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Mary Gillespie — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Washington, Pennsylvania
Our Model Tree links this Mary Gillespie across the 1910 and 1920 US Censuses in Washington, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1907), then head of a 13-person household.
Age 13
b. ~1907
Female
Daughter
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Washington, Pennsylvania |
| Surname | Gillespie |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Mcdonald Borough |
| Est. Birth Year | ~1907 |
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.
13 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Rose Gillespie | Daughter | — | 15 | ~1905 |
| Mabel Gillespie | Daughter | — | 17 | ~1903 |
| Samuel Gillespie | Son | — | 11 | ~1909 |
| Vincent Gillespie | Son | — | 23 | ~1897 |
| Helen Gillespie | Daughter | — | 8 | ~1912 |
| John Gillespie | Son | — | 21 | ~1899 |
| Elizabeth Gillespie | Spouse | — | 46 | ~1874 |
| Anna Gillespie | Daughter | — | 15 | ~1905 |
| Albert Gillespie | Head | — | 50 | ~1870 |
| Mary Gillespie | Daughter | — | 13 | ~1907 |
| Warren Gillespie | Son | — | 19 | ~1901 |
| Martha Gillespie | Daughter | — | 5 | ~1915 |
| Walter Gillespie | Son | — | 24 | ~1896 |
Census Appearances
1910
Washington, Pennsylvania
Daughter, age 4
Washington, Pennsylvania · implied b. ~1906 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gillespie |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Washington, Pennsylvania
Daughter, age 13
Washington, Pennsylvania · implied b. ~1907 — 13 household members
| Surname | Gillespie |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| 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 Gillespie across 2 US Census years (1910 and 1920) in Washington, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Gillespie
Daughter · 1920 · age 13 · b. ~1907 · Pennsylvania
★ You are viewing this record
Sibling
Samuel Gillespie
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Gillespie
Sibling · 1920 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Gillespie
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Gillespie
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vincent Gillespie
Sibling · 1920 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mabel Gillespie
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Warren Gillespie
Sibling · 1920 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Gillespie
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Gillespie
Sibling · 1920 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Gillespie
Sibling · 1920 · age 15
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
1920 US Federal Census — Washington, Pennsylvania
Open full size
1920 US Federal Census — Washington, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1661unit:0350)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Edith M. Pumbaugh | 17 | Sister | Clerk | Pennsylvania |
| 52 | William Pumbaugh | 11 | Brother | — | Pennsylvania |
| 53 | Harold Pumbaugh | 9 | Brother | — | Pennsylvania |
| 54 | Howard H. Pumbaugh | 7 | Brother | — | Pennsylvania |
| 55 | Martha Edith Pumbaugh | 40 | Mother | — | Pennsylvania |
| 56 | Isaac Ayres | 73 | Grandfather | — | Pennsylvania |
| 57 | Alice L. Ayres | 71 | Grandmother | — | Pennsylvania |
| 58 | Lauchen A. Wiltshire | 37 | Boarder | Servant | West Virginia |
| 59 | Albert J. Gillespie | 50 | Head | Worker | Pennsylvania |
| 60 | Elizabeth M. Gillespie | 46 | Wife | — | Pennsylvania |
| 61 | Walter P. Gillespie | 24 | Son | Laborer | Pennsylvania |
| 62 | Vincent A. Gillespie | 23 | Son | Clerk | Pennsylvania |
| 63 | John C. Gillespie | 21 | Son | — | Pennsylvania |
| 64 | Warren Gillespie | 19 | Son | Mechanic | Pennsylvania |
| 65 | Mabel M. Gillespie | 17 | Daughter | Stenographer | Pennsylvania |
| 66 | Anna G. Gillespie | 15 | Daughter | — | Pennsylvania |
| 67 | Rose I. Gillespie | 15 | Daughter | — | Pennsylvania |
| 68 | Mary E. Gillespie THIS PERSON | 13 | Daughter | — | Pennsylvania |
| 69 | Samuel F. Gillespie | 11 | Son | — | Pennsylvania |
| 70 | Helen E. Gillespie | 8 | Daughter | — | Pennsylvania |
| 71 | Martha G. Gillespie | 5 | Daughter | — | Pennsylvania |
| 72 | Henry Bernard | 61 | Head | — | France |
| 73 | Roman Sribar | 30 | Head | Laborer | Russia |
| 74 | Annie Sribar | 28 | Wife | — | Russia |
| 75 | Blase Sribar | 7 | Daughter | — | Russia |
| 76 | Julia Sribar | 4 | Daughter | — | Pennsylvania |
| 77 | Walter Sribar | 1 | Son | — | Pennsylvania |
| 78 | Eugene Papez | 55 | Head | Miner | France |
| 79 | Marie Papez | 56 | Wife | — | France |
| 80 | Eugene Jr. Papez | 17 | Son | Repairman | Pennsylvania |
| 81 | Leona Papez | 12 | Daughter | — | Pennsylvania |
| 82 | Bertha Papez | 11 | Daughter | — | Pennsylvania |
| 83 | Tony Wojcik | 35 | Head | Loader | Poland |
| 84 | Rose Wojcik | 25 | Wife | — | Poland |
| 85 | Paul Wojcik | 2 | Son | — | Pennsylvania |
| 86 | Thomas Kirkin | 50 | Head | Section Hand | Ireland |
| 87 | Bridget Kirkin | 41 | Wife | — | Scotland |
| 88 | John Kirkin | 23 | Son | Laborer Inside | Pennsylvania |
| 89 | Harold Kirkin | 21 | Daughter | Saleswoman | Pennsylvania |
| 90 | Thomas Jr. Kirkin | 17 | Son | Laborer | Pennsylvania |
| 91 | Margaret Kirkin | 14 | Son | — | Pennsylvania |
| 92 | Francis Kirkin | 11 | Son | — | Pennsylvania |
| 93 | Edward Kirkin | 9 | Son | — | Pennsylvania |
| 94 | Charles Kirkin | 7 | Son | — | Pennsylvania |
| 95 | Elizabeth Kirkin | 3 | Daughter | — | Pennsylvania |
| 96 | Theodore Barlow | 42 | Head | Laborer | Belgium |
| 97 | Katheryn Barlow | 40 | Wife | — | Belgium |
| 98 | Theodore Barlow | 13 | Son | — | Belgium |
| 99 | William Margerum | 21 | Head | Builder | Pennsylvania |
| 100 | Gladys E. Margerum | 19 | Wife | — | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)