Mary Brennan — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · New York, New York

Our Model Tree links this Mary Brennan across the 1920, 1930 and 1940 US Censuses in New York, New York (XGBoost, ~Confirmed) — first a spouse (b.~1878), then head of a 3-person household.

Age 52 b. ~1878 Female Spouse Born: Ireland Married

1930 Census Record Details

Census Year	1930
Location	New York, New York
Surname	Brennan
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	52
Marital Status	Married
Birthplace	Ireland
Naturalization Status	Naturalized
Year of Immigration	1915
Age at First Marriage	32
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Additional Details
Occupation	none
Can Read/Write	Yes
Mother Tongue	English
Birth Country	Ireland
Birthplace (normalized)	ireland
Township / Ward	New York City
Est. Birth Year	~1878

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 1930 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
Valentine Brennan	Head	—	48	~1882
John Brennan	Son	—	5	~1925
Mary Brennan	Spouse	—	52	~1878

Census Appearances

1920

New York, …

Spouse, age 44

New York, New York · implied b. ~1876 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Brennan
Given Name	Mary
Relationship to Head	wife
Sex	F
Color / Race	White
Age	44
Marital Status	Married
Birthplace	Ireland
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	LC
Birth Country	Ireland
Birthplace (normalized)	ireland

1930

New York, …

Spouse, age 52

New York, New York · implied b. ~1878 — 3 household members

Surname	Brennan
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	52
Marital Status	Married
Birthplace	Ireland
Naturalization Status	Naturalized
Year of Immigration	1915
Age at First Marriage	32
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 62

New-York-County, New York · implied b. ~1878 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Brennan
Given Name	Margaret
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	62
Marital Status	Married
Birthplace	Ireland
1935 Residence (City)	New York City
1935 Residence (County)	New York
Naturalization Status	Naturalized
Hours Worked	0
Income (1939)	0
Highest Grade	H 4
1935 Residence	Same house
Birth Country	Ireland
Birthplace (normalized)	ireland

Model Tree

Linked across censuses

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

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This person

Anchor record

Mary Brennan

Spouse · 1930 · age 52 · b. ~1878 · New York

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Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1930 US Federal Census — New York, New York Open full size

Page Contents

50 people indexed on this census page (ia:1930:newyorkcensus00reel1560:0132)

Line	Name	Age	Relation	Occupation	Birthplace
1	Lotta Fontaine	55	Head	Dressmaker	Germany
2	Lorena Fontaine	14	Daughter	None	New York
3	Martha Fontaine	13	Daughter	None	New York
4	John M. Holly	65	Head	Conductor	New York
5	Frank Centabano	24	Head	Detective	New York
6	May Centabano	27	Wife	None	New York
7	Marie Centabano	3	Daughter	None	New York
8	Francis Centabano	1	Son	None	New York
9	Valentine Brennan	48	Head	Laborer	Ireland
10	Mary Brennan THIS PERSON	52	Wife	None	Ireland
11	John Brennan	5	Son	None	New York
12	James Kennedy	39	Head	Laborer	New York
13	Mollie Kennedy	32	Wife	Janitress	New York
14	Michael Kennedy	13	Son	None	New York
15	Dorothy Kennedy	11	Daughter	None	New York
16	Max Wenzel	29	Head	Housework	New York
17	Arthur Wenzel	37	Brother	Chauffeur	New York
18	Nicholas Wenzel	30	Brother	Chauffeur	New York
19	Minnie Huber	28	Boarder	None	New York
20	Margaret Huber	2	Daughter	None	New York
21	Peter Murtagh	50	Head	Carpenter	Ireland
22	Elizabeth Murtagh	44	Wife	None	New York
23	Margaret Cath. Murtagh	16	Daughter	Typist	New York
24	Peter Edw. Murtagh	15	Son	None	New York
25	Harry Richardson	47	Head	Gardener	Ireland
26	Helen Richardson	38	Wife	None	Scotland
27	Margaret Richardson	3	Daughter	None	New York
28	Robert John Crawford	49	Head	Gardener	Ireland
29	Minnie Crawford	47	Wife	None	Ireland
30	William John Crawford	22	Son	Bookkeeper	Ireland
31	Elizabeth Crawford	20	Daughter	Supervisor	Ireland
32	Joseph Walters	54	Head	Engineer	New York
33	Elizabeth Walters	54	Wife	None	Ireland
34	Eleonore Walters	20	Daughter	Stenographer	New York
35	Joseph Walters	15	Son	None	New York
36	Gilbert Reid	32	Head	Footman	British India
37	Esme Reid	30	Wife	None	British India
38	Vincent Reid	8	Son	None	New York
39	Joseph Reid	5	Son	None	New York
40	Albert Reid	1	Son	None	New York
41	Joseph Escobar	35	Head	Inspector	New York
42	Marina Escobar	25	Wife	None	New York
43	Joseph Jr. Escobar	7	Son	None	New York
44	Susan Mcconlogue	52	Head	Dressmaker	New York
45	Frances Mcconlogue	10	Son	None	New York
46	John Magnes	45	Head	Shipping Clerk	New York
47	Gertrude Magnes	40	Sister	Mailing Work	New York
48	Marie Magnes	35	Sister	Mail Clerk	New York
49	Morris Bloom	30	Lodger	Collector	New York
50	Alfred Bloom	28	Lodger	Collector	New York

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1930 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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