Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
BRENNAN
There are approximately 27,659 people named Brennan in the UK. That makes it the 343rd most common surname overall. Out of every million people in the UK, approximately 438 are named Brennan.
Region of origin
British Isles
Country of origin
Ireland
Language of origin
Gaelic
Religion of origin
Christian
Classification
Celtic
Related and similar surnames
BrananBannon
Bbrennan
Bbrenan
Brahnan
Brainan
Braenain
Bragnan
Berennan
Brainain
Braignan
Branaan
Branain
Braannant
Bramenan
Bernnan
Berenan
Barannan
Branagn
Beranan
Berrenan
Brainand
The Brennan surname in historical dictionaries
Patronymica Britannica (1860)
BRENAN. BRENNAN. BRENNAND,