After getting engaged I've been wondering whether I want to change my last name following the wedding.

I like my last name; I like that the word has ties to a profession/hobby many of my family members have and do engage in. I'm also part of what will probably be the last generation with that name, assuming that my female sibling/cousins don't give their own last name to their kids.

My fiancée has an Irish last name that has a lot of great history, and I love his family. But his last name is ALWAYS mispronounced/has to be spelled out, at least in the US.

So I have a lot of conflicting thoughts about changing my name vs. not. B. doesn't have particularly strong feelings about it; one of his sisters in law elected to keep her maiden name. But he wouldn't want to change his own name: that's not something we are considering.

My first name (which I pronounce like "Carrie") already gets mispronouced or misspelled a lot of the time. (For privacy reasons I'm not disclosing B's or my last names here.)
Our names wouldn't hyphenate well, but I've given thought to taking his name either as a second middle name, or making my own last name a second middle name. I don't know if we will ever have kids-probably not, if you ask me today-and neither of us are in a profession where it would be hard to change our name.

So, talk with me, those of you who have grappled with this decision (also welcoming opinions of those who have changed their names for other reasons, divorce, etc. - it's really interesting to hear why a new name works for you!) What led you to make a decision one way or another? Any pitfalls or regrets?