JD
John Dempsey — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Erie, Pennsylvania
Our Model Tree links this John Dempsey across the 1910 and 1920 US Censuses in Erie, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1875), then head of a 6-person household.
Age 45
b. ~1875
Male
Son
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Erie, Pennsylvania |
| Surname | Dempsey |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Laborer |
| Industry | Iron Works |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Corry City |
| Est. Birth Year | ~1875 |
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 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Anna Dempsey | Daughter | — | 28 | ~1892 |
| Bridget Dempsey | Daughter | — | 34 | ~1886 |
| Margaret Dempsey | Head | — | 65 | ~1855 |
| Mary Dempsey | Daughter | — | 38 | ~1882 |
| Margaret Dempsey | Daughter | — | 36 | ~1884 |
| John Dempsey | Son | — | 45 | ~1875 |
Census Appearances
1910
Erie, Pennsylvania
Son, age 34
Erie, Pennsylvania · implied b. ~1876 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dempsey |
| Given Name | Johnnie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Molder |
| Industry | Molding Shop |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Erie, Pennsylvania
Son, age 45
Erie, Pennsylvania · implied b. ~1875 — 6 household members
| Surname | Dempsey |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Iron Works |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 John Dempsey across 2 US Census years (1910 and 1920) in Erie, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
John Dempsey
Son · 1920 · age 45 · b. ~1875 · Pennsylvania
★ You are viewing this record
Sibling
Margaret Dempsey
Sibling · 1920 · age 36
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bridget Dempsey
Sibling · 1920 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Dempsey
Sibling · 1920 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Dempsey
Sibling · 1920 · age 38
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 — Erie, Pennsylvania
Open full size
1920 US Federal Census — Erie, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1567unit:0111)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Carl E. Dean | 19 | Son | — | Pennsylvania |
| 2 | Henry S. Weatherbee | 64 | Father | Driller | New York |
| 3 | Frank R. Fortune | 53 | Head | Laborer | Pennsylvania |
| 4 | Naomi Fortune | 42 | Wife | — | Pennsylvania |
| 5 | Lola Fortune | 12 | Daughter | — | Pennsylvania |
| 6 | William E. Dow | 26 | Head | Upholsterer | Massachusetts |
| 7 | Winifred Dow | 25 | Wife | — | Pennsylvania |
| 8 | Ernestine Dow | 5 | Daughter | — | Pennsylvania |
| 9 | Ernest Dow | 3 | Son | — | Pennsylvania |
| 10 | Margaret Dempsey | 65 | Head | — | Ireland |
| 11 | John J. Dempsey THIS PERSON | 45 | Son | Laborer | Pennsylvania |
| 12 | Mary Dempsey | 38 | Daughter | Saleslady | Pennsylvania |
| 13 | Margaret Dempsey | 36 | Daughter | — | Pennsylvania |
| 14 | Bridget Dempsey | 34 | Daughter | Saleslady | Pennsylvania |
| 15 | Anna Dempsey | 28 | Daughter | — | Pennsylvania |
| 16 | Carl W. Goodwill | 24 | Head | Driver | Pennsylvania |
| 17 | Marcia Goodwill | 21 | Wife | — | Pennsylvania |
| 18 | Marie Goodwill | 4 | Daughter | — | Pennsylvania |
| 19 | Eugene Goodwill | 2 | Son | — | Pennsylvania |
| 20 | Gertrude Fansey | 29 | Head | — | Pennsylvania |
| 21 | Chauncey Fansey | 14 | Daughter | — | Pennsylvania |
| 22 | Russell Fansey | 7 | Son | — | Pennsylvania |
| 23 | John J. Hoofman | 38 | Lodger | Woodworker | Pennsylvania |
| 24 | Earnest Holmes | 35 | Lodger | Steelworker | England |
| 25 | Lena Dine | 44 | Head | Seamstress | Pennsylvania |
| 26 | Lloyd Fogle | 36 | Brother | Machinist | Pennsylvania |
| 27 | Myron Reynolds | 58 | Lodger | Laborer | Pennsylvania |
| 28 | Charles Mcmillen | 38 | Head | Machinist | England |
| 29 | Sarah Mcmillen | 36 | Wife | Seamstress | Maryland |
| 30 | Mildred Mcmillen | 12 | Daughter | — | Maryland |
| 31 | Mabel Mcmillen | 9 | Daughter | — | Maryland |
| 32 | Hobart Hall | 22 | Head | Linotype Operator | Pennsylvania |
| 33 | Ester Hall | 22 | Wife | — | Pennsylvania |
| 34 | Eleanor Hall | 2 | Daughter | — | Pennsylvania |
| 35 | Wayne W. Smiley | 39 | Head | Machinist | Pennsylvania |
| 36 | Lola Smiley | 32 | Wife | — | Pennsylvania |
| 37 | Josephine Smiley | 12 | Daughter | — | Ohio |
| 38 | Emma Goldfinch | 71 | Head | — | Pennsylvania |
| 39 | Arthur Goldfinch | 45 | Son | Salesman | Pennsylvania |
| 40 | James Darling | 37 | Head | Foreman | Pennsylvania |
| 41 | Catherine Darling | 36 | Wife | Bookkeeper | Pennsylvania |
| 42 | James Mungit | 49 | Head | Grader | Canada |
| 43 | Grace M. Mungit | 48 | Wife | — | New York |
| 44 | Lorna Mungit | 21 | Daughter | — | Pennsylvania |
| 45 | George Mungit | 17 | Son | — | Pennsylvania |
| 46 | James Jr. Mungit | 11 | Son | — | Pennsylvania |
| 47 | Victor E. Orr | 23 | Head | Ticket Clerk | Sweden |
| 48 | Alta L. Orr | 23 | Wife | — | Pennsylvania |
| 49 | Elliot A. Evans | 62 | Head | Sander | Pennsylvania |
| 50 | Nellie E. Evans | 52 | Wife | — | Pennsylvania |
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)