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Mary Buchanan — 1910 US Census Record
Linked across censuses1910 United States Federal Census · Washington, Pennsylvania
Our Model Tree links this Mary Buchanan across the 1910 and 1920 US Censuses in Washington, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1903), then head of a 8-person household.
Age 7
b. ~1903
Female
Daughter
Born: Pennsylvania
Single
1910 Census Record Details
| Census Year | 1910 |
| Location | Washington, Pennsylvania |
| Surname | Buchanan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Independence Township |
| Est. Birth Year | ~1903 |
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 |
|---|---|---|---|---|
| David Buchanan | Head | — | 33 | ~1877 |
| Grace Buchanan | Daughter | — | 2 | ~1908 |
| Bessie Buchanan | Daughter | — | 5 | ~1905 |
| James Buchanan | Son | — | ~1910 | |
| Walter Buchanan | Son | — | 8 | ~1902 |
| Mary Buchanan | Daughter | — | 7 | ~1903 |
| William Buchanan | Son | — | 10 | ~1900 |
| Margaret Buchanan | Spouse | — | 33 | ~1877 |
Census Appearances
1910
Washington, Pennsylvania
Daughter, age 7
Washington, Pennsylvania · implied b. ~1903 — 8 household members
| Surname | Buchanan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Washington, Pennsylvania
Daughter, age 18
Washington, Pennsylvania · implied b. ~1902 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Buchannan |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| 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 Buchanan across 2 US Census years (1910 and 1920) in Washington, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Buchanan
Daughter · 1910 · age 7 · b. ~1903 · Pennsylvania
★ You are viewing this record
Sibling
Grace Buchanan
Sibling · 1910 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bessie Buchanan
Sibling · 1910 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Buchanan
Sibling · 1910 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Buchanan
Sibling · 1910 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Buchanan
Sibling · 1910 · age
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 — Washington, Pennsylvania
Open full size
1910 US Federal Census — Washington, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1910:13thcensus1910po1426unit:0809)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | David Buchanan | 33 | Head | Farmer | Pennsylvania |
| 52 | Margaret Buchanan | 33 | Wife | — | Pennsylvania |
| 53 | William Buchanan | 10 | Son | — | Pennsylvania |
| 54 | Walter Buchanan | 8 | Son | — | Pennsylvania |
| 55 | Mary Buchanan THIS PERSON | 7 | Daughter | — | Pennsylvania |
| 56 | Bessie Buchanan | 5 | Daughter | — | Pennsylvania |
| 57 | Grace Buchanan | 2 | Daughter | — | Pennsylvania |
| 58 | James Buchanan | 0 | Son | — | Pennsylvania |
| 59 | Ira B Moore | 36 | Head | Farmer | Pennsylvania |
| 60 | Molly Moore | 30 | Wife | — | Pennsylvania |
| 61 | Agustus Adams | 45 | Head | Farmer | Pennsylvania |
| 62 | Lettie Adams | 42 | Wife | — | Pennsylvania |
| 63 | William P Adams | 21 | Son | Laborer | Pennsylvania |
| 64 | Irene N Adams | 15 | Daughter | — | Pennsylvania |
| 65 | Laura B Adams | 10 | Daughter | — | Pennsylvania |
| 66 | John E Adams | 9 | Son | — | Pennsylvania |
| 67 | Martha Adams | 5 | Daughter | — | Pennsylvania |
| 68 | Orlando Adams | 0 | Son | — | Pennsylvania |
| 69 | Ruth Fisher | 28 | Sister | Dressmaker | Pennsylvania |
| 70 | Jacob Kerrigan | 72 | Head | Farmer | Ohio |
| 71 | Tennessee Kerrigan | 40 | Son | Farmer | Pennsylvania |
| 72 | Jennie M Kerrigan | 38 | Daughter | — | Pennsylvania |
| 73 | David Kerrigan | 36 | Son | Farmer | Pennsylvania |
| 74 | Annie P Kerrigan | 28 | Daughter | — | Pennsylvania |
| 75 | James Duff | 55 | Head | Farmer | Pennsylvania |
| 76 | Martha Duff | 48 | Wife | — | Pennsylvania |
| 77 | Enos Duff | 25 | Son | — | Pennsylvania |
| 78 | Arthur Duff | 13 | Nephew | — | Pennsylvania |
| 79 | Martha Duff | 10 | Niece | — | Pennsylvania |
| 80 | Obediah Isaac | 65 | Head | Farmer | Maryland |
| 81 | Sarah Isaac | 60 | Wife | — | Pennsylvania |
| 82 | Augustus Isaac | 30 | Son | Laborer | Pennsylvania |
| 83 | Lester Isaac | 2 | Boarder | Laborer | Pennsylvania |
| 84 | John A Coke | 57 | Head | Salesman | Pennsylvania |
| 85 | Laura A Coke | 31 | Wife | — | West Virginia |
| 86 | James W Coke | 49 | Brother | Farmer | Pennsylvania |
| 87 | Samuel A Ralston | 60 | Head | Farmer | Pennsylvania |
| 88 | Margaret Ralston | 60 | Wife | — | Pennsylvania |
| 89 | George Ralston | 32 | Son | Farmer | Pennsylvania |
| 90 | Nettie Ralston | 25 | Servant | Servant | Ohio |
| 91 | William M Curtis | 44 | Head | Farmer | Pennsylvania |
| 92 | Sarah Curtis | 43 | Wife | — | Pennsylvania |
| 93 | Lawrence Curtis | 21 | Son | Laborer | Pennsylvania |
| 94 | Grace G Curtis | 19 | Daughter | — | Pennsylvania |
| 95 | Elizabeth Curtis | 16 | Daughter | — | Pennsylvania |
| 96 | Sarah M Curtis | 73 | Mother | — | Pennsylvania |
| 97 | Winfield Buchanan | 45 | Head | Farmer | Pennsylvania |
| 98 | Bessie Buchanan | 22 | Daughter | Teacher | Pennsylvania |
| 99 | Rea D Buchanan | 20 | Son | Bookkeeper | Pennsylvania |
| 100 | Hugh H Buchanan | 15 | Son | Laborer | Pennsylvania |
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)