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BRENNAN - Name Meaning & Origin


BRENNAN Surname Meaning & Origin:

One of Ireland's most frequent surnames BRENNAN derives from one of three Irish personal names: Ó Braonáin, from braon, probably meaning "sorrow," and Mac Branáin and Ó Branáin, both from bran, meaning "raven."

Irish Brennan families were very widespread, settling in Fermanagh, Galway, Kerry, Kilkenny, and Westmeath. They are now mostly found in County Sligo and the province of Leinster.

BRENNAN is one of 50 common Irish surnames of modern Ireland.

Surname Origin:

Alternate Surname Spellings:


Famous People with the Surname BRENNAN:

  • Walter Brennan - American actor, veteran of over 100 films
  • Willie Brennan - Irish highwayman of legend, immortalized by "Brennan on the Moor"

Genealogy Resources for the Surname BRENNAN:

British Surname Profiler - Distribution of the Brennan Surname
Trace the geography and history of the Brennan surname through this free online database based on a University College London (UCL) project investigating the distribution of surnames in Great Britain, both current and historic.

Brennan Family Genealogy Forum
Search this popular genealogy forum for the Brennan surname to find others who might be researching your ancestors, or post your own Brennan surname query.

FamilySearch - BRENNAN Genealogy
Find historical records, queries, and lineage-linked family trees posted for the Brennan surname and its variations.

BRENNAN Surname & Family Mailing Lists
RootsWeb hosts several free mailing lists for researchers of the Brennan surname.

Cousin Connect - BRENNAN Genealogy Queries
Read or post genealogy queries for the surname Black, and sign up for free notification when new Black queries are added.

DistantCousin.com - BRENNAN Genealogy & Family History
Free databases and genealogy links for the last name Brennan.

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References: Surname Meanings & Origins

Cottle, Basil. Penguin Dictionary of Surnames. Baltimore, MD: Penguin Books, 1967.

Menk, Lars. A Dictionary of German Jewish Surnames. Avotaynu, 2005.

Beider, Alexander. A Dictionary of Jewish Surnames from Galicia. Avotaynu, 2004.

Hanks, Patrick and Flavia Hodges. A Dictionary of Surnames. Oxford University Press, 1989.

Hanks, Patrick. Dictionary of American Family Names. Oxford University Press, 2003.

Smith, Elsdon C. American Surnames. Genealogical Publishing Company, 1997.

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