Born about 1834 in Birchfield (Ennis), County Clare, Ireland

Ancestors

Son of Cornelius O'Brien MP and Margaret (Long) O'Brien

Husband of Margaret (Cain) O'Brien — married 19 Nov 1854 in Boston, Suffolk, MA, USA

Descendants

Died 10 Mar 1886 in Cambridge, Middlesex, MA, USA

Biography

Father Sir Cornelius O'Brien MP 1782-1857

Mother Margaret Long 1793- 1839

He was a Teamster and he lived on 3 Utica Street in Boston, MA.

Dennis became a U.S. citizen in 1861. ^[1]

Family

• Margaret Cain

Children

• Mary
• Cornelius
• Michael
• Ellen
• John

Sources

1. ↑ Find A Grave Memorial# 98021476

• Massachusetts, Town and Vital Records, 1620-1988: Marriage

Name: Dennis O'Brien Event Type: Marriage Birth Date: abt 1834 Marriage Date: 19 Nov 1854 Marriage Place: Boston, Massachusetts Marriage Age: 20 Father Name: Cornelius Spouse Name: Margaret Cain Spouse Marriage Age: 19 Spouse Father Name: Michael Source Information Original data: Town and City Clerks of Massachusetts. Massachusetts Vital and Town Records. Provo, UT: Holbrook Research Institute (Jay and Delene Holbrook).

• Massachusetts Vital Records, 1840–1911: Death

Name: Dennis O'Brien Gender: Male Birth Date: abt 1834 Birth Place: Ireland Death Date: 10 Mar 1886 Death Place: Cambridge, Massachusetts, USA Age at Death: 52 Wills and Probates: Search for Dennis O'Brien in Massachusetts Wills & Probates collection Source Information Original data: Massachusetts Vital Records, 1840–1911. New England Historic Genealogical Society, Boston, Massachusetts.

• U.S., Find A Grave Index, 1600s-Current

Find A Grave Memorial# 98021476 Name: Dennis O'Brien Birth Date: 1833 Death Date: 10 Mar 1886 Cemetery: Catholic Mount Auburn Cemetery Burial or Cremation Place: Watertown, Middlesex County, Massachusetts, USA Has Bio?: N URL: http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=98021476&ref=acom

• http://www.geni.com/people/Dennis-O-Brien/6000000011632752436

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