames | 28 | Son | Labour | Illinois |
| 47 | Kay Ames | 17 | Son | New Worker | Kentucky |
| 48 | Carrol Ames | 17 | Son | New Worker | Kentucky |
| 49 | Wanda Ames | 14 | Daughter | — | Kentucky |
| 50 | Emma Ames | 15 | Daughter | — | Kentucky |
| 51 | Oakes Ames | 12 | Son | — | Kentucky |
| 52 | Virginia Ames | 10 | Daughter | — | Kentucky |
| 53 | Jane Ames | 8 | Daughter | — | Kentucky |
| 54 | Percy Jr Ames | 6 | Son | — | Kentucky |
| 55 | Velda Ames | 3 | Daughter | — | Kentucky |
| 56 | William Syers | 70 | Head | — | Kentucky |
| 57 | Emma Syers | 74 | Wife | — | Illinois |
| 58 | John Syers | 40 | Son | Carpenter | Kentucky |
| 59 | John Jr Syers | 17 | Grandson | — | Kentucky |
| 60 | Melba Syers | 15 | Granddaughter | — | Kentucky |
| 61 | William Syers | 14 | Grandson | — | Kentucky |
| 62 | William Dempsey THIS PERSON | 58 | Head | Miner | Kentucky |
| 63 | Vinta Dempsey | 54 | Wife | — | Kentucky |
| 64 | Emmett Dempsey | 25 | Son | Miner | Kentucky |
| 65 | Ames Dempsey | 16 | Son | — | Kentucky |
| 66 | Willis Dempsey | 13 | Son | — | Kentucky |
| 67 | Joseph Vancleave | 50 | Head | Farmer | Kentucky |
| 68 | Mary Vancleave | 49 | Wife | — | Kentucky |
| 69 | Winifred Syers | 37 | Head | Rail Way Clerk | Kentucky |
| 70 | Mary Syers | 34 | Wife | — | Kentucky |
| 71 | Jimmie Syers | 5 | Son | — | Kentucky |
| 72 | Haywood Oglesby | 31 | Head | Carpenter | Kentucky |
| 73 | Nellie Oglesby | 25 | Wife | — | Indiana |
| 74 | Morgan Oglesby | 74 | Head | — | Kentucky |
| 75 | Sarah Oglesby | 71 | Wife | — | Illinois |
| 76 | Lula Fleig | 51 | Head | — | Kentucky |
| 77 | Marshall Fleig | 15 | Son | — | Kentucky |
| 78 | Gordon Certain | 23 | Son | New Worker | Kentucky |
| 79 | Jess Lucas | 62 | Head | Labour | Kentucky |
| 80 | Annie Lucas | 78 | Head | — | 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)