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James Boyle — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this James Boyle across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 7-person household.
Age 16
b. ~1924
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Boyle |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | S 7 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1924 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| John Boyle | Son | — | 14 | ~1926 |
| Charles Boyle | Son | — | 8 | ~1932 |
| Mary Boyle | Daughter | — | 19 | ~1921 |
| Richard Boyle | Son | — | 5 | ~1935 |
| James Boyle | Son | — | 16 | ~1924 |
| Edward Boyle | Son | — | 21 | ~1919 |
| Jessie Boyle | Head | — | 42 | ~1898 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 6
Allegheny, Pennsylvania · implied b. ~1924 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyle |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 16
Allegheny-County, Pennsylvania · implied b. ~1924 — 7 household members
| Surname | Boyle |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Income (1939) | 0 |
| Highest Grade | S 7 |
| 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 Boyle across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Boyle
Son · 1940 · age 16 · b. ~1924 · Pennsylvania
★ You are viewing this record
Sibling
Richard Boyle
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Boyle
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Boyle
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Boyle
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Boyle
Sibling · 1940 · age 19
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-t0627-03671-00408)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Stella Marciniak | 36 | Wife | — | Poland |
| 2 | Joseph Marciniak | 20 | Son | New Worker | Pennsylvania |
| 3 | Stanley Marciniak | 17 | Son | New Worker | Pennsylvania |
| 4 | Anthony Stenunes | 68 | Lodger | Grinder | Lithuania |
| 5 | Thomas Kulaza | 46 | Lodger | Coal Miner | Poland |
| 6 | Jessie Boyle | 42 | Head | — | Pennsylvania |
| 7 | Edward Boyle | 21 | Son | New Worker | Pennsylvania |
| 8 | Mary Ellen Boyle | 19 | Daughter | New Worker | Pennsylvania |
| 9 | James Boyle THIS PERSON | 16 | Son | — | Pennsylvania |
| 10 | John Boyle | 14 | Son | — | Pennsylvania |
| 11 | Charles Boyle | 8 | Son | — | Pennsylvania |
| 12 | Richard Boyle | 5 | Son | — | Pennsylvania |
| 13 | Walter Rekasie | 48 | Head | Brick Maker | Lithuania |
| 14 | Anna Rekasie | 50 | Wife | — | Lithuania |
| 15 | Paul Rekasie | 24 | Son | Truck Helper | Pennsylvania |
| 16 | Walter Rekasie | 22 | Son | — | Pennsylvania |
| 17 | Anthony Rekasie | 20 | Son | New Worker | Pennsylvania |
| 18 | Stanley Rekasie | 17 | Son | — | Pennsylvania |
| 19 | John Rekasie | 13 | Son | — | Pennsylvania |
| 20 | Anna Rekasie | 7 | Daughter | — | Pennsylvania |
| 21 | Nick Korens | 62 | Head | Hoisting Engineer | Croatia |
| 22 | Helen Korens | 58 | Wife | — | Croatia |
| 23 | George (Ab) Korens | 29 | Son | — | Pennsylvania |
| 24 | Louis Niezgroski | 60 | Head | Labor | Poland |
| 25 | Mary Niezgroski | 55 | Wife | — | Poland |
| 26 | Anthony Niezgroski | 25 | Son | Semi-Sk Labor | Pennsylvania |
| 27 | Theodore Niezgroski | 23 | Son | Mechanic | Pennsylvania |
| 28 | John Niezgroski | 21 | Son | — | Pennsylvania |
| 29 | Vincent Niezgroski | 19 | Son | Polisher | Pennsylvania |
| 30 | Walter Niezgroski | 17 | Son | New Worker | Pennsylvania |
| 31 | Louis Stanley | 28 | Head | Semi-Sk Labor | Pennsylvania |
| 32 | Frances Stanley | 19 | Daughter-in-law | — | Ohio |
| 33 | Stanley Stanley | 0 | Grandson | — | Pennsylvania |
| 34 | Frank Comport | 54 | Head | Huckster | Italy |
| 35 | Rose Comport | 49 | Wife | — | Italy |
| 36 | Henry Comport | 20 | Daughter | New Worker | Pennsylvania |
| 37 | Anna Comport | 19 | Daughter | Dishwasher | Pennsylvania |
| 38 | Josephine Comport | 17 | Daughter | — | Pennsylvania |
| 39 | Jennie Comport | 15 | Daughter | — | Pennsylvania |
| 40 | William Comport | 13 | Son | — | Pennsylvania |
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)