Mary Madden — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Madden across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a head (b.~1868), then head of a 3-person household.

Age 72 b. ~1868 Female Head Born: Ireland Widowed

1940 Census Record Details

Census Year	1940
Location	Kings-County, New York
Surname	Madden
Given Name	Mary C.
Relationship to Head	Head
Sex	F
Color / Race	White
Age	72
Marital Status	Widowed
Birthplace	Ireland
1935 Residence (City)	New York City
1935 Residence (County)	Kings
Naturalization Status	Naturalized
Additional Details
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same Place
Birth Country	Ireland
Birthplace (normalized)	ireland
Township / Ward	New York City
Est. Birth Year	~1868

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 Mary	Age	Birth yr
Mary Madden	Head	—	72	~1868
Alton O'Neill	Son	—	12	~1928
Helen O'Neill	Daughter	—	33	~1907

Census Appearances

1920

Kings, New …

Spouse, age 54

Kings, New York · implied b. ~1866 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Madden
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	54
Marital Status	Married
Birthplace	Ireland
Year of Immigration	1885
Naturalization Status	Naturalized
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Birth Country	Ireland
Year of Naturalization	1892
Birthplace (normalized)	ireland

1930

Kings, New …

Spouse, age 62

Kings, New York · implied b. ~1868 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Madden
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	62
Marital Status	Married
Birthplace	Ireland
Naturalization Status	Naturalized
Year of Immigration	1884
Age at First Marriage	19
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read/Write	Yes
Mother Tongue	English
Birth Country	Ireland
Birthplace (normalized)	ireland

1940

Kings-County, New …

Head, age 72

Kings-County, New York · implied b. ~1868 — 3 household members

Surname	Madden
Given Name	Mary C.
Relationship to Head	Head
Sex	F
Color / Race	White
Age	72
Marital Status	Widowed
Birthplace	Ireland
1935 Residence (City)	New York City
1935 Residence (County)	Kings
Naturalization Status	Naturalized
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same Place
Birth Country	Ireland
Birthplace (normalized)	ireland

Model Tree

Linked across censuses

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

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This person

Anchor record

Mary Madden

Head · 1940 · age 72 · b. ~1868 · 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-t0627-02612-00665)

Line	Name	Age	Relation	Occupation	Birthplace
41	Sissie Sobel	49	Wife	—	England
42	Eddie Sobel	24	Son	Floor-Boy	Germany
43	Sylvia Sobel	20	Daughter	Typist	Germany
44	Harry Bodin	64	Head	Proprietor	Russia
45	Minnie Bodin	52	Wife	—	Austria
46	Ray Burt	46	Lodger	Chemist	NY
47	Stella Burt	46	Lodger	—	Pa
48	Le Roy Burt	18	Lodger	—	Va
49	Wilma Almida	22	Lodger	Maid	Va
50	Joseph White	40	Lodger	Waiter	NY
51	John Goff	35	Lodger	Draftsman	NY
52	Gladys Goff	29	Lodger	—	NY
53	Robert Goff	5	Lodger	—	NY
54	Betty White	35	Lodger	—	NY
55	Samuel Gordon	42	Lodger	Waiter	NY
56	Harris L. Reynolds	45	Lodger	Window-Cleaner	NY
57	Harry Wankin	57	Lodger	—	Russia
58	Charlotte Wankin	53	Lodger	—	Germany
59	Mary C. Madden THIS PERSON	72	Head	—	Ireland
60	Helen O'Neill	33	Daughter	Stenographer	NY
61	Alton O'Neill	12	Son	—	NY
62	Jacob Bolotoff	56	Head	Messenger	Russia
63	Leah Bolotoff	56	Wife	—	Russia
64	Joel Bolotoff	12	Son	—	NY
65	Edmund Brown	63	Head	—	NY
66	Alma L. Brown	45	Wife	—	Maine
67	Lester J. Kurzweil	27	Head	Attorney	NY
68	Lenora Kurzweil	26	Wife	—	NY
69	Samuel Sugal	30	Head	Proprietor	NY
70	Ada Sugal	25	Wife	Helper	NY
71	Jack Diamond	36	Head	Salesman	Roumania
72	Ruth Diamond	34	Wife	Dress-Maker	Poland
73	John J. Reilly	59	Head	Engineer	NY
74	Elizabeth Reilly	59	Wife	Superintendent	Scotland
75	James D. Reilly	29	Son	Ticket-Clerk	NY
76	Elizabeth Reilly	21	Daughter	Operator	NY
77	Thomas Reilly	16	Son	—	NY
78	Samuel B. Rosan	35	Head	Salesman	Can-Eng
79	Gertrude Rosan	34	Wife	—	N.Y.C.
80	Joel Rosan	0	Son	—	N.Y.C.

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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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