Brennan

Patronymic

Meaning

Descendant of Braonan, meaning sorrow or sadness.

Etymology

Derived from the Irish Ó Braonáin, from the personal name Braonan. The surname is associated with the Munster region of Ireland.

About the Brennan Surname

Brennan is a prominent Irish surname with medieval roots in Munster. The family held significant lands and influence in the region during the Middle Ages.

Distribution & Frequency

Estimated 140,000 bearers in the United States #322 most common surname
Rare Common

Concentrated in County Kilkenny, County Tipperary, and County Waterford in Ireland.

Brennan Surname Distribution

Geographic distribution based on Civil War military records.

Fewer
More

People with the Brennan Surname

George M. Brennan

Intermediate Commissioner of F.C.A.

James Brennan

Patrick Brennan

Robert Patrick Brennan

Minister

Roger Brennan

Vincent Brennan

Honorable

Vincent M. Brennan

Rep.