"How's it goin', I'm Stephen!" To be fair, he's not that bad at doing an Irish accent after Saoirse's tutelage. Shame he's not as good with pronouncing Irish names. He finds 'Osh-sheen' particularly difficult. And as for 'Queva'... You'd think with Colbert being the youngest of 11 children in a Catholic family and being of 15/16ths Irish ancestry he would've NAILED 'Queva'.
The Brooklyn star spent a good ten minutes speaking with The Late Show host, and kicked off their conversation with the Catholic religion after she commented that that the studio looked "like a church." They then bonded over their common bond as a "ratholic" (that being an Irish Catholic).