It can make one glad, being in Ireland (7)

I believe the answer is:

donegal

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'in ireland' is the definition.
The definition suggests a singular noun which matches the answer.

'it can make one glad' is the wordplay.
'it can make' indicates an anagram.
'one'+'glad'='oneglad'
'oneglad' with letters rearranged gives 'DONEGAL'.

'being' acts as a link.

Can you help me to learn more?

(Other definitions for donegal that I've seen before include "part of Ireland" , "Ireland's northmost county" , "County of NW Ireland" , "County of NW?Ireland" , "Northernmost Irish county" .)

I've seen this clue in the Evening Standard.

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