Dolly's new surname (5)

I believe the answer is:

lloyd

I'm a little stuck... Click here to teach me more about this clue!

'surname?' is the definition.
Both the definition and answer are singular nouns.
Maybe they are linked in a way I don't understand?

'dolly's new' is the wordplay.
'new' is an anagram indicator.
'dolly' with letters rearranged gives 'LLOYD'.

Can you help me to learn more?

(Other definitions for lloyd that I've seen before include "Harold --; -- George" , "David -- George, PM 1916-22" , "Frank -- Wright, US architect" , "David - George, British PM nineteen sixteen to nineteen twenty two" , "Christopher - - , garden expert" .)

I've seen this clue in the Evening Standard.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.