WD
William Dempsey — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Ramsey, Minnesota
Our Model Tree links this William Dempsey across the 1910 and 1920 US Censuses in Ramsey, Minnesota (XGBoost, ~Confirmed) — first a son (b.~1899), then head of a 5-person household.
Age 21
b. ~1899
Male
Son
Born: Minnesota
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Ramsey, Minnesota |
| Surname | Dempsey |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | New York |
| Mother's Birthplace | Minnesota |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | St Paul City |
| 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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Earl Dempsey | Son | — | 25 | ~1895 |
| Ethel Dempsey | Daughter | — | 23 | ~1897 |
| William Dempsey | Son | — | 21 | ~1899 |
| Elizabeth Dempsey | Head | — | 57 | ~1863 |
| Hazel Dempsey | Daughter | — | 18 | ~1902 |
Census Appearances
1910
Ramsey, Minnesota
Son, age 11
Ramsey, Minnesota · implied b. ~1899 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dempsey |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
Ramsey, Minnesota
Son, age 21
Ramsey, Minnesota · implied b. ~1899 — 5 household members
| Surname | Dempsey |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | New York |
| Mother's Birthplace | Minnesota |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 (1910 and 1920) in Ramsey, Minnesota, using XGBoost record linkage.
Show:
This person
Anchor record
William Dempsey
Son · 1920 · age 21 · b. ~1899 · Minnesota
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Sibling
Earl Dempsey
Sibling · 1920 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Dempsey
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Dempsey
Sibling · 1920 · age 23
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
1920 US Federal Census — Ramsey, Minnesota
Open full size
1920 US Federal Census — Ramsey, Minnesota
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu854unit:0990)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robt Spangenberg | 55 | Head | Steamfitter | Minnesota |
| 2 | Anna Spangenberg | 45 | Wife | None | Bohemia |
| 3 | Harold Spangenberg | 22 | Son | Butcher | Minnesota |
| 4 | Helen Spangenberg | 16 | Daughter | None | Minnesota |
| 5 | Agnes Breian | 18 | Daughter | Trimmings | Minnesota |
| 6 | A. H. Koalska | 23 | Head | Car Repairer | Minnesota |
| 7 | Augusta Koalska | 26 | Wife | None | Minnesota |
| 8 | A. J. Riley | 37 | Head | Driver | Minnesota |
| 9 | Anna Riley | 40 | Wife | None | Minnesota |
| 10 | Eleanor Riley | 2 | Daughter | None | Minnesota |
| 11 | Joseph Wiesenbaur | 62 | Head | None | Bavaria |
| 12 | Theresa Wiesenbaur | 52 | Wife | None | Bavaria |
| 13 | H. M. Peterson | 27 | Head | Bookkeeper | Minnesota |
| 14 | Ethel Peterson | 21 | Sister | Typing Clerk | Minnesota |
| 15 | Lulu Peterson | 20 | Sister | Bookkeeper | Minnesota |
| 16 | Marshall Peterson | 17 | Brother | None | Minnesota |
| 17 | Elizabeth Dempsey | 57 | Head | None | Minnesota |
| 18 | Earl Dempsey | 25 | Son | Advertising | Minnesota |
| 19 | Ethel Dempsey | 23 | Daughter | Stenographer | Minnesota |
| 20 | William Dempsey THIS PERSON | 21 | Son | None | Minnesota |
| 21 | Hazel Dempsey | 18 | Daughter | None | Minnesota |
| 22 | Mary Lehautman | 46 | Head | Worker | Wisconsin |
| 23 | Edna Lehautman | 22 | Daughter | Bookkeeper | Minnesota |
| 24 | Henry Lehautman | 21 | Son | Chauffeur | Minnesota |
| 25 | Lucille Lehautman | 18 | Daughter | Bookkeeper | Minnesota |
| 26 | Richard Koberg | 25 | Head | Mechanician | Minnesota |
| 27 | Anna Koberg | 19 | Wife | None | Minnesota |
| 28 | Arlene Koberg | 1 | Daughter | None | Minnesota |
| 29 | Albert Ullman | 26 | Head | Candy Maker | Minnesota |
| 30 | Alice Ullman | 26 | Wife | None | Minnesota |
| 31 | Goldie Ullman | 5 | Daughter | None | North Dakota |
| 32 | Albert J. Ullman | 3 | Son | None | Minnesota |
| 33 | E. J. Isaacson | 35 | Head | Carpenter | Sweden |
| 34 | Eda Isaacson | 25 | Wife | None | Sweden |
| 35 | Mrs. Belle Mckay | 55 | Head | None | Minnesota |
| 36 | J. W. Utley | 54 | Head | Barber | South Carolina |
| 37 | Medora Utley | 60 | Wife | None | North Carolina |
| 38 | Matthew Yeager | 40 | Lodger | Waiter | Kentucky |
| 39 | Bernetta Robinson | 34 | Head | Postal Clerk | Washington D.C. |
| 40 | Sadie Robinson | 33 | Wife | None | North Carolina |
| 41 | Bernetta Robinson | 1 | Son | None | Illinois |
| 42 | N. Amundson | 42 | Head | Clerk | Norway |
| 43 | Sophie Amundson | 42 | Wife | None | Norway |
| 44 | Solveig Amundson | 6 | Daughter | None | Minnesota |
| 45 | Donald Amundson | 6 | Son | None | Minnesota |
| 46 | A. J. Walsh | 36 | Head | Freight Handler | Minnesota |
| 47 | Anna Walsh | 39 | Wife | None | England |
| 48 | Austin O. Tower | 53 | Head | Bookkeeper | Norway |
| 49 | M. H. Ravits | 38 | Head | Credit Man | Russia |
| 50 | Fern Ravits | 30 | Wife | None | Minnesota |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)