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William Dempsey — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this William Dempsey across the 1920 and 1930 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 9-person household.
Age 11
b. ~1919
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Dempsey |
| Given Name | William Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1919 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Dempsey | Head | — | 40 | ~1890 |
| William Dempsey | Son | — | 11 | ~1919 |
| Rose Dempsey | Other | — | 35 | ~1895 |
| Mary Dempsey | Daughter | — | 5 | ~1925 |
| Francis Dempsey | Son | — | 6 | ~1924 |
| Raymond Dempsey | Other | — | 36 | ~1894 |
| Joseph Dempsey | Son | — | 9 | ~1921 |
| Edward Dempsey | Son | — | 8 | ~1922 |
| John Dempsey | Son | — | 3 | ~1927 |
Census Appearances
1920
Philadelphia, Pennsylvania
Other, age 1
Philadelphia, Pennsylvania · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | DEMPSEY |
| Given Name | William Jr |
| Relationship to Head | grandson |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Son, age 11
Philadelphia, Pennsylvania · implied b. ~1919 — 9 household members
| Surname | Dempsey |
| Given Name | William Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | 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 William Dempsey across 2 US Census years (1920 and 1930) in Philadelphia, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
William Dempsey
Son · 1930 · age 11 · b. ~1919 · Pennsylvania
★ You are viewing this record
Sibling
Mary Dempsey
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Dempsey
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Dempsey
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Dempsey
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Dempsey
Sibling · 1930 · age 3
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
1930 US Federal Census — Philadelphia, Pennsylvania
Open full size
1930 US Federal Census — Philadelphia, Pennsylvania
Page Contents
48 people indexed on this census page (ia:1930:fifteenthcensus00reel2130rs:0614)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward A Toomey | 35 | Head | Fireman | New Jersey |
| 2 | Anna V Toomey | 35 | Wife-H | — | Pennsylvania |
| 3 | Edward J Jr Toomey | 8 | Son | — | Pennsylvania |
| 4 | Mary F Toomey | 6 | Daughter | — | Pennsylvania |
| 5 | Thomas Brady | 38 | Head | Operator | Pennsylvania |
| 6 | James Brady | 65 | Father | — | Northern Ireland |
| 7 | Marie Brady | 38 | Wife-H | — | Pennsylvania |
| 8 | Margaret Brady | 15 | Daughter | — | Pennsylvania |
| 9 | Dorothy Brady | 13 | Daughter | — | Pennsylvania |
| 10 | Edward Dougherty | 15 | Nephew | — | Pennsylvania |
| 11 | Anna Dougherty | 13 | Niece | — | Pennsylvania |
| 12 | John Hanley | 55 | Head | Machinist | Michigan |
| 13 | Catherine Hanley | 50 | Wife-H | — | Germany |
| 14 | Estelle Hanley | 22 | Daughter | Steno | New York |
| 15 | Beatrice Hanley | 16 | Daughter | File Clerk | Pennsylvania |
| 16 | Paul Hanley | 13 | Son | — | Pennsylvania |
| 17 | Catherine Loyadholty | 22 | Daughter | Waitress | New York |
| 18 | Ira H Tyson | 55 | Head | Hammer | New York |
| 19 | Anne Tyson | 52 | Wife-H | — | Pennsylvania |
| 20 | George Reynolds | 13 | Grandson | — | Pennsylvania |
| 21 | Abraham Simmons | 52 | Head | Bricklayer | Pennsylvania |
| 22 | Lottie Simmons | 51 | Wife-H | — | Pennsylvania |
| 23 | Wilford Simmons | 30 | Son | — | Pennsylvania |
| 24 | Albert Simmons | 27 | Son | Painter | Pennsylvania |
| 25 | Robert Simmons | 21 | Son | Painter | Pennsylvania |
| 26 | Dorothy Murphy | 18 | Boarder | Operator | Pennsylvania |
| 27 | Louis Putz | 46 | Head | Sheet Iron Worker | Germany |
| 28 | Rose Putz | 47 | Wife-H | — | Pennsylvania |
| 29 | Raymond Putz | 18 | Son | Operator | Pennsylvania |
| 32 | William Dempsey | 40 | Head | Carpenter | Pennsylvania |
| 33 | Rose Dempsey | 35 | Wife-H | — | Pennsylvania |
| 34 | William Jr Dempsey THIS PERSON | 11 | Son | — | Pennsylvania |
| 35 | Joseph Dempsey | 9 | Son | — | Pennsylvania |
| 36 | Edward Dempsey | 8 | Son | — | New Jersey |
| 37 | Francis Dempsey | 6 | Son | — | Pennsylvania |
| 38 | Mary Dempsey | 5 | Daughter | — | Pennsylvania |
| 39 | John Dempsey | 3 | Son | — | Pennsylvania |
| 40 | Raymond Dempsey | 36 | Brother | Crane Hand | Pennsylvania |
| 41 | Sylvester Thomas | 37 | Head | Fireman | Pennsylvania |
| 42 | Nellie Thomas | 19 | Wife-H | — | Maryland |
| 43 | William Thomas | 1 | Son | — | Pennsylvania |
| 44 | Frank B Conlin | 38 | Head | Inspector | Pennsylvania |
| 45 | Mary A Conlin | 32 | Wife-H | Cashier | Pennsylvania |
| 46 | Frank B Jr Conlin | 9 | Son | — | Pennsylvania |
| 47 | Joseph J Conlin | 8 | Son | — | Pennsylvania |
| 48 | Mary Conlin | 6 | Daughter | — | Pennsylvania |
| 49 | Dorothy Conlin | 4 | Daughter | — | Pennsylvania |
| 50 | Anna Houpt | 17 | Servant | Servant | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)