Will blow top pursuing individual for Irish person? (6)

I believe the answer is:

oneill

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

'will blow top pursuing individual' is the wordplay.
'blow top' means to remove the first letter (I've seen 'blowing top' mean this).
'pursuing' is a charade indicator (letters next to each other).
'individual' becomes 'one' (an individual is one person).
'will' with its initial letter taken away is 'ill'.
'ill' put after 'one' is 'ONEILL'.

'for' is the link.

Can you help me to learn more?

(Other definitions for oneill that I've seen before include "Eugene ..., Tip..., Ryan ... (1'5)" , "Eugene -, US playwright (The Iceman Cometh)" , "American dramatist" , "Eugene --, US dramatist" .)

I've seen this clue in The Irish Times.

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