Crossword Genius

Dignitary from Rome say, upset with end of mass (8)

Ross

I believe the answer is:

mayoress

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

'dignitary' is the definition.
The definition and answer can be both people as well as being singular nouns.
Maybe they are linked in a way I don't understand?

'rome say upset with end of mass' is the wordplay.
'upset with' indicates an anagram.
'end of' indicates one should take the final letters.
The last letter of 'mass' is 's'.
'rome'+'say'='romesay'
'romesay' with its letters anagrammed with 's' makes 'MAYORESS'.

'from' acts as a link.

Can you help me to learn more?

(Other definitions for mayoress that I've seen before include "Public official" , "Local dignitary" , "Female dignitary" , "Civic dignitary" , "Head of town council" .)

I've seen this clue in The Telegraph.
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