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Edward Duffy — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · Rensselaer, New York

Our Model Tree links this Edward Duffy across the 1930 and 1940 US Censuses in Rensselaer, New York (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 14-person household.

Age 8 b. ~1922 Male Son Born: New York Single

1930 Census Record Details

Census Year	1930
Location	Rensselaer, New York
Surname	Duffy
Given Name	Edward
Relationship to Head	Son
Sex	M
Color / Race	White
Age	8
Marital Status	Single
Birthplace	New York
Father's Birthplace	New York
Mother's Birthplace	New York
Additional Details
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Township / Ward	Troy City
Est. Birth Year	~1922

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.

14 people recorded at the same address in the 1930 census.

Name	Relation to head	Relative to Edward	Age	Birth yr
Thomas Duffy	Son	—	14	~1916
Madeline Duffy	Daughter	—		~1930
Catherine Duffy	Daughter	—	4	~1926
Francis Duffy	Son	—	12	~1918
James Duffy	Son	—	18	~1912
Joseph Duffy	Son	—	10	~1920
William Duffy	Son	—	6	~1924
Edward Duffy	Son	—	8	~1922
Mary Duffy	Spouse	—	45	~1885
James Duffy	Head	—	45	~1885
Robert Duffy	Son	—	2	~1928
Elizabeth Duffy	Daughter	—		~1930
Margaret Duffy	Daughter	—	16	~1914
Arthur Duffy	Son	—	1	~1929

Census Appearances

1930

Rensselaer, New …

Son, age 8

Rensselaer, New York · implied b. ~1922 — 14 household members

Surname	Duffy
Given Name	Edward
Relationship to Head	Son
Sex	M
Color / Race	White
Age	8
Marital Status	Single
Birthplace	New York
Father's Birthplace	New York
Mother's Birthplace	New York
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

Rensselaer-County, New …

Son, age 19

Rensselaer-County, New York · implied b. ~1921

● Primary link · ~Confirmed · 1 source

XGBoost

Surname	Duffy
Given Name	Edmund J.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	19
Marital Status	Single
Birthplace	New York
1935 Residence (City)	City of Troy
Occupation	0
Class of Worker	0
Highest Grade	C 1
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Linked across censuses

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

Show:

This person

Anchor record

Edward Duffy

Son · 1930 · age 8 · b. ~1922 · New York

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Sibling

Catherine Duffy

Sibling · 1930 · age 4

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Elizabeth Duffy

Sibling · 1930 · age

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Thomas Duffy

Sibling · 1930 · age 14

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Francis Duffy

Sibling · 1930 · age 12

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Margaret Duffy

Sibling · 1930 · age 16

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

William Duffy

Sibling · 1930 · age 6

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Madeline Duffy

Sibling · 1930 · age

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

James Duffy

Sibling · 1930 · age 18

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Arthur Duffy

Sibling · 1930 · age 1

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Joseph Duffy

Sibling · 1930 · age 10

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Robert Duffy

Sibling · 1930 · age 2

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

1930 US Federal Census — Rensselaer, New York Open full size

Page Contents

50 people indexed on this census page (ia:1930:newyorkcensus00reel1639:0706)

Line	Name	Age	Relation	Occupation	Birthplace
51	Alfred Montague	33	Son-in-law	Chef	Massachusetts
52	Thomas H Powers	39	Head	Clerk	New York
53	Rose Powers	35	Wife	—	New York
54	Thomas W Powers	12	Son	—	New York
55	Francis J Powers	11	Son	—	New York
56	James L Powers	9	Son	—	New York
57	John J Powers	5	Son	—	New York
58	James W Powers	3	Daughter	—	New York
59	Annie Powers	62	Mother	—	Ireland
60	Marion Powers	23	Sister	Price Clerk	New York
61	Cecelia Lashway	40	Sister-in-law	Price Clerk	New York
62	Edward Lashway	18	Nephew	—	New York
63	Margaret Lumas	32	Sister-in-law	—	New York
64	Agnes Lumas	30	Sister-in-law	Telephone Operator	New York
65	John Crowe	42	Head	—	Ireland
66	Mary Crowe	42	Wife	—	Ireland
67	John Crowe	12	Son	—	New York
68	Edward Crowe	10	Son	—	New York
69	Mary Crowe	8	Daughter	—	New York
70	Catherine Crowe	5	Daughter	—	New York
71	Margaret Crowe	3	Daughter	—	New York
72	Helen Crowe	1	Daughter	—	New York
73	Theresa Crowe	0	Daughter	—	New York
74	Catherine Crowe	65	Mother-in-law	—	Ireland
75	James Duffy	45	Head	Painter	New York
76	Mary Duffy	45	Wife	—	New York
77	James Duffy	18	Son	General Office	New York
78	Margaret Duffy	16	Daughter	Rooming House	New York
79	Thomas Duffy	14	Son	—	New York
80	Francis Duffy	12	Son	—	New York
81	Joseph Duffy	10	Son	—	New York
82	Edward Duffy THIS PERSON	8	Son	—	New York
83	William Duffy	6	Son	—	New York
84	Catherine Duffy	4	Daughter	—	New York
85	Robert Duffy	2	Son	—	New York
86	Arthur Duffy	1	Son	—	New York
87	Elizabeth Duffy	0	Daughter	—	New York
88	Madeline Duffy	0	Daughter	—	New York
89	James Duffy	32	Head	—	New York
90	Mary Duffy	30	Wife	—	New York
91	James Duffy	10	Son	—	New York
92	Rose Duffy	8	Daughter	—	New York
93	Mary Duffy	6	Daughter	—	New York
94	Catherine Duffy	4	Daughter	—	New York
95	Helen Duffy	2	Daughter	—	New York
96	Elizabeth Duffy	1	Daughter	—	New York
97	John Duffy	0	Son	—	New York
98	Joseph Duffy	0	Son	—	New York
99	Frank Duffy	0	Son	—	New York
100	Frank Duffy	35	Head	—	New York

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1930 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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