Brennan
Brennan is a winning Irish surname name, more modern than Brian or Brendan, more unusual than Conor and Aidan. The only possible problem with Brennan: people might think you're saying Brendan.
Brennan eased onto the very bottom of the popularity list in 1966, and has pretty much remained ever since, now at Number 318.
Brennan
Poised for popularity, Brennan is an Irish last name soft enough to borrow from the boys.
