The Irish Gaelic spelling of the surname O'Reilly is Ó Raghallaigh (descendant/grandson of Raghallach. If it is being used as a forename it would probably be "Riley" as in English.
See Irish Gaelic translator website
The name Riley is of Gaelic origin. it was originally a boys name but after time a few girls have got it. the name Riley means gallant.
In Irish it's Ó Raghallaigh / Ó Raghailligh
It would be 'Riley, mo mhac, mo chuid den tsaol'.
Scottish Gaelic is a 'coimhead.Irish Gaelic is cuma.
Riley remains Riley.
No Gaelic word for Chalmers.
It is not a Gaelic word.
In IRISH Gaelic the word is "vaidhtéaraí";in SCOTTISH Gaelic: ?
The word 'bassett' is not a Gaelic word, and therefore has no meaning in Gaelic.
The word for 'prince' in Irish Gaelic is prionsa or flaith. The word in Scottish Gaelic is ...
The Irish (Gaelic) word for 'first' is is céad.The Scottish Gaelic word is ciad.