Mary Hennessey — 1900 US Census Record

Linked across censuses

1900 United States Federal Census · Berkshire, Massachusetts

Our Model Tree links this Mary Hennessey across the 1900 and 1910 US Censuses in Berkshire, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1840), then head of a 7-person household.

Age 60 b. ~1840 Female Head Born: Ireland Widowed

1900 Census Record Details

Census Year	1900
Location	Berkshire, Massachusetts
Surname	Hennessey
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	60
Marital Status	Widowed
Birthplace	Ireland
Birth Month	May
Birth Year	1840
Year of Immigration	1852
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Additional Details
Can Read	Yes
Can Write	No
Speaks English	Yes
Birth Country	Ireland
Birthplace (normalized)	ireland
Township / Ward	Adams Town
Est. Birth Year	~1840

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.

7 people recorded at the same address in the 1900 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
Mary Hennessey	Head	—	60	~1840
Bridget Hennessey	Daughter	—	28	~1872
Helen Revlin	Daughter	—	38	~1862
Thomas Hennessey	Son	—	23	~1877
Richard Hennessey	Son	—	33	~1867
Lily Hennessey	Daughter	—	20	~1880
Ann Hennessey	Daughter	—	25	~1875

Census Appearances

1900

Berkshire, Massachusetts

Head, age 60

Berkshire, Massachusetts · implied b. ~1840 — 7 household members

Surname	Hennessey
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	60
Marital Status	Widowed
Birthplace	Ireland
Birth Month	May
Birth Year	1840
Year of Immigration	1852
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read	Yes
Can Write	No
Speaks English	Yes
Birth Country	Ireland
Birthplace (normalized)	ireland

1910

Berkshire, Massachusetts

Spouse, age 70

Berkshire, Massachusetts · implied b. ~1840 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hennessy
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	70
Marital Status	Married
Birthplace	Ireland
Years Married	45
Children Born	4
Children Living	4
Year of Immigration	1864
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Birth Country	Ireland
Birthplace (normalized)	ireland

Model Tree

Linked across censuses

Our Model Tree links Mary Hennessey across 2 US Census years (1900 and 1910) in Berkshire, Massachusetts, using XGBoost record linkage.

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This person

Anchor record

Mary Hennessey

Head · 1900 · age 60 · b. ~1840 · Massachusetts

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

Original Census Page

1900 US Federal Census — Berkshire, Massachusetts Open full size

Page Contents

50 people indexed on this census page (ia:1900:12thcensusofpopu631unit:0628)

Line	Name	Age	Relation	Occupation	Birthplace
51	Agnes Rolland	54	Wife	—	Canada (Fr)
52	Mary Rolland	23	Daughter	Rag Cutter (Paper Mill)	Massachusetts
53	Phillip Rolland	21	Son	—	Canada (Fr)
54	Sophia Nolan	52	Sister in law	—	Canada (Fr)
55	Edward Rolland	29	Head	Loft Man (Paper Mill)	Massachusetts
56	Rosanna Rolland	29	Wife	—	Missouri
57	Oasis Rolland	4	Son	—	Massachusetts
58	Mary E. Temple	30	Head	Sorter (Paper Mill)	Massachusetts
59	Charles Temple	52	Father	Painter	Massachusetts
60	Eva Sonnymery	33	Head	Inspector (Shirt Shop)	New York
61	Arthur Sonnymery	12	Son	At School	New York
62	Charles Desmarais	28	Head	Machinist	Canada (Fr)
63	Emma Desmarais	25	Wife	—	Canada (Fr)
64	Harry Steele	25	Head	Clerk (Cotton Store)	Massachusetts
65	Eva B. Steele	23	Wife	—	Massachusetts
66	Myrtle M. Steele	2	Daughter	—	Massachusetts
67	Guille Brousso	23	Head	—	Canada (Fr)
68	Cynthia Brousso	25	Wife	—	Vermont
69	Joseph Brousso	2	Son	—	Massachusetts
70	Ann R. Cassidy	63	Head	Housekeeper	Ireland
71	Agnes A. Dineen	25	Adopted	Spinner (Cotton Mill)	Massachusetts
72	Frank Denault	23	Head	Barber	Canada (Fr)
73	Rose Denault	23	Wife	—	New York
74	Julius Dubuc	49	Head	Day Labour	Canada (Fr)
75	Medera Dubuc	46	Wife	—	Canada (Fr)
76	Edna Dubuc	21	Daughter	Spinner (Cotton Mill)	Canada (Fr)
77	Virginia Dubuc	17	Daughter	Speeder Tender (Cotton Mill)	Canada (Fr)
78	Jerry Dubuc	15	Son	Speeder Tender (Cotton Mill)	Canada (Fr)
79	Laura Dubuc	10	Daughter	At School	Canada (Fr)
80	Ralph Dubuc	7	Son	At School	Canada (Fr)
81	John Dufres	70	Head	—	Canada (Fr)
82	Clementine Dufres	65	Wife	—	Canada (Fr)
83	Mary Hennessey THIS PERSON	60	Head	—	Ireland
84	Richard Hennessey	33	Son	—	Massachusetts
85	Bridget Hennessey	27	Daughter	Weaver (Cotton Mill)	Massachusetts
86	Ann E. Hennessey	25	Daughter	Weaver (Cotton Mill)	Massachusetts
87	Thomas Hennessey	22	Son	Beamer	Massachusetts
88	Lily Hennessey	19	Daughter	Button Hole Maker	Massachusetts
89	Helen Revlin	38	Daughter	—	Massachusetts
90	Mary Schroder	40	Head	—	Massachusetts
91	Christian A. Schroder	10	Son	At School	Massachusetts
92	Henry Schroder	8	Son	At School	Massachusetts
93	Estella Schroder	6	Daughter	At School	Massachusetts
94	Cleo Schroder	4	Daughter	—	Massachusetts
95	Bridget Waters	40	Sister	Warper Tender (Cotton Mill)	Massachusetts
96	Fred Besse	38	Head	—	Canada (Fr)
97	Fred Jr. Besse	14	Son	At School	Massachusetts
98	Arthur Besse	12	Son	At School	Massachusetts
99	Alina Besse	10	Daughter	At School	Massachusetts
100	Dora Besse	8	Daughter	At School	Massachusetts

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1900 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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