Alex is short for Alexander so the Irish equivalent is
Alastar
I cannot find any Irish language form of the name.
Alex = アレックス (pronounced Arekkusu)
Críostóir (male name)
As a last name de Bhailís.
The name would be equated with Aodh (as is Hugh).
O'Sullivan = Ó Súilleabháin
As a surname Scot;as a first name Scot or Scott.
Alex Constancios nationality is chinese with a mix of irish
The Irish equivalent of "Anne" is Anna, although the native name Áine isoften substituted. "Marie" is the French version of the Irish Máire.
The female name "Erin" is spelled the same in Irish;"Erin Murphy" would be "Erin Ní Mhurchú"
AILÍS or AILÍSE
as Gaeilge