MD
Mary Dempsey — 1910 US Census Record
Linked across censuses1910 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Mary Dempsey across the 1910 and 1920 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1898), then head of a 9-person household.
Age 12
b. ~1898
Female
Daughter
Born: Pennsylvania
Single
1910 Census Record Details
| Census Year | 1910 |
| Location | Philadelphia, Pennsylvania |
| Surname | Dempsey |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1898 |
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 1910 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Bernard Coyle | Other | — | 27 | ~1883 |
| Francis Dempsey | Son | — | 13 | ~1897 |
| Jessie Dempsey | Spouse | — | 40 | ~1870 |
| Francis Dempsey | Head | — | 37 | ~1873 |
| Mary Dempsey | Daughter | — | 12 | ~1898 |
| Patrick Dempsey | Other | — | 33 | ~1877 |
| Theresa Dempsey | Daughter | — | 9 | ~1901 |
| John Dempsey | Son | — | 2 | ~1908 |
| Lawrence Dempsey | Son | — | 5 | ~1905 |
Census Appearances
1910
Philadelphia, Pennsylvania
Daughter, age 12
Philadelphia, Pennsylvania · implied b. ~1898 — 9 household members
| Surname | Dempsey |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Philadelphia, Pennsylvania
Daughter, age 22
Philadelphia, Pennsylvania · implied b. ~1898 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dempsey |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| 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 Mary Dempsey across 2 US Census years (1910 and 1920) in Philadelphia, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Dempsey
Daughter · 1910 · age 12 · b. ~1898 · Pennsylvania
★ You are viewing this record
Sibling
Francis Dempsey
Sibling · 1910 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Dempsey
Sibling · 1910 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Dempsey
Sibling · 1910 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Dempsey
Sibling · 1910 · age 9
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
1910 US Federal Census — Philadelphia, Pennsylvania
Open full size
1910 US Federal Census — Philadelphia, Pennsylvania
Page Contents
51 people indexed on this census page (ia:1910:13thcensus1910po1407unit:0598)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Sexton | 56 | Head | Laborer | Ireland |
| 2 | Mary Sexton | 48 | Wife | — | Ireland |
| 3 | James Sexton | 5 | Son | — | Pennsylvania |
| 4 | Mary F. Sexton | 2 | Daughter | — | Pennsylvania |
| 5 | Joseph A. Owens | 24 | Head | Laborer | Pennsylvania |
| 6 | Mary E. Owens | 24 | Wife | — | Pennsylvania |
| 7 | Joseph A. Owens | 4 | Son | — | Pennsylvania |
| 8 | Francis Marion Owens | 1 | Son | — | Pennsylvania |
| 9 | Mary Owens | 61 | Mother-in-law | Laborer | Pennsylvania |
| 10 | Robert Houston | 34 | Head | — | Pennsylvania |
| 11 | Mary Houston | 27 | Wife | — | Pennsylvania |
| 12 | Nellie Houston | 9 | Daughter | — | Pennsylvania |
| 13 | Harry Houston | 6 | Son | — | Pennsylvania |
| 14 | Albert J. Houston | 2 | Son | — | Pennsylvania |
| 15 | Mary A. Houston | 0 | Daughter | — | Pennsylvania |
| 16 | Patrick Landy | 69 | Head | — | Ireland |
| 17 | Mary Landy | 29 | Daughter | Laundress | Ireland |
| 18 | Michael Landy | 27 | Son | Laborer | Ireland |
| 19 | Edward Mealey | 31 | Head | Laborer | Pennsylvania |
| 20 | Julia Mealey | 22 | Wife | — | Ireland |
| 21 | Edward Mealey | 6 | Son | — | Pennsylvania |
| 22 | George Mealey | 5 | Son | — | Pennsylvania |
| 23 | Annie Mealey | 1 | Daughter | — | Pennsylvania |
| 24 | Helen Mealey | 1 | Daughter | — | Pennsylvania |
| 25 | Robert Blackburn | 29 | Head | Driver | Pennsylvania |
| 26 | Catherine Blackburn | 37 | Wife | — | Pennsylvania |
| 27 | John Bliss | 60 | Boarder | — | Germany |
| 28 | Emma Bliss | 62 | Boarder | — | Pennsylvania |
| 29 | Raymond L. Miller | 44 | Head | Repairman | Pennsylvania |
| 30 | Maggie Miller | 40 | Wife | — | Pennsylvania |
| 31 | Arthur Miller | 13 | Son | — | Pennsylvania |
| 32 | Raymond Jr. Miller | 3 | Son | — | Pennsylvania |
| 33 | Thelma Miller | 9 | Daughter | — | Pennsylvania |
| 34 | Francis Dempsey | 37 | Head | Laborer | Ireland |
| 35 | Jessie Dempsey | 40 | Wife | Store Keeper | Ireland |
| 36 | Francis Jr. Dempsey | 13 | Son | — | Pennsylvania |
| 37 | Mary Dempsey THIS PERSON | 12 | Daughter | — | Pennsylvania |
| 38 | Theresa Dempsey | 9 | Daughter | — | Pennsylvania |
| 39 | Lawrence Dempsey | 5 | Son | — | Pennsylvania |
| 40 | John Dempsey | 2 | Son | — | Pennsylvania |
| 41 | Patrick Dempsey | 33 | Brother | Laborer | Ireland |
| 42 | Bernard Coyle | 27 | Boarder | Oil Tester | Ireland |
| 43 | Fred Manners | 41 | Head | Rigger | Germany |
| 44 | Sallie A. Manners | 41 | Wife | — | Pennsylvania |
| 45 | Emma Manners | 33 | Sister-in-law | Tester | Pennsylvania |
| 46 | James H. Stewart | 41 | Head | Iron Worker | Ireland |
| 47 | Bridget Stewart | 45 | Wife | — | Ireland |
| 48 | James P. Stewart | 14 | Son | — | Pennsylvania |
| 49 | William J. Stewart | 13 | Son | — | Pennsylvania |
| 50 | Michael Gallagher | 35 | Head | Driver | Ireland |
| 51 | Theresa Gallagher | 30 | Wife | — | Ireland |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1910 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)