I'm surprised so many people have hung on to their own names. When I did this I got so much stick from everyone (except work, funnily enough) about why did I get married if I wasn't prepared to change my name & that sort of thing.
My name is quite unusual & has a long history (I'm really "into" family trees & have traced mine back to 1666). Also I felt it was my identity & my link to my own family- "Xs daughter". DHs name is more common & he didn't feel that same link. He has 2 older brothers who were both already married when we met, so in his immediate family there were already 3 Mrs Ys. It just felt so anonymous to do the same.
He suggested we both take my name & everything was fine until he told his parents & they flipped. I've no idea why- they already had 2 grandsons carrying on the family name. We spent 2 years with separate names before we had DD. Then I found that although we could call her whatever we wanted, if we disagreed, HIS wishes took precedence under English law.
We double-barrelled (mine-his) & he took out a Deed Poll. Took 2 solicitors to do it (the first one was downright rude & said she'd be proud to take her husband's name!!!) & he had to be interviewed ALONE to make sure he wasn't doing it under duress!!! (Yeah coz I had a gun under my coat...) I didn't have to sign it because it apparently didn't concern me, being just a chattel.
It is a real mouthful, 4 syllable name. People take it upon themselves to shorten it, which really winds me up because it is so rude (when I meet someone I don't decide I'll shorten their name without asking!). I've always just used my bit, & the children have tended to do the same (DD refuses to even tell people the end bit & uses just mine at all times). About 10 years ago DH started doing so too. It sounded really weird the first time I heard him say "This is Mr X" on the phone. Now he only uses my name, through choice, even at work (unless it's something legal- all the bank stuff & passports are in the full name).
It just would have been so much simpler if the ILs had kept their noses out in the first place. The PIL manage to address us properly on cards & things, but his brothers & other relatives send the kids cards addressed to Miss Y and Master Y (it really winds them up!). Why do people get so snotty about what other people call themselves?