Dolly's new surname? (5)

I believe the answer is:

lloyd

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'surname?' is the definition.
Both the answer and definition are singular nouns.
Perhaps you can see a link between them that I don't see?

'dolly's new' is the wordplay.
'new' indicates anagramming the letters.
'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.

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