Surname · Irish origin
Brennan
Meaning
The surname Brennan means Descendant of Braonán.
Origin
Irish
Type
patronymic
The origin of the surname Brennan
Brennan comes from Ó Braonáin, linked to “sorrow” or “moisture.”
Frequently asked questions
What does the surname Brennan mean?
The surname Brennan means Descendant of Braonán. Brennan comes from Ó Braonáin, linked to “sorrow” or “moisture.”
Where does the surname Brennan come from?
Brennan is a surname of Irish origin.
What kind of surname is Brennan?
Brennan is a patronymic surname, derived from a father's or ancestor's given name.