- Brennan
Origin:
IrishMeaning:
"descendent of the sad one"Description:
Poised for popularity, Brennan is an Irish last name soft enough to borrow from the boys.
- Brennan
Origin:
IrishMeaning:
"descendent of the sad one"Description:
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.