Mary Corcoran — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Corcoran across the 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed) — first a head (b.~1881), then head of a 7-person household.

Age 59 b. ~1881 Female Head Born: Irish Free State Widowed

1940 Census Record Details

Census Year	1940
Location	New-York-County, New York
Surname	Corcoran
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	59
Marital Status	Widowed
Birthplace	Irish Free State
1935 Residence (City)	New York
1935 Residence (County)	New York
Naturalization Status	Naturalized
Additional Details
Class of Worker	0
Highest Grade	No 8
1935 Residence	Same place
Birthplace (normalized)	irish free state
Township / Ward	New York
Est. Birth Year	~1881

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 Mary	Age	Birth yr
Francis Henry	Other	—	35	~1905
Catherine Corcoran	Daughter	—	32	~1908
Francis Corcoran	Son	—	25	~1915
Joan Henry	Daughter	—	6	~1934
Mary Corcoran	Head	—	59	~1881
William Corcoran	Son	—	30	~1910
Mary Henry	Daughter	—	35	~1905

Census Appearances

1930

Bronx, New …

Other, age 47

Bronx, New York · implied b. ~1883 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Corcoran
Given Name	Mary
Relationship to Head	Wife-H
Sex	F
Color / Race	White
Age	47
Marital Status	Married
Birthplace	Irish Free State
Naturalization Status	Naturalized
Year of Immigration	1903
Age at First Marriage	23
Father's Birthplace	Irish Free State
Mother's Birthplace	Irish Free State
Can Read/Write	Yes
Mother Tongue	English
Birthplace (normalized)	irish free state

1940

New-York-County, New …

Head, age 59

New-York-County, New York · implied b. ~1881 — 7 household members

Surname	Corcoran
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	59
Marital Status	Widowed
Birthplace	Irish Free State
1935 Residence (City)	New York
1935 Residence (County)	New York
Naturalization Status	Naturalized
Class of Worker	0
Highest Grade	No 8
1935 Residence	Same place
Birthplace (normalized)	irish free state

Model Tree

Linked across censuses

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

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This person

Anchor record

Mary Corcoran

Head · 1940 · age 59 · b. ~1881 · 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 — New-York-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02674-00248)

Line	Name	Age	Relation	Occupation	Birthplace
41	Stephen Jr Nolan	3	Son	—	New York
42	Mary J Nolan	3	Daughter	—	New York
43	Margaret Manley	50	Head	Registered Nurse	New York
44	Nellie Manley	58	Sister	—	Pennsylvania
45	Anthony Pensovecchio	29	Head	Salesman	Italy
46	Mildred Pensovecchio	25	Wife	—	New York
47	George Pensovecchio	2	Son	—	New York
48	George J Stratton	61	Partner	Keeper	Minnesota
49	Louise Stratton	60	Partner's Wife	Jr. Forewoman	New York
50	Abraham Lelia	53	Head	Milliner	Russia
51	Frances Lelia	46	Wife	Saleslady	New York
52	Edith Lelia	15	Daughter	—	New York
53	Dora Lipschultz	69	Mother-in-law	—	Russia
54	George Lipschultz	29	Brother-in-law	Taxi Driver	New York
55	Mary Corcoran THIS PERSON	59	Head	—	Irish Free State
56	Catherine Corcoran	32	Daughter	Telephone Operator	New York
57	William Corcoran	30	Son	Manager	New York
58	Francis Corcoran	25	Son	Waiter	New York
59	Francis Henry	35	Son-in-law	Laborer	New York
60	Mary Henry	35	Daughter	—	New York
61	Joan Henry	6	Daughter	—	New York
62	Patrick Manning	48	Head	Policeman	Irish Free State
63	Peter Manning	16	Son	—	New York
64	William Manning	15	Son	—	New York
65	Anna Mcinerney	45	Servant	Servant	Irish Free State
66	Herbert Mccready	56	Head	Auditor	Maryland
67	Grace Mccready	53	Wife	—	Minnesota
68	Jane Mccready	21	Daughter	Sales Clerk	Minnesota
69	Erik Hartman	39	Lodger	Receiving Clerk	Germany
70	John Longiaru	53	Head	Violin Maker & Repairer	Italy
71	Ida Longiaru	55	Wife	—	New York
72	Alfiero Longiaru	26	Son	Clerk	New York
73	Lucian Longiaru	23	Son	Litho-Photographer	New York
74	Joseph Kratz	38	Head	Cabinet-Maker	Germany
75	Adele Kratz	35	Wife	—	Germany
76	Estelle E Kratz	14	Daughter	—	New Jersey
77	Ralph Kratz	11	Son	—	New Jersey
78	William K Piepho	46	Head	Butcher	Germany
79	Anna Piepho	44	Wife	—	Germany
80	Karl Piepho	18	Son	New Worker	Germany

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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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