MD
Mary Dempsey — 1910 US Census Record
Linked across censuses1910 United States Federal Census · New Castle, Delaware
Our Model Tree links this Mary Dempsey across the 1900 and 1910 US Censuses in New Castle, Delaware (XGBoost, ~Confirmed) — first a daughter (b.~1897), then head of a 8-person household.
Age 13
b. ~1897
Female
Daughter
Born: Delaware
Single
1910 Census Record Details
| Census Year | 1910 |
| Location | New Castle, Delaware |
| Surname | Dempsey |
| Given Name | Mary L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Township / Ward | Representative District No 6 Election District No 3 |
| Est. Birth Year | ~1897 |
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.
8 people recorded at the same address in the 1910 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Dempsey | Daughter | — | 13 | ~1897 |
| Jane Dempsey | Spouse | — | 52 | ~1858 |
| Charles Dempsey | Son | — | 8 | ~1902 |
| Walter Dempsey | Son | — | 19 | ~1891 |
| James Dempsey | Head | — | 60 | ~1850 |
| Thomas Dempsey | Son | — | 23 | ~1887 |
| George Dempsey | Son | — | 26 | ~1884 |
| Robert Dempsey | Son | — | 16 | ~1894 |
Census Appearances
1900
New Castle, …
Daughter, age 4
New Castle, Delaware · implied b. ~1896 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dempsey |
| Given Name | Mary L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Delaware |
| Birth Month | May |
| Birth Year | 1896 |
| Father's Birthplace | Delaware |
| Mother's Birthplace | New Jersey |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1910
New Castle, …
Daughter, age 13
New Castle, Delaware · implied b. ~1897 — 8 household members
| Surname | Dempsey |
| Given Name | Mary L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | New Jersey |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
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 (1900 and 1910) in New Castle, Delaware, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Dempsey
Daughter · 1910 · age 13 · b. ~1897 · Delaware
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Sibling
Thomas Dempsey
Sibling · 1910 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Dempsey
Sibling · 1910 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Dempsey
Sibling · 1910 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Dempsey
Sibling · 1910 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Dempsey
Sibling · 1910 · age 8
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 — New Castle, Delaware
Open full size
1910 US Federal Census — New Castle, Delaware
Page Contents
50 people indexed on this census page (ia:1910:13thcensus1910po146unit:0079)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clarence W Pierce | 31 | Head | Manager | Pennsylvania |
| 2 | Bertha B Pierce | 31 | Wife | — | Pennsylvania |
| 3 | Mary B Pierce | 4 | Daughter | — | Pennsylvania |
| 4 | George W Pierce | 64 | Father | Carpenter | Maryland |
| 5 | Elmerly H Mason | 56 | Head | Manufacturer | Eng-English |
| 6 | Carrie J Mason | 49 | Wife | — | Maine |
| 7 | Helen F Mason | 15 | Daughter | — | Pennsylvania |
| 8 | Pearl Bennett | 12 | Servant | — | Delaware |
| 9 | George Patterson | 56 | Head | General Superintendent | Pennsylvania |
| 10 | Eliza Patterson | 57 | Wife | — | Pennsylvania |
| 11 | John D Patterson | 24 | Son | Student | Pennsylvania |
| 12 | Mary B Denny | 38 | Servant | Cook | Delaware |
| 13 | Willard Hamilton | 19 | Hired man | Helper | Delaware |
| 14 | Amos C Maxwell | 55 | Head | Farmer | Delaware |
| 15 | Ida M Maxwell | 23 | Wife | — | Delaware |
| 16 | Naoma M Maxwell | 12 | Daughter | — | Delaware |
| 17 | Estie Cox | 4 | Granddaughter | — | Delaware |
| 18 | Sarah L Adkins | 75 | Head | — | Delaware |
| 19 | John S Dempsey | 24 | Head | Engineer | Pennsylvania |
| 20 | Laura E Dempsey | 21 | Wife | — | Delaware |
| 21 | James H Dempsey | 60 | Head | Laborer | Delaware |
| 22 | Jane Dempsey | 52 | Wife | — | New Jersey |
| 23 | George W Dempsey | 26 | Son | Crane Man | Pennsylvania |
| 24 | Thomas W Dempsey | 23 | Son | Fireman | Delaware |
| 25 | Walter B Dempsey | 19 | Son | Laborer | Delaware |
| 26 | Robert L Dempsey | 16 | Son | Helper | Delaware |
| 27 | Mary L Dempsey THIS PERSON | 13 | Daughter | — | Delaware |
| 28 | Charles B Dempsey | 8 | Son | — | Delaware |
| 29 | Paul C Swartz | 57 | Head | Painter | Ger-English |
| 30 | Anna Swartz | 55 | Wife | — | Ger-English |
| 31 | Arthur L Swartz | 23 | Son | Farm Hand | Delaware |
| 32 | Edna Swartz | 21 | Daughter | Dressmaker | Delaware |
| 33 | Addie S Swartz | 18 | Daughter | Stenographer | Delaware |
| 34 | Alvie S Swartz | 10 | Son | — | Delaware |
| 35 | Luigi Primaleo | 28 | Head | Driller | It-Italian |
| 36 | Lucia Primaleo | 24 | Wife | — | It-Italian |
| 37 | Josina Primaleo | 4 | Son | — | It-Italian |
| 38 | Maria Primaleo | 2 | Daughter | — | Pennsylvania |
| 39 | Filippo Primaleo | 0 | Son | — | Delaware |
| 40 | Antonio Primaleo | 0 | Son | — | Delaware |
| 41 | Ramigo Depolo | 35 | Head | Foreman | It-Italian |
| 42 | Natalina Depolo | 31 | Wife | Keeper | It-Italian |
| 43 | Bruno Depolo | 6 | Son | — | Ohio |
| 44 | Charles Depolo | 4 | Son | — | It-Italian |
| 45 | Louis Depolo | 33 | Boarder | Blacksmith | It-Italian |
| 46 | Giovanni Depolo | 24 | Boarder | Driller | It-Italian |
| 47 | Guiseppe Costella | 23 | Boarder | Fireman | It-Italian |
| 48 | Pietro Costella | 23 | Boarder | Carpenter | It-Italian |
| 49 | Eliseo Demaso | 24 | Boarder | Driller | It-Italian |
| 50 | Giovanni Demaso | 18 | Boarder | Helper | It-Italian |
Related Census Records
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)