John Callahan — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this John Callahan across the 1920, 1930 and 1940 US Censuses in Bronx-County, New York (XGBoost, ~Confirmed) — first a head (b.~1872), then head of a 4-person household.

Age 68 b. ~1872 Male Head Born: Ireland Married

1940 Census Record Details

Census Year	1940
Location	Bronx-County, New York
Surname	Callahan
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	68
Marital Status	Married
Birthplace	Ireland
1935 Residence (City)	Bronx
1935 Residence (County)	Bronx
Naturalization Status	Naturalized
Additional Details
Occupation	Ticket Agent
Industry	Third Ave Co
Class of Worker	PW
Hours Worked	0
Income (1939)	210
Highest Grade	H 2
1935 Residence	Same Place Bronx
Birth Country	Ireland
Birthplace (normalized)	ireland
Occupation	Ticket Agent
Township / Ward	New York City
Est. Birth Year	~1872

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.

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

Name	Relation to head	Relative to John	Age	Birth yr
Katherine Callahan	Daughter	—	28	~1912
John Callahan	Head	—	68	~1872
Thomas Callahan	Son	—	24	~1916
Elizabeth Callahan	Spouse	—	65	~1875

Census Appearances

1920

New York, …

Other, age 53

New York, New York · implied b. ~1867 — 50 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Callahan
Given Name	John
Relationship to Head	Employee
Sex	M
Color / Race	White
Age	53
Marital Status	Widowed
Birthplace	Ireland
Year of Immigration	1880
Naturalization Status	Naturalized
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Attendant
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Birth Country	Ireland
Year of Naturalization	1887
Birthplace (normalized)	ireland

1930

New York, …

Other, age 63

New York, New York · implied b. ~1867 — 50 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Callahan
Given Name	John
Relationship to Head	Lodger
Sex	M
Color / Race	White
Age	63
Marital Status	Divorced
Birthplace	Ireland
Naturalization Status	Alien
Year of Immigration	1900
Age at First Marriage	20
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Kitchen
Industry	Restaurant
Class of Worker	W
Can Read/Write	Yes
Mother Tongue	Irish
Birth Country	Ireland
Birthplace (normalized)	ireland

1940

Bronx-County, New …

Head, age 68

Bronx-County, New York · implied b. ~1872 — 4 household members

Surname	Callahan
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	68
Marital Status	Married
Birthplace	Ireland
1935 Residence (City)	Bronx
1935 Residence (County)	Bronx
Naturalization Status	Naturalized
Occupation	Ticket Agent
Industry	Third Ave Co
Class of Worker	PW
Hours Worked	0
Income (1939)	210
Highest Grade	H 2
1935 Residence	Same Place Bronx
Birth Country	Ireland
Birthplace (normalized)	ireland

Model Tree

Linked across censuses

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

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This person

Anchor record

John Callahan

Head · 1940 · age 68 · b. ~1872 · 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 — Bronx-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02496-00596)

Line	Name	Age	Relation	Occupation	Birthplace
41	Bertha Hovagim	40	Wife	—	Russia
42	Abe Hovagim	11	Son	—	N.Y.C.
43	Harriet Hovagim	8	Daughter	—	N.Y.C.
44	Leo Norton	48	Head	Prop	Russia
45	Rose Norton	35	Wife	—	Russia
46	Sonia Norton	7	Daughter	—	N.Y.C.
47	Mary Tartar	68	Mother-in-law	—	Turkey
48	John Callahan THIS PERSON	68	Head	Ticket Agent	Ireland
49	Elizabeth Callahan	65	Wife	—	Ireland
50	Katherine Callahan	28	Daughter	Cashier	N.Y.C.
51	Thomas Callahan	24	Son	Salesman	N.Y.C.
52	Joseph Salkin	40	Head	Trucker	Russia
53	Bessie Salkin	38	Wife	—	Romania
54	Evelyn Salkin	12	Daughter	—	N.Y.C.
55	Norma Salkin	17	Daughter	—	N.Y.C.
56	Hyman Leichter	48	Head	Pattern Maker	Austria
57	Minnie Leichter	43	Wife	—	N.Y.C.
58	Pearl Leichter	19	Daughter	Clerical	N.Y.C.
59	Muriel Leichter	14	Daughter	—	N.Y.C.
60	Harvey Leichter	7	Son	—	N.Y.C.
61	David Klapper	39	Head	Auditor	N.Y.C.
62	Shirley Klapper	33	Wife	—	N.Y.C.
63	Audrey Klapper	9	Daughter	—	N.Y.C.
64	Barbara Klapper	7	Daughter	—	N.Y.C.
65	Harry Shirsky	41	Head	Paper Cutter	Russia
66	Sarah Shirsky	41	Wife	—	England
67	Morris Shirsky	20	Son	Cutting	Brooklyn
68	Israel Bram	54	Head	Salesman	Austria
69	Henrietta Bram	51	Wife	—	Russia
70	Joseph Bram	28	Son	Shipping Clerk	Belgium
71	Murray Bram	18	Son	—	N.Y.C.
72	John Hrushelek	49	Head	Superintendent	Austria
73	Frances Hrushelek	46	Wife	Matron	Austria
74	Ignatius Hrushelek	22	Son	Draftsman	Conn.
75	Michael Hrushelek	17	Son	—	New Jersey
76	Charles Wolff	38	Head	Car Trader	New York
77	Lee Wolff	38	Wife	—	Russia
78	Marvin Wolff	13	Son	—	New York
79	Alice Wolff	5	Daughter	—	New York
80	Rebecca Vogel	60	Head	—	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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