John Duffy — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Bristol-County, Massachusetts

Our Model Tree links this John Duffy across the 1920, 1930 and 1940 US Censuses in Bristol-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 4-person household.

Age 66 b. ~1874 Male Head Born: New Jersey Married

1940 Census Record Details

Census Year	1940
Location	Bristol-County, Massachusetts
Surname	Duffy
Given Name	John H
Relationship to Head	Head
Sex	M
Color / Race	White
Age	66
Marital Status	Married
Birthplace	New Jersey
1935 Residence (City)	Fall River
1935 Residence (County)	Bristol
Additional Details
Occupation	Weaver
Industry	Cotton Mill
Class of Worker	PW
Hours Worked	65
Highest Grade	No 7
1935 Residence	Mass
Birth State	New Jersey
Birth Country	United States
Birthplace (normalized)	new jersey
Occupation	Weaver
Township / Ward	Swansea
Est. Birth Year	~1874

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 1940 census.

Name	Relation to head	Relative to John	Age	Birth yr
Gertrude Sweeney	Daughter	—	30	~1910
John Duffy	Head	—	66	~1874
Edward Sweeney	Other	—	39	~1901
Mary Duffy	Spouse	—	62	~1878

Census Appearances

1920

Bristol, Massachusetts

Head, age 47

Bristol, Massachusetts · implied b. ~1873 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Duffy
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	47
Marital Status	Married
Birthplace	New Jersey
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Weaver
Industry	Cotton Mill
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Home Owned/Rented	R
Birth State	New Jersey
Birth Country	United States
Birthplace (normalized)	new jersey

1930

Bristol, Massachusetts

Head, age 57

Bristol, Massachusetts · implied b. ~1873 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Duffy
Given Name	John H.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	57
Marital Status	Married
Birthplace	New Jersey
Age at First Marriage	33
Father's Birthplace	Irish Free State
Mother's Birthplace	Michigan State
Occupation	Heaver
Industry	Cotton mill
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	R
Home Value / Rent	30.33
Radio Set	R
Birth State	New Jersey
Birth Country	United States
Birthplace (normalized)	new jersey

1940

Bristol-County, Massachusetts

Head, age 66

Bristol-County, Massachusetts · implied b. ~1874 — 4 household members

Surname	Duffy
Given Name	John H
Relationship to Head	Head
Sex	M
Color / Race	White
Age	66
Marital Status	Married
Birthplace	New Jersey
1935 Residence (City)	Fall River
1935 Residence (County)	Bristol
Occupation	Weaver
Industry	Cotton Mill
Class of Worker	PW
Hours Worked	65
Highest Grade	No 7
1935 Residence	Mass
Birth State	New Jersey
Birth Country	United States
Birthplace (normalized)	new jersey

Model Tree

Linked across censuses

Our Model Tree links John Duffy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

John Duffy

Head · 1940 · age 66 · b. ~1874 · Massachusetts

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Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Bristol-County, Massachusetts Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01574-00264)

Line	Name	Age	Relation	Occupation	Birthplace
1	Alfred Bolton	24	Head	Bottle Washer	Mass
2	Bernice Bolton	25	Wife	—	Mass
3	Frank Lindsey	44	Head	Road Const.	Mass
4	Ethel Lindsey	45	Wife	—	Mass
5	Robert Lindsey	17	Son	—	Mass
6	Winifred C Hiatt	38	Head	—	Mass
7	Rita I Hiatt	14	daughter	—	Mass
8	Cecelia Hiatt	13	daughter	—	Mass
9	John Hiatt	11	son	—	Mass
10	Richard Hiatt	10	son	—	Mass
11	Rose E Hiatt	9	daughter	—	Mass
12	Winifred C Hiatt	4	daughter	—	Mass
13	Joseph Gabbour	54	Head	Weaver	Syria
14	Martha Gabbour	45	Wife	—	Syria
15	Mary Gabbour	24	daughter	—	Mass
16	Ann Gabbour	21	daughter	Sewing	Mass
17	George Gabbour	17	son	Mechanic	Mass
18	Joseph Gabbour	17	son	Spinning	Mass
19	Alice Gabbour	13	daughter	—	Mass
20	George Gabbour	10	son	—	Mass
21	Blara Rouillard	52	Head	—	Mass
22	Wilfred E Rouillard	33	son	Carpenter	Mass
23	Harold Rouillard	12	grandson	—	Mass
24	Charles Lucien	53	Lodger	Fisherman	Rhode Is
25	John H Duffy THIS PERSON	66	Head	Weaver	New Jersey
26	Mary A Duffy	62	Wife	—	Mass
27	Edward Sweeney	39	son in law	Yard Man	Mass
28	Gertrude A Sweeney	30	daughter	—	Mass
29	Joseph Nadeau	55	Head	Loom Fixer	Mass
30	Matilda Nadeau	62	Wife	—	Canada Fr
31	Robert Nadeau	26	son	Laborer	Canada Fr
32	Eugene Bessette	20	nephew	Mechanic	Mass
33	Arthur Bessette	18	nephew	Clerk	Mass
34	Lillian Bessette	15	neice	—	Mass
35	Robert Bessette	14	nephew	—	Mass
36	Henry J Dion	42	Head	Attendant	Mass
37	Adela Dion	42	Wife	—	Mass
38	Annette Dion	19	daughter	—	Mass
39	Beatrice Dion	17	daughter	—	Mass
40	Bernard Dion	15	son	—	Mass

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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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