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Mary Leach — 1910 US Census Record
Linked across censuses1910 United States Federal Census · New Castle, Delaware
Our Model Tree links this Mary Leach across the 1900 and 1910 US Censuses in New Castle, Delaware (XGBoost, ~Confirmed) — first a daughter (b.~1867), then head of a 6-person household.
Age 43
b. ~1867
Female
Daughter
Born: Delaware
Married
1910 Census Record Details
| Census Year | 1910 |
| Location | New Castle, Delaware |
| Surname | Leach |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Delaware |
| Years Married | 25 |
| Children Born | 1 |
| Children Living | 0 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Delaware |
| Additional Details | |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Township / Ward | Wilmington City |
| Est. Birth Year | ~1867 |
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 1910 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Harriett Hesslein | Other | — | 61 | ~1849 |
| Emma Lippincott | Spouse | — | 67 | ~1843 |
| Charles Lippincott | Son | — | 46 | ~1864 |
| Plummer Leach | Other | — | 47 | ~1863 |
| George Lippincott | Head | — | 71 | ~1839 |
| Mary Leach | Daughter | — | 43 | ~1867 |
Census Appearances
1900
New Castle, …
Daughter, age 35
New Castle, Delaware · implied b. ~1865 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leach |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Widowed |
| Birthplace | Delaware |
| Birth Month | Oct |
| Birth Year | 1865 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Delaware |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1910
New Castle, …
Daughter, age 43
New Castle, Delaware · implied b. ~1867 — 6 household members
| Surname | Leach |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Delaware |
| Years Married | 25 |
| Children Born | 1 |
| Children Living | 0 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Delaware |
| 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 Leach across 2 US Census years (1900 and 1910) in New Castle, Delaware, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Leach
Daughter · 1910 · age 43 · b. ~1867 · Delaware
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Sibling
Charles Lippincott
Sibling · 1910 · age 46
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
26 people indexed on this census page (ia:1910:13thcensus1910po146unit:1421)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Edna M. Lynch | 15 | Daughter | Apprentice | New York |
| 52 | Charles S. Lynch | 9 | Son | — | New York |
| 53 | Mary A. Lynch | 7 | Daughter | — | Delaware |
| 54 | William B. Waterman | 60 | Head | Engineer | Maine |
| 55 | Sarah A. Waterman | 56 | Wife | — | New Jersey |
| 56 | Sarah A. Weatherby | 86 | Mother-in-law | — | New Jersey |
| 57 | R. Harry Redmile | 53 | Head | Foreman Of Engineers | Delaware |
| 58 | Maggie Redmile | 49 | Wife | — | Delaware |
| 59 | Roland W. Redmile | 15 | Son | — | Delaware |
| 60 | Venie Reed | 15 | Servant | Servant | Maryland |
| 61 | Harry Tidox | 51 | Head | Conductor | Delaware |
| 62 | Elizabeth S. Tidox | 44 | Wife | — | Delaware |
| 63 | Madaline H. Tidox | 11 | Daughter | — | Delaware |
| 64 | Edward M. Speakman | 51 | Brother-in-law | Mail-Carrier | Delaware |
| 65 | Walter M. Speakman | 45 | Brother-in-law | Plumber | Delaware |
| 66 | Joseph D. Patton | 66 | Head | Ship-Joiner | Delaware |
| 67 | Martha C. Patton | 64 | Wife | — | Delaware |
| 68 | Elizabeth J. Patton | 32 | Daughter | Teacher | Delaware |
| 69 | Louisa Swain | 75 | Boarder | — | New Jersey |
| 70 | Nellie S. Swain | 42 | Boarder | Teacher | Delaware |
| 71 | George D. Lippincott | 71 | Head | Laborer | New Jersey |
| 72 | Emma J. Lippincott | 67 | Wife | — | Delaware |
| 73 | Plummer H. Leach | 47 | Son-in-law | Superintendent | Pennsylvania |
| 74 | Mary C. Leach THIS PERSON | 43 | Daughter | — | Delaware |
| 75 | Charles H. Lippincott | 46 | Son | Sheriff | Delaware |
| 76 | Harriett Hesslein | 61 | Sister-in-law | Nurse | New Jersey |
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)