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William Dempsey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this William Dempsey across the 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 6-person household.
Age 11
b. ~1929
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Dempsey |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Detroit City |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Amanda Dempsey | Spouse | — | 43 | ~1897 |
| Arthur Dempsey | Son | — | 14 | ~1926 |
| Robert Dempsey | Son | — | 21 | ~1919 |
| Arthur Dempsey | Head | — | 43 | ~1897 |
| Dorothea Dempsey | Daughter | — | 23 | ~1917 |
| William Dempsey | Son | — | 11 | ~1929 |
Census Appearances
1930
Wayne, Michigan
Son, age
Wayne, Michigan · implied b. ~1930 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dempsey |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Son, age 11
Wayne-County, Michigan · implied b. ~1929 — 6 household members
| Surname | Dempsey |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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.
Show:
This person
Anchor record
William Dempsey
Son · 1940 · age 11 · b. ~1929 · Michigan
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Sibling
Arthur Dempsey
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothea Dempsey
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Dempsey
Sibling · 1940 · age 21
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 — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01874-00356)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Maurice Harmon | 57 | Head | Shipper | Michigan |
| 2 | Mary D. Harmon | 55 | Wife | — | Michigan |
| 3 | Ralph Toy | 45 | Head | Chain Of Sales | Indiana |
| 4 | Mary D. Toy | 45 | Wife | — | Indiana |
| 5 | Arthur L. Dempsey | 43 | Head | Frame And Grain & Finisher | Michigan |
| 6 | Amanda B. Dempsey | 43 | Wife | — | Michigan |
| 7 | Dorothea Dempsey | 23 | Daughter | Bookkeeper | Michigan |
| 8 | Robert Dempsey | 21 | Son | Stock Room Clerk | Michigan |
| 9 | Arthur Jr. Dempsey | 14 | Son | — | Michigan |
| 10 | William Dempsey THIS PERSON | 11 | Son | — | Michigan |
| 11 | Albert G. Mason | 64 | Head | Machinist | Michigan |
| 12 | Lillie Mason | 64 | Wife | — | Michigan |
| 13 | George Burdens | 36 | Son-in-law | Post Lumber | Michigan |
| 14 | Richard H. Cantin | 30 | Head | Reporter | Michigan |
| 15 | Lucille M. Cantin | 22 | Wife | — | Michigan |
| 16 | Thomas R. Cantin | 0 | Son | — | Michigan |
| 17 | Clarence Kenney | 34 | Head | Credit Clerk | Canada-French |
| 18 | Clarice Kenney | 30 | Wife | — | Canada-French |
| 19 | Mary Jane Kenney | 5 | Daughter | — | Canada-French |
| 20 | Stanley Van Sickle | 41 | Head | Chief Switchman | Canada-Eng |
| 21 | Nellie Van Sickle | 42 | Wife | — | Canada-Eng |
| 22 | Donald Van Sickle | 15 | Son | Paper Boy | Michigan |
| 23 | Albert Van Sickle | 10 | Son | — | Michigan |
| 24 | Robert A. Jones | 39 | Lodger | Body Trimmer | Tennessee |
| 25 | Anthony Vergney | 33 | Head | Bender | Italy |
| 26 | Ruby B. Vergney | 29 | Wife | Automatic Sander | West Virginia |
| 27 | Harry Phillips | 40 | Head | Assistant Chief Inspector | Alabama |
| 28 | Helen Phillips | 36 | Wife | — | Michigan |
| 29 | John V. Terry | 43 | Head | Foreman | Canada-Eng |
| 30 | Lelia B. Terry | 36 | Wife | — | Canada-Eng |
| 31 | John Terry | 5 | Son | — | Michigan |
| 32 | James Terry | 1 | Son | — | Michigan |
| 33 | Ralph Pruitt | 56 | Head | Engineer | Michigan |
| 34 | Florence Pruitt | 47 | Wife | — | Ohio |
| 35 | Joan K. Pruitt | 21 | Daughter | — | Michigan |
| 36 | Jessie D. Phillips | 52 | Lodger | Clerk | Michigan |
| 37 | Donald Kline | 32 | Head | Inspector | Pennsylvania |
| 38 | Agnes D. Kline | 28 | Wife | — | Pennsylvania |
| 39 | Doris C. Kline | 2 | Daughter | — | Michigan |
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)