Mary Hennessy — 1920 US Census Record

Linked across censuses

1920 United States Federal Census · Kings, New York

Our Model Tree links this Mary Hennessy across the 1900, 1910 and 1920 US Censuses in Kings, New York (XGBoost, ~Confirmed) — first a head (b.~1860), then head of a 2-person household.

Age 60 b. ~1860 Female Head Born: Ireland Widowed

1920 Census Record Details

Census Year	1920
Location	Kings, New York
Surname	Hennessy
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	60
Marital Status	Widowed
Birthplace	Ireland
Year of Immigration	1880
Naturalization Status	Naturalized
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Additional Details
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Home Owned/Rented	O
Home Free/Mortgaged	F
Birth Country	Ireland
Year of Naturalization	1885
Birthplace (normalized)	ireland
Township / Ward	Borough Of Brooklyn
Est. Birth Year	~1860

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.

2 people recorded at the same address in the 1920 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
Mary Hennessy	Head	—	60	~1860
Mary Hennessy	Daughter	—	28	~1892

Census Appearances

1900

New York, …

Head, age 40

New York, New York · implied b. ~1860 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hennessy
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	40
Marital Status	Widowed
Birthplace	Ireland
Birth Month	May
Birth Year	1860
Year of Immigration	1882
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Dressmaker
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth Country	Ireland
Birthplace (normalized)	ireland

1910

New York, …

Head, age 49

New York, New York · implied b. ~1861 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hennessy
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	49
Marital Status	Widowed
Birthplace	Ireland
Children Born	9
Children Living	5
Year of Immigration	1880
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Birth Country	Ireland
Birthplace (normalized)	ireland

1920

Kings, New …

Head, age 60

Kings, New York · implied b. ~1860 — 2 household members

Surname	Hennessy
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	60
Marital Status	Widowed
Birthplace	Ireland
Year of Immigration	1880
Naturalization Status	Naturalized
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Home Owned/Rented	O
Home Free/Mortgaged	F
Birth Country	Ireland
Year of Naturalization	1885
Birthplace (normalized)	ireland

Model Tree

Linked across censuses

Our Model Tree links Mary Hennessy across 3 US Census years (1900, 1910 and 1920) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Mary Hennessy

Head · 1920 · age 60 · b. ~1860 · New York

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

Original Census Page

1920 US Federal Census — Kings, New York Open full size

Page Contents

49 people indexed on this census page (ia:1920:14thcensusofpopu1155unit:1019)

Line	Name	Age	Relation	Occupation	Birthplace
1	Nora Horning	45	Head	None	New York
2	John Horning	29	Son	Clerk	New York
3	Florence Horning	22	Daughter	Operator	New York
4	Agnes Horning	12	Daughter	None	New York
5	Mary Lussen	48	Head	Laborer	New York
6	Harry Lussen	17	Son	Clerk	New York
7	Mary Lussen	15	Daughter	None	New York
8	Mary Hennessy THIS PERSON	60	Head	None	Ireland
9	Mary Hennessy	28	Daughter	Clerk	New York
10	Robert Hennessy	30	Head	Inspector	New York
11	Rose Hennessy	30	Wife	None	New York
12	Rose Hennessy	1	Daughter	None	New York
13	John Lynch	64	Head	Stevedore	England
14	Catherine Lynch	62	Wife	None	New York
15	William Rensen	42	Head	Attendant	New York
16	Lillian Rensen	29	Wife	None	New York
17	Lillian Rensen	12	Daughter	None	New York
18	William Rensen	8	Son	None	New York
19	George Christiansen	43	Head	Collector	New York
20	Mary Christiansen	43	Wife	None	Staten Island
21	George Christiansen	14	Son	None	New York
22	Lillian Christiansen	9	Daughter	None	New York
23	Joseph Christiansen	6	Son	None	New York
24	John Christiansen	24	Stepson	None	Germany
25	Stephen Schroeder	50	Head	Salesman	Germany
26	Virginia Schroeder	47	Wife	None	Germany
27	Anthony Schroeder	26	Son	Chauffeur	New York
28	Virginia Schroeder	23	Daughter	None	New York
29	William Schroeder	21	Son	Chauffeur	New York
30	Stephen Schroeder	15	Son	Clerk	New York
31	Elizabeth Schroeder	13	Daughter	None	New York
32	Evangeline Schroeder	5	Daughter	None	New York
33	Fred Bauer	37	Head	Baker	Germany
34	Minnie Bauer	34	Wife	None	Germany
35	William Bauer	12	Son	None	New York
36	Minnie Bauer	2	Daughter	None	New York
37	Thomas D'Andrea	41	Head	Baker	Italy
38	Freda D'Andrea	35	Wife	Saleslady	Italy
39	Julia D'Andrea	15	Daughter	None	New York
40	Edward Dunn	30	Head	Asst Supt	New York
41	Sarah Dunn	25	Wife	None	New York
42	Edward Dunn	1	Son	None	New York
43	William Gorman	34	Head	Buyer	New York
44	Pauline Gorman	30	Wife	None	New York
45	John Linsner	39	Head	Engraver	New York
46	Minnie Linsner	43	Wife	None	Germany
47	Catherine Linsner	69	Mother-in-law	None	Germany
48	Paul Ferrara	53	Head	Machinist	France
49	Adolphine Ferrara	46	Wife	Dressmaker	France

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1920 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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