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William Boyle — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Allegheny-County, Pennsylvania

Our Model Tree links this William Boyle across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 7-person household.

Age 15 b. ~1925 Male Son Born: Pennsylvania Single

1940 Census Record Details

Census Year1940
LocationAllegheny-County, Pennsylvania
SurnameBoyle
Given NameWilliam Jr.
Relationship to HeadSon
SexM
Color / RaceWhite
Age15
Marital StatusSingle
BirthplacePennsylvania
1935 Residence (City)East Pittsburgh
1935 Residence (County)Allegheny
Additional Details
IndustryS
Highest GradeH-1
1935 ResidenceSame house
Birth StatePennsylvania
Birth CountryUnited States
Birthplace (normalized)pennsylvania
Township / WardEast Pittsburgh
Est. Birth Year~1925

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 William Age Birth yr
George Boyle Son — 11 ~1929
William Boyle Son — 15 ~1925
Anne Boyle Daughter — 18 ~1922
Victorine Boyle Daughter — 13 ~1927
William Boyle Head — 54 ~1886
Ella Boyle Spouse — 47 ~1893
John Boyle Son — 20 ~1920

Census Appearances

1930
Allegheny, Pennsylvania
Son, age 5
Allegheny, Pennsylvania · implied b. ~1925 — 3 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Boyl
Given Name William Jr.
Relationship to Head Son
Sex M
Color / Race White
Age 5
Marital Status Single
Birthplace Pennsylvania
Father's Birthplace Germany
Mother's Birthplace Czecho-Slovakia
Birth State Pennsylvania
Birth Country United States
Birthplace (normalized) pennsylvania
1940
Allegheny-County, Pennsylvania
Son, age 15
Allegheny-County, Pennsylvania · implied b. ~1925 — 7 household members
Surname Boyle
Given Name William Jr.
Relationship to Head Son
Sex M
Color / Race White
Age 15
Marital Status Single
Birthplace Pennsylvania
1935 Residence (City) East Pittsburgh
1935 Residence (County) Allegheny
Industry S
Highest Grade H-1
1935 Residence Same house
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.
Linked across censuses
Our Model Tree links William Boyle across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Boyle
Son · 1940 · age 15 · b. ~1925 · Pennsylvania
★ You are viewing this record
Sibling
Victorine Boyle
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Boyle
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Boyle
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anne Boyle
Sibling · 1940 · age 18
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

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03402-00800)

Line Name Age Relation Occupation Birthplace
1 Allison Smith 56 Head Laborer Pennsylvania
2 Jeannette Q Smith 56 Wife — Pennsylvania
3 Paul Smith 1 Grandchild — Pennsylvania
4 William Sr. Boyle 54 Head Police Officer Pennsylvania
5 Ella D Boyle 47 Wife — Pennsylvania
6 John Boyle 20 Son Dairy Clerk Pennsylvania
7 Anne Boyle 18 Daughter — Pennsylvania
8 William Jr. Boyle THIS PERSON 15 Son — Pennsylvania
9 Victorine Boyle 13 Daughter — Pennsylvania
10 George Boyle 11 Son — Pennsylvania
11 Michael Carch 34 Head Pipe Fitter Helper Pennsylvania
12 Anna Carch 32 Wife — Austria
13 Gilbert Carch 11 Son — Pennsylvania
14 John Carch 24 Brother Laborer Pennsylvania
15 Sam Burke 52 Head Wholesale Beer Distrib Hungary
16 Mary Burke 45 Wife — Hungary
17 David Burke 22 Son — Pennsylvania
18 Anna Burke 17 Daughter — Pennsylvania
19 Pearl Burke 14 Daughter — Pennsylvania
20 Vella Burke 7 Daughter — Pennsylvania
21 Ralph Sr. Baker 36 Head Narrow Gauge Engineer Pennsylvania
22 Nancy Baker 30 Wife — Scotland
23 Daniel Baker 12 Son — Pennsylvania
24 Ralph Jr. Baker 11 Son — Pennsylvania
25 Robert Baker 8 Son — Pennsylvania
26 William Baker 6 Son — Pennsylvania
27 Gus Kainaros 54 Head Machine Hand Greece
28 George Kainaros 48 Head Janitor Greece
29 Margaret Kainaros 38 Wife — Pennsylvania
30 Helen Kainaros 2 Daughter — Pennsylvania
31 Frank Biller 42 Head Crane Operator Croatia
32 Barbara Biller 31 Wife — Pennsylvania
33 Mildred Biller 6 Daughter — Pennsylvania
34 Edna Mack 50 Head Seamstress Ohio
35 John Dorricott 42 Lodger Coil Assembler Pennsylvania
36 Frank Vaymina 60 Head Bench Assembler Germany
37 Albina Vaymina 58 Wife — Germany
38 Josephine Kapusta 35 Head Punch Press Oper. Poland
39 Josephine Sophie Kapusta 19 Daughter Punch Press Oper. Pennsylvania
40 Nicholas Mance 23 Lodger Crane Operator Pennsylvania

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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)

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