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William Boyle — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Suffolk-County, Massachusetts

Our Model Tree links this William Boyle across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 7-person household.

Age 20 b. ~1920 Male Son Born: Massachusetts Single

1940 Census Record Details

Census Year1940
LocationSuffolk-County, Massachusetts
SurnameBoyle
Given NameWilliam J
Relationship to HeadSon
SexM
Color / RaceWhite
Age20
Marital StatusSingle
BirthplaceMassachusetts
1935 Residence (City)Boston City
1935 Residence (County)Suffolk
Additional Details
Income (1939)0
Highest GradeHs 2
1935 ResidenceSame place
Birth StateMassachusetts
Birth CountryUnited States
Birthplace (normalized)massachusetts
Township / WardBoston City
Est. Birth Year~1920

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
William Boyle Son — 20 ~1920
Rose Boyle Daughter — 19 ~1921
Robert Boyle Son — 11 ~1929
Edward Boyle Head — 45 ~1895
Edward Boyle Son — 22 ~1918
Rose Boyle Spouse — 41 ~1899
Bertha Boyle Daughter — 16 ~1924

Census Appearances

1930
Suffolk, Massachusetts
Son, age 10
Suffolk, Massachusetts · implied b. ~1920 — 7 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Boyle
Given Name William J
Relationship to Head Son
Sex M
Color / Race White
Age 10
Marital Status Single
Birthplace Massachusetts
Father's Birthplace Massachusetts
Mother's Birthplace Massachusetts
Can Read/Write Yes
Birth State Massachusetts
Birth Country United States
Birthplace (normalized) massachusetts
1940
Suffolk-County, Massachusetts
Son, age 20
Suffolk-County, Massachusetts · implied b. ~1920 — 7 household members
Surname Boyle
Given Name William J
Relationship to Head Son
Sex M
Color / Race White
Age 20
Marital Status Single
Birthplace Massachusetts
1935 Residence (City) Boston City
1935 Residence (County) Suffolk
Income (1939) 0
Highest Grade Hs 2
1935 Residence Same place
Birth State Massachusetts
Birth Country United States
Birthplace (normalized) massachusetts

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 20 · b. ~1920 · Massachusetts
★ You are viewing this record
Sibling
Robert Boyle
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Boyle
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Boyle
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bertha Boyle
Sibling · 1940 · age 16
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 — Suffolk-County, Massachusetts Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-01659-00130)

Line Name Age Relation Occupation Birthplace
1 Catherine Mcmanamin 77 Head — England
2 Alice Mcmanamin 48 Daughter Seamstress Massachusetts
3 Mary Mcmanamin 46 Daughter Milliner Massachusetts
4 Mary E Bartholomew 53 Head Typing Massachusetts
5 Francis Mclaughlin 52 Head Station Eng Massachusetts
6 Bridget Mclaughlin 50 Wife — Eire
7 George Hannis 33 Head Salesman Massachusetts
8 Anna Hannis 29 Wife — Massachusetts
9 George Hannis 4 Son — Massachusetts
10 Mary Barry 50 Head — Eire
11 Alice Barry 36 Sister Purchasing Agent Massachusetts
12 Eileen Barry 20 Daughter Billing Clerk Massachusetts
13 Hannah Carlin 68 Head — Eire
14 Ellen A Mclaughlin 66 Head — Massachusetts
15 Annie V Mclaughlin 51 Sister — Massachusetts
16 James Porter 30 Head Watchman Massachusetts
17 Winifred E Porter 28 Wife — Massachusetts
18 Mary E Porter 5 Daughter — Massachusetts
19 Jane A Porter 3 Daughter — Massachusetts
20 Edward J Boyle 45 Head Truck Driver Massachusetts
21 Rose Boyle 41 Wife — Massachusetts
22 Edward Jr Boyle 22 Son Cashier Massachusetts
23 William J Boyle THIS PERSON 20 Son — Massachusetts
24 Rose M Boyle 19 Daughter Billing Clerk Massachusetts
25 Bertha Boyle 16 Daughter — Massachusetts
26 Robert L Boyle 11 Son — Massachusetts
27 Clara M Sullivan 61 Head Probation Off Massachusetts
28 John F Sullivan 55 Brother Transit Man Massachusetts
29 Elizabeth Sullivan 54 Sister Entry Clerk Massachusetts
30 James Murray 49 Head Salesman Massachusetts
31 Edna Murray 46 Wife — Massachusetts
32 Francis Murray 25 Son — Massachusetts
33 William Murray 21 Son — Massachusetts
34 Joseph Murray 16 Son — Massachusetts
35 James Murray 10 Son — Massachusetts
36 John B Passalacqua 55 Head Laborer Italy
37 Leonarda Passalacqua 55 Wife — Italy
38 John Sarnie 53 Head Shoemaker Italy
39 Marie Sarnie 48 Wife — Italy

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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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