Margaret Gallagher — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Margaret Gallagher across the 1920, 1930 and 1940 US Censuses in Nassau-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1874), then head of a 6-person household.

Age 66 b. ~1874 Female Spouse Born: Ireland Married

1940 Census Record Details

Census Year	1940
Location	Nassau-County, New York
Surname	Gallagher
Given Name	Margaret
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	66
Marital Status	Married
Birthplace	Ireland
1935 Residence (City)	Hempstead
1935 Residence (County)	Nassau
Naturalization Status	Naturalized
Additional Details
Highest Grade	No 8
1935 Residence	Same place
Birth Country	Ireland
Birthplace (normalized)	ireland
Township / Ward	Hempstead
Est. Birth Year	~1874

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 Margaret	Age	Birth yr
Mae Gallagher	Daughter	—	39	~1901
Agnes Gallagher	Daughter	—	35	~1905
Margaret Gallagher	Daughter	—	27	~1913
James Gallagher	Head	—	64	~1876
Joseph Gallagher	Son	—	34	~1906
Margaret Gallagher	Spouse	—	66	~1874

Census Appearances

1920

Kings, New …

Spouse, age 45

Kings, New York · implied b. ~1875 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Gallagher
Given Name	Margaret
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	45
Marital Status	Married
Birthplace	Ireland
Year of Immigration	1900
Naturalization Status	Alien
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Birth Country	Ireland
Birthplace (normalized)	ireland

1930

Manhattan, New …

Spouse, age 55

Manhattan, New York · implied b. ~1875 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Gallagher
Given Name	Margaret
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	55
Marital Status	Married
Birthplace	Ireland
Naturalization Status	Naturalized
Year of Immigration	1900
Age at First Marriage	30
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read/Write	Yes
Mother Tongue	English
Birth Country	Ireland
Birthplace (normalized)	ireland

1940

Nassau-County, New …

Spouse, age 66

Nassau-County, New York · implied b. ~1874 — 6 household members

Surname	Gallagher
Given Name	Margaret
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	66
Marital Status	Married
Birthplace	Ireland
1935 Residence (City)	Hempstead
1935 Residence (County)	Nassau
Naturalization Status	Naturalized
Highest Grade	No 8
1935 Residence	Same place
Birth Country	Ireland
Birthplace (normalized)	ireland

Model Tree

Linked across censuses

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

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This person

Anchor record

Margaret Gallagher

Spouse · 1940 · age 66 · b. ~1874 · 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 — Nassau-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02685-00488)

Line	Name	Age	Relation	Occupation	Birthplace
1	James Gallagher	64	Head	Admin Clerk	New York
2	Margaret Gallagher THIS PERSON	66	Wife	—	Ireland
3	Mae C. Gallagher	39	Daughter	Secretary	New York
4	Agnes Gallagher	35	Daughter	Bookkeeper	New York
5	Joseph Gallagher	34	Son	Lawyer	New York
6	Margaret Gallagher	27	Daughter	Payroll Sect.	New York
7	Louis Altshuler	57	Head	Store Keeper	Austria
8	Rose Altshuler	55	Wife	—	Romania
9	Morris Altshuler	26	Son	Storekeeper	New York
10	Martin Altshuler	21	Son	Storekeeper	New York
11	James Nolan	58	Head	Librarian	New York
12	Katherine Nolan	56	Wife	—	New York
13	James Jr. Nolan	24	Son	Adjuster	New York
14	William Nolan	20	Son	—	New York
15	Virginia Nolan	16	Daughter	—	New York
16	Joseph Motta	51	Head	Store Keeper	Italy
17	Bianca Motta	45	Wife	Store Keeper	Italy
18	Charlotte Motta	15	Daughter	—	New York
19	William A. Siegel	27	Son-in-law	Policeman	New York
20	Ada Siegel	24	Daughter	—	New York
21	Natale Asado	44	Head	Waiter	Italy
22	Mary Asado	46	Wife	—	Italy
23	Elsie Asado	18	Daughter	Secretary	New York
24	Anna Asado	16	Daughter	—	New York
25	John Bianchina	45	Head	Bartender	Italy
26	Adelyn Bianchina	37	Wife	Dressmaker	Algeria
27	Edward Bianchina	7	Son	—	New York
28	William Mcmahon	55	Head	Clerk	New York
29	Katherine Mcmahon	53	Wife	—	New Jersey
30	Charles V. Helms	42	Head	Salesman	New York
31	Mary E. Helms	36	Wife	—	New York
32	Kenneth V. Helms	19	Son	—	New York
33	Marjorie E. Helms	8	Daughter	—	New York
34	Anna A. Powell	81	Aunt	—	New York
35	Vere Ruffin	41	Head	Airplane	Kansas
36	Dorothy Ruffin	39	Wife	—	Indiana
37	Vere Jr. Ruffin	20	Son	Inspector	Indiana
38	Richard Ruffin	19	Son	Stock Clerk	Ohio
39	Ila Jean Ruffin	17	Daughter	—	Ohio
40	Robert Ruffin	16	Son	—	Ohio

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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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