Mary Callahan — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Callahan across the 1920, 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 6-person household.

Age 48 b. ~1892 Female Spouse Born: Ireland Married

1940 Census Record Details

Census Year	1940
Location	New-York-County, New York
Surname	Callahan
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	48
Marital Status	Married
Birthplace	Ireland
1935 Residence (City)	Manhattan
1935 Residence (County)	New York
Naturalization Status	Naturalized
Additional Details
Occupation	0
Class of Worker	0
Highest Grade	C 8
1935 Residence	Same place
Birth Country	Ireland
Birthplace (normalized)	ireland
Occupation	0
Township / Ward	Manhattan
Est. Birth Year	~1892

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.

6 people recorded at the same address in the 1940 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
Patricia Callahan	Daughter	—	15	~1925
Margaret Callahan	Daughter	—	12	~1928
Catherine Callahan	Daughter	—	13	~1927
Patrick Callahan	Head	—	55	~1885
Matthew Callahan	Son	—	10	~1930
Mary Callahan	Spouse	—	48	~1892

Census Appearances

1920

New York, …

Other, age 28

New York, New York · implied b. ~1892 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Callahan
Given Name	Mary
Relationship to Head	servant
Sex	F
Color / Race	White
Age	28
Marital Status	Single
Birthplace	Ireland
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	maid
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Birth Country	Ireland
Birthplace (normalized)	ireland

1930

New York, …

Other, age 40

New York, New York · implied b. ~1890 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Calahan
Given Name	Mary
Relationship to Head	Wife-H
Sex	F
Color / Race	White
Age	40
Marital Status	Married
Birthplace	Ireland
Naturalization Status	Naturalized
Year of Immigration	1911
Age at First Marriage	27
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	none
Can Read/Write	Yes
Mother Tongue	English
Birth Country	Ireland
Birthplace (normalized)	ireland

1940

New-York-County, New …

Spouse, age 48

New-York-County, New York · implied b. ~1892 — 6 household members

Surname	Callahan
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	48
Marital Status	Married
Birthplace	Ireland
1935 Residence (City)	Manhattan
1935 Residence (County)	New York
Naturalization Status	Naturalized
Occupation	0
Class of Worker	0
Highest Grade	C 8
1935 Residence	Same place
Birth Country	Ireland
Birthplace (normalized)	ireland

Model Tree

Linked across censuses

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

Show:

This person

Anchor record

Mary Callahan

Spouse · 1940 · age 48 · b. ~1892 · New York

★ You are viewing this record

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

37 people indexed on this census page (nara:1940:m-t0627-02635-00630)

Line	Name	Age	Relation	Occupation	Birthplace
41	Patrick Callahan	55	Head	Carpenter	Ireland
42	Mary Callahan THIS PERSON	48	Wife	0	Ireland
43	Patricia Callahan	15	Daughter	—	New York
44	Catherine Callahan	13	Daughter	—	New York
45	Margaret Callahan	12	Daughter	—	New York
46	Matthew Callahan	10	Son	—	New York
47	Mario Ortiz	38	Head	Tailor	Argentina
48	Felipa Ortiz	31	Sister	0	Argentina
49	Thomas Meehan	38	Head	Fireman	Ireland
50	Hugh Meehan	37	Brother	Handyman	Ireland
51	Hugh Mcgovern	24	Head	0	Ireland
52	Patrick Mcbride	45	Head	Plat Foreman	Ireland
53	Jack Sullivan	31	Head	Setter	Ireland
54	Mary Sullivan	30	Wife	0	Ireland
55	Joseph Meroff	41	Head	Baker	Russia
56	Jack Meroff	20	Brother	0	New York
57	Henry Wildman	50	Head	Med. Dept.	New York
58	Alicia Wildman	44	Wife	0	New York
59	George Herring	22	Cook	Cook	No. Carol
60	Emile Krause	34	Lodger	Bartender	Germany
63	Elizabeth Johnson	31	Head	Switchboard	South Carolina
64	Irene Baldacello	20	Head	0	New York
65	Mario Baldacello	30	Husband	Mechanic	Italy
66	Juan Choudrue	73	Head	Manager	Virginia
67	Nona Choudrue	65	Wife	Manager	Virginia
68	Walter H. Choudrue	37	Son	Electrician	Virginia
69	Bertha Blierness	55	Head	Waitress	Germany
70	Bessie Newman	33	Head	Maid	Austria
71	Lewis Joverbe	50	Head	Salesman	Pennsylvania
72	Consuello Joverbe	40	Wife	0	Puerto Rico
73	Lillian Field	60	Head	0	Germany
74	John Wagner	55	Head	Chef	Germany
75	Jessie Williams	50	Head	Clerk	New York
76	Yoshitomi Nomi	48	Head	Merchant	Japan
77	Cecelia Nomi	50	Wife	0	Germany
78	David Nomi	13	Son	—	New York
79	Rita Nomi	13	Daughter	—	New York

Search for Mary Callahan

All Mary Callahan Census Records Discover Callahan Family Tree

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)

Report inaccurate data