The town's Gaelic name is Baile Cosic Aingil, meaning "The Town of the Fallen Angel". It was taken from the actual Irish town of Ballykissane.
Tony Doyle, who starred as Brian Quigley in the first five seasons, was the father of Susannah Doyle, who appeared as Avril Burke in the sixth.
'Owen Roe (I)''s character who appeared once each in the first and third seasons was originally named Sean Dooley, but when he returned as a regular character late in the fifth season, his name was switched to Paul Dooley because Lorcan Cranitch's character Sean Dillon had been introduced in the third season.
During the Battle of the Bars, McLogan's singing contestant sings part of an Irish folk song called The Butcher Boy.
The only episode not to show a scene before the opening credits.