People in Dublin itself are widely regarded to have a neutral-sounding, easily understandable English. Indeed, Dubliners are conspicuously prominent in ESL teaching around the world for that reason. It is when one gets out of Dublin that accents begin to be more challenging for people accustomed only to mainstream US or UK pronunciations.
I'm sure she could talk more slowly and clearly and computer would say yes.
Also I leave the Welsh off the least, because I have always found their English easy to understand -- if sometimes amusing.
I'd imagine not a single one could pass.
But I could barely understand the boyfriend, let alone place his accent. When I asked my friendl later, he said the dude was also forom NZ.
I have no idea what was going on in my head that day.