Edward Duffy — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Kings-County, New York

Our Model Tree links this Edward Duffy across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a head (b.~1899), then head of a 3-person household.

Age 41 b. ~1899 Male Head Born: New York Married

1940 Census Record Details

Census Year	1940
Location	Kings-County, New York
Surname	Duffy
Given Name	Edward
Relationship to Head	head
Sex	M
Color / Race	White
Age	41
Marital Status	Married
Birthplace	New York
1935 Residence (City)	Brooklyn NYC
1935 Residence (County)	Kings
Additional Details
Occupation	Clerk
Industry	brokerage
Class of Worker	PW
Hours Worked	40
Income (1939)	1860
Highest Grade	H 2
1935 Residence	Same house
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Occupation	Clerk
Township / Ward	Brooklyn Nyc
Est. Birth Year	~1899

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 Edward	Age	Birth yr
John Duffy	Son	—	17	~1923
Edward Duffy	Head	—	41	~1899
Jane Duffy	Spouse	—	40	~1900

Census Appearances

1920

Kings, New …

Other, age 21

Kings, New York · implied b. ~1899 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Duffy
Given Name	Edward
Relationship to Head	Nephew
Sex	M
Color / Race	White
Age	21
Marital Status	Single
Birthplace	New York
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Clerk
Industry	Brokers office
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1930

Kings, New …

Head, age 31

Kings, New York · implied b. ~1899 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	DUFFY
Given Name	EDWARD
Relationship to Head	HEAD
Sex	M
Color / Race	White
Age	31
Marital Status	Married
Birthplace	NEW YORK
Age at First Marriage	21
Father's Birthplace	IRELAND
Mother's Birthplace	IRELAND
Occupation	CLERK
Industry	BROKER
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	12,000
Radio Set	R
Veteran	NO
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

Kings-County, New …

Head, age 41

Kings-County, New York · implied b. ~1899 — 3 household members

Surname	Duffy
Given Name	Edward
Relationship to Head	head
Sex	M
Color / Race	White
Age	41
Marital Status	Married
Birthplace	New York
1935 Residence (City)	Brooklyn NYC
1935 Residence (County)	Kings
Occupation	Clerk
Industry	brokerage
Class of Worker	PW
Hours Worked	40
Income (1939)	1860
Highest Grade	H 2
1935 Residence	Same house
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Linked across censuses

Our Model Tree links Edward 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

Edward Duffy

Head · 1940 · age 41 · b. ~1899 · New York

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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 — Kings-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02573-00286)

Line	Name	Age	Relation	Occupation	Birthplace
41	Joan Lowery	14	daughter	—	New York
42	Frederick Lowery	39	head	Accountant	Norway
43	Leonora (X) Lowery	38	wife	—	Illinois
44	Elizabeth Fritsche	61	Companion	—	Germany
45	Velma Manning	22	roomer	Nurse	Camillus
46	William (X) Luyter	40	head	Legal Clerk	New York
47	Stephanie Luyter	42	wife	—	New York
48	William E. Luyter	3	son	—	New York
49	Rose (X) Rock	42	head	Medical Doctor	Poland
50	Josephine (X) Brosseau	40	head	Secretary	New York
51	John Brosseau	16	son	—	New York
52	Josephine Brosseau	15	daughter	—	New York
53	Charles (X) Christiansen	27	head	Accountant	New York
54	Adrienne Christiansen	25	wife	Secretary	New York
55	William (X) Magatti	31	head	Collection Clerk	New York
56	Catherine Magatti	33	wife	Clerk	New York
57	Nathan Oates	46	head	Owner	Russia
58	Freda (X) Oates	40	wife	—	Russia
59	Edythe Oates	20	daughter	Bookkeeper	Russia
60	Eleanor Oates	14	daughter	—	New York
61	Alexander Hamilton	31	head	Meter Tester	New York
62	Mary Hamilton	28	wife	—	New York
63	Andrew Hayton	39	head	Machine Foreman	Scotland
64	Mabel (X) Hayton	47	wife	—	New York
65	Eric Phallen	45	head	Insurance Clerk	New York
66	Martha Phallen	41	wife	Elliott Fisher Operator	New York
67	James Twohey	40	head	Machinist	Canada
68	Gladys (X) Twohey	33	wife	—	New York
69	Victor (X) Bauwens	53	head	Steam Fitter	Belgium
70	Jennie Bauwens	43	wife	—	Belgium
71	Juliette Van Heuven	83	mother	—	Belgium
72	Elizabeth Hogan	58	head	—	Eire
73	William Fitzgerald	41	nephew	Salesman	England
74	Edward Fitzgerald	29	nephew	Salesman	New York
75	Brendan Furlong	29	Cousin	Clerk	Eire
76	Edward Duffy THIS PERSON	41	head	Clerk	New York
77	Jane (X) Duffy	40	wife	—	New York
78	John Duffy	17	son	—	New York
79	George Lawson	45	head	Apprentice	New York
80	Thelma (X) Lawson	45	wife	—	Sweden

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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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