From back sleeve of Pye LP "The Rafters Ring at the Abbey Tavern," catalog number NPL 18127:
"The trio comprises Margaret O'Brien (singer), Sean Loughran (guitar) and Paddy Roche (Guitar and banjo). They began singing together about a year ago. Since then they have appeared extensively on radio and television programmes both in Ireland and Britain and are regulars of the Abbey Tavern."
Note, the above text was written around 1965.