JG
James Gillespie — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this James Gillespie across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Robert & Bessie — first a son (b.~1919), then head of a 3-person household.
Age 21
b. ~1919
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Gillespie |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Canonsburg |
| 1935 Residence (County) | Wash |
| Additional Details | |
| Occupation | Salesman |
| Industry | Retail Auto Parts |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 1200 |
| Highest Grade | H-4 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Salesman |
| Township / Ward | Heidelberg |
| Est. Birth Year | ~1919 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Gillespie | Son | — | 21 | ~1919 |
| Bessie Gillespie | Head | — | 48 | ~1892 |
| Robert Gillespie | Son | — | 23 | ~1917 |
Census Appearances
1920
Washington, Pennsylvania
Son, age 1
Washington, Pennsylvania · implied b. ~1919 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gillespie |
| Given Name | James B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Washington, Pennsylvania
Son, age 11
Washington, Pennsylvania · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gillespie |
| Given Name | James H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 21
Allegheny-County, Pennsylvania · implied b. ~1919 — 3 household members
| Surname | Gillespie |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Canonsburg |
| 1935 Residence (County) | Wash |
| Occupation | Salesman |
| Industry | Retail Auto Parts |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 1200 |
| Highest Grade | H-4 |
| 1935 Residence | Pennsylvania |
| 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 James Gillespie across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Gillespie (~0.92 confidence) and mother Bessie Gillespie (~0.92 confidence) and mother Bessie Gillespie (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Gillespie
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Bessie Gillespie
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Bessie Gillespie
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Gillespie
Son · 1940 · age 21 · b. ~1919 · Pennsylvania
★ You are viewing this record
Sibling
Robert Gillespie
Sibling · 1940 · age 23
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
1940 US Federal Census — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03405-00402)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Kenneth Pasi | 21 | Boarder | — | Pennsylvania |
| 2 | Gusta Saverne | 48 | Boarder | — | Pennsylvania |
| 3 | Domenico Clerici | 48 | Head | Chef | Italy |
| 4 | Genelfa Clerici | 45 | Wife | — | Italy |
| 5 | Eugene Clerici | 19 | Son | Labor | Italy |
| 6 | Gilo Clerici | 16 | Son | — | Pennsylvania |
| 7 | Erma Clerici | 14 | Daughter | — | Pennsylvania |
| 8 | Catherine Clerici | 12 | Daughter | — | Pennsylvania |
| 9 | Josephine Rodgers | 74 | Head | — | Pennsylvania |
| 10 | Mary Rodgers | 35 | Daughter | Stenograph | Pennsylvania |
| 11 | Walter Popper | 40 | Head | Engineer | Pennsylvania |
| 12 | Lucinda Popper | 39 | Wife | — | Pennsylvania |
| 13 | Walter Jr. Popper | 17 | Son | Paper Worker | Pennsylvania |
| 14 | John Popper | 15 | Son | — | Pennsylvania |
| 15 | Robert Popper | 13 | Son | — | Pennsylvania |
| 16 | Kenneth Popper | 11 | Son | — | Pennsylvania |
| 17 | Gertrude Popper | 12 | Daughter | — | Pennsylvania |
| 18 | Joseph C. Mccabe | 78 | Head | — | Pennsylvania |
| 19 | Alice Mccabe | 55 | Wife | — | Pennsylvania |
| 20 | Stephen Yegus | 26 | Son | Attendant | Pennsylvania |
| 21 | Sharon Yegus | 25 | Daughter | — | Pennsylvania |
| 22 | Edward Berglund | 36 | Head | Lineman | Pennsylvania |
| 23 | Hazel Berglund | 36 | Wife | — | Pennsylvania |
| 24 | Audrey Mae Berglund | 14 | Daughter | — | Pennsylvania |
| 25 | Garnet Berglund | 9 | Daughter | — | Pennsylvania |
| 26 | Clara Budnick | 59 | Mother-in-law | — | Ohio |
| 27 | Frank Johnston | 33 | Head | Rigger | Pennsylvania |
| 28 | Helen Johnston | 26 | Wife | — | Pennsylvania |
| 29 | Francis Johnston | 2 | Son | — | Pennsylvania |
| 30 | Thomas W. Gray | 67 | Head | Teacher | Pennsylvania |
| 31 | Samuel R. Mcbride | 38 | Head | Manager | Pennsylvania |
| 32 | Helen Mcbride | 31 | Daughter | — | Pennsylvania |
| 33 | Bessie Gillespie | 48 | Head | — | New York |
| 34 | Robert Gillespie | 23 | Son | Salesman | Pennsylvania |
| 35 | James Gillespie THIS PERSON | 21 | Son | Salesman | Pennsylvania |
| 36 | Harold Stewart | 55 | Head | Labor | Maryland |
| 37 | Mary Stewart | 53 | Sister | — | West Virginia |
| 38 | Thomas Davis | 53 | Head | Labor | Virginia |
| 39 | Minnie Comarko | 45 | Voice | — | Pennsylvania |
| 40 | Norman Johnson | 58 | Head | Labor | Virginia |
Pedigree Summary
James + 1 sibling
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)