Margaret Callahan — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Margaret Callahan across the 1920, 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed) — first a head (b.~1876), then head of a 3-person household.

Age 64 b. ~1876 Female Head Born: New York Married

1940 Census Record Details

Census Year	1940
Location	New-York-County, New York
Surname	Callahan
Given Name	Margaret
Relationship to Head	Head
Sex	F
Color / Race	White
Age	64
Marital Status	Married
Birthplace	New York
1935 Residence (City)	New York City
1935 Residence (County)	New York
Additional Details
Income (1939)	0
Highest Grade	8
1935 Residence	Same Place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Township / Ward	New York City
Est. Birth Year	~1876

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 Margaret	Age	Birth yr
Mary Reilly	Other	—	67	~1873
Jennie Callahan	Daughter	—	29	~1911
Margaret Callahan	Head	—	64	~1876

Census Appearances

1920

New York, …

Spouse, age 42

New York, New York · implied b. ~1878 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Callahan
Given Name	Margaret
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	42
Marital Status	Married
Birthplace	New York
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1930

New York, …

Spouse, age 53

New York, New York · implied b. ~1877 — 11 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Callahan
Given Name	Margaret
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	53
Marital Status	Married
Birthplace	New York
Age at First Marriage	22
Father's Birthplace	Irish Free State
Mother's Birthplace	Irish Free State
Can Read/Write	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

New-York-County, New …

Head, age 64

New-York-County, New York · implied b. ~1876 — 3 household members

Surname	Callahan
Given Name	Margaret
Relationship to Head	Head
Sex	F
Color / Race	White
Age	64
Marital Status	Married
Birthplace	New York
1935 Residence (City)	New York City
1935 Residence (County)	New York
Income (1939)	0
Highest Grade	8
1935 Residence	Same Place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Linked across censuses

Our Model Tree links Margaret 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

Margaret Callahan

Head · 1940 · age 64 · b. ~1876 · 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-t0627-02658-00203)

Line	Name	Age	Relation	Occupation	Birthplace
41	Carl Baumgarten	51	Head	Bld Supt	Hungary
42	Irene Baumgarten	41	Wife	—	Hungary
43	Jessie Rosenthal	25	Nephew	—	New York
44	Michael Missere	35	Head	Waiter	New York
45	Mary Missere	31	Wife	Cashier	New York
46	Robert Missere	4	Son	—	New York
47	John Missere	5	Daughter	—	New York
48	Hattie Wershoff	55	Head	—	Germany
49	Hattie Mahler	76	Partner	—	New York
50	Catherine O'Connell	61	Head	—	New York
51	Catherine Gow	60	Head	—	New York
52	Mabel Behnke	42	Head	Dressmaker	New York
53	Peter Behnke	40	Husband	Truck Driver	New York
54	Helen Behnke	21	Daughter	Helper	New York
55	Elizabeth Behnke	15	Daughter	Typist	New York
56	Ethel Behnke	9	Daughter	—	New York
57	George Morrison	67	Head	—	Vermont
58	Gertrude Morrison	64	Wife	Master Car	Vermont
59	Edward Morrison	22	Son	—	New York
60	Bridget Mcsweeney	57	Head	Electrician Helper	Eire
61	William Mcsweeney	31	Son	—	New York
62	Margaret Mcsweeney	29	Daughter	Steamfitter	New York
63	Lillian Mcsweeney	27	Daughter	Receptionist	New York
64	Dennis Mcsweeney	20	Son	Clerk	New York
65	Fred Karnelutti	57	Head	New Worker	Austria
66	Elsie Karnelutti	52	Wife	Machinist	Germany
67	Adolf Koldatit	38	Lodger	—	New York
68	John Betz	27	Head	Steamfitter	New York
69	Julia Betz	27	Wife	Receiver	New York
70	Ann Marie Betz	2	Daughter	—	New York
71	Margaret Callahan THIS PERSON	64	Head	—	New York
72	Jennie Callahan	29	Daughter	—	New York
73	Mary Reilly	67	Sister	Bill Clerk	New York
74	Frank Jaeger	64	Head	—	New York
75	Sadie Jaeger	49	Wife	—	New York
76	Teresa Ulrich	71	Head	—	Germany
77	Walter Ulrich	42	Son	—	New York
78	Francis Walls	37	Head	Doorman	New York
79	Carl Walls	38	Husband	Samplemaker	New York
80	Joseph Walls	2	Son	—	New York

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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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