Mary Hennessey — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · Bronx, New York

Our Model Tree links this Mary Hennessey across the 1930 and 1940 US Censuses in Bronx, New York (XGBoost, ~Confirmed) — first a spouse (b.~1886), then head of a 9-person household.

Age 44 b. ~1886 Female Spouse Born: Ireland Married

1930 Census Record Details

Census Year	1930
Location	Bronx, New York
Surname	Hennessey
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	44
Marital Status	Married
Birthplace	Ireland
Year of Immigration	1904
Age at First Marriage	20
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Additional Details
Can Read/Write	Yes
Mother Tongue	English
Birth Country	Ireland
Birthplace (normalized)	ireland
Est. Birth Year	~1886

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.

9 people recorded at the same address in the 1930 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
Thomas Hennessey	Head	—	45	~1885
Edward Hennessey	Son	—	1	~1929
Robert Hennessey	Son	—	2	~1928
Mary Hennessey	Spouse	—	44	~1886
Thomas Hennessey	Son	—	12	~1918
William Hennessey	Son	—	7	~1923
James Hennessey	Son	—	9	~1921
John Hennessey	Son	—	11	~1919
Joseph Hennessey	Son	—	7	~1923

Census Appearances

1930

Bronx, New …

Spouse, age 44

Bronx, New York · implied b. ~1886 — 9 household members

Surname	Hennessey
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	44
Marital Status	Married
Birthplace	Ireland
Year of Immigration	1904
Age at First Marriage	20
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read/Write	Yes
Mother Tongue	English
Birth Country	Ireland
Birthplace (normalized)	ireland

1940

New-York-County, New …

Other, age 54

New-York-County, New York · implied b. ~1886 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hennessy
Given Name	Mary
Relationship to Head	Servant
Sex	F
Color / Race	White
Age	54
Marital Status	Widowed
Birthplace	Ireland
1935 Residence (City)	New York
1935 Residence (County)	New York
Naturalization Status	Naturalized
Occupation	Maid
Industry	Private family
Class of Worker	PW
Hours Worked	72
Income (1939)	760
Highest Grade	8
1935 Residence	Same place
Birth Country	Ireland
Birthplace (normalized)	ireland

Model Tree

Linked across censuses

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

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This person

Anchor record

Mary Hennessey

Spouse · 1930 · age 44 · b. ~1886 · 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 — Bronx, New York Open full size

Page Contents

50 people indexed on this census page (ia:1930:newyorkcensus00reel1471:0411)

Line	Name	Age	Relation	Occupation	Birthplace
1	Rosina Cuggiero	77	Wife	—	Italy
2	Anna Lundin	50	Head	Waitress	New York
3	Morgan Lundin	26	Son	—	New York
4	Morgan Lundin	20	Son	—	New York
5	Agnes Summers	50	Head	—	England
6	Agnes Summers	15	Daughter	—	Ireland
7	Owen Summers	10	Son	—	New York
8	Thomas Boyd	44	Head	Manager	Scotland
9	Mary Boyd	44	Wife	—	Ireland
10	Thomas Boyd	21	Son	—	New York
11	Mary Boyd	18	Daughter	Typist	New York
12	John Boyd	14	Son	—	New York
13	Thomas Hennessey	45	Head	—	Ireland
14	Mary Hennessey THIS PERSON	44	Wife	—	Ireland
15	Thomas Hennessey	12	Son	—	New York
16	John Hennessey	11	Son	—	New York
17	James Hennessey	9	Son	—	New York
18	Joseph Hennessey	7	Son	—	New York
19	William Hennessey	7	Son	—	New York
20	Robert Hennessey	2	Son	—	New York
21	Edward Hennessey	1	Son	—	New York
22	Thomas Hennessey	26	Head	Salesman	Russia
23	Beatrice Hennessey	26	Wife	—	Russia
24	Seymour Hennessey	3	Son	—	New York
25	Paul Hennessey	2	Son	—	New York
26	Lillian Hennessey	1	Daughter	—	New York
27	Ruth Hennessey	0	Daughter	—	New York
28	David Hennessey	27	Head	Plumber	Russia
29	Rose Hennessey	27	Wife	—	New York
30	Vincent Hennessey	31	Head	Chauffeur	Italy
31	Edith Hennessey	49	Wife	—	Italy
32	Michael Leggio	33	Head	Barber	Italy
33	Minnie Leggio	37	Wife	—	Italy
34	John Sommer	63	Head	Waiter	Germany
35	Martha Sommer	60	Wife	—	Germany
36	Agnes Sommer	25	Daughter	Manager	New York
37	Theodore Sommer	20	Son	Clerk	New York
38	Ruth Sommer	23	Daughter	Clerk	New York
39	Simon Fingner	62	Head	Teacher	Russia
40	Beatrice Fingner	62	Wife	—	Russia
41	Gertrude Fingner	24	Daughter	Collector	Russia
42	Rose Fingner	22	Daughter	Clerk	Russia
43	Timothy Driscoll	35	Head	Truck Driver	Ireland
44	Minnie Driscoll	33	Wife	—	Ireland
45	John Driscoll	1	Son	—	New York
46	Thomas Driscoll	0	Son	—	New York
47	Patrick Woods	44	Head	Motorman	Ireland
48	Catherine Woods	41	Wife	—	Ireland
49	Catherine Woods	14	Daughter	—	New York
50	Marion Woods	4	Daughter	—	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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