WG
William Gillespie — 1930 US Census Record
Model Tree available1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this William Gillespie across the 1910, 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents Blair & George — first a son (b.~1902), then head of a 4-person household.
Age 28
b. ~1902
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Gillespie |
| Given Name | William N. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Waiter |
| Industry | Restaurant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Waiter |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1902 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Helen Scherf | Other | — | 20 | ~1910 |
| William Gillespie | Head | — | 56 | ~1874 |
| Catherine Gillespie | Daughter | — | 25 | ~1905 |
| William Gillespie | Son | — | 28 | ~1902 |
Census Appearances
1910
Allegheny, Pennsylvania
Son, age 8
Allegheny, Pennsylvania · implied b. ~1902 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gillespie |
| Given Name | William W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Son, age 18
Allegheny, Pennsylvania · implied b. ~1902 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gillespie |
| Given Name | William J |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 28
Allegheny, Pennsylvania · implied b. ~1902 — 4 household members
| Surname | Gillespie |
| Given Name | William N. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Waiter |
| Industry | Restaurant |
| Class of Worker | W |
| Can Read/Write | 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 William Gillespie across 3 US Census years (1910, 1920 and 1930) in Allegheny, Pennsylvania, using XGBoost record linkage. Identified parents: father Blair Gillespie (~0.92 confidence) and father George Gillespie (~0.92 confidence) and father William Gillespie (~0.92 confidence) and mother Dela Gillespie (~0.92 confidence) and mother Mary Gillespie (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Blair Gillespie
b. ~1874
Source father
● Household
· direct · ~0.92
Father
George Gillespie
b. ~1862
Source father
● Household
· direct · ~0.92
Father
William Gillespie
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Dela Gillespie
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Mary Gillespie
b. ~1871
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Gillespie
Son · 1930 · age 28 · b. ~1902 · Pennsylvania
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Sibling
Catherine Gillespie
Sibling · 1930 · age 25
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
1930 US Federal Census — Allegheny, Pennsylvania
Open full size
1930 US Federal Census — Allegheny, Pennsylvania
Page Contents
18 people indexed on this census page (ia:1930:fifteenthcensus00reel1986:0963)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William J. Gillespie | 56 | Head | Merchant | Pennsylvania |
| 2 | William N. Gillespie THIS PERSON | 28 | Son | Waiter | Pennsylvania |
| 3 | Catherine Gillespie | 25 | Daughter | — | Pennsylvania |
| 4 | Helen Scherf | 20 | Servant | Servant | Pennsylvania |
| 5 | Joseph Knaizer | 43 | Head | Repairman | Austria |
| 6 | Hannah Knaizer | 43 | Wife-H | — | Germany |
| 7 | Agnes Knaizer | 16 | Daughter | — | Pennsylvania |
| 8 | Ruth Knaizer | 8 | Daughter | — | Pennsylvania |
| 9 | Eveline Knaizer | 7 | Daughter | — | Pennsylvania |
| 10 | Joseph Knaizer | 5 | Son | — | Pennsylvania |
| 11 | Dorothy Knaizer | 3 | Daughter | — | Pennsylvania |
| 12 | John Schubert | 24 | Head | Clerk | Pennsylvania |
| 13 | Ella Schubert | 23 | Sister-H | — | Pennsylvania |
| 14 | Zetta Schubert | 21 | Sister | — | Pennsylvania |
| 15 | William Tell | 49 | Head | Caretaker | Pennsylvania |
| 16 | Alice Tell | 35 | Wife | — | Pennsylvania |
| 17 | Simon Schoch | 75 | Brother-in-law | Teamster | Pennsylvania |
| 18 | David Burkhardt | 29 | Roomer | Testman | Ohio |
Pedigree Summary
William + 1 sibling
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)