After a four year hiatus, the band reunited in 2009 with Linda and Coleen joining Bernie and Maureen in a four-piece line-up.
As for Denise, she left the band in 1978 after beginning with them as an 11-year-old.
It was in the seaside resort of Blackpool that Bernie made her stage debut as a five year old in the Waterloo Road Working Men's Club.
Released 19 November Recorded 1979 Ben Findon, , chronology 20 Giant Hits 1978 Nolan Sisters 1979 1980 Nolan Sisters is the self-titled 1979 album by the Irish sibling pop group.
But tragedy also stalked the family.
Putting on a brave face for the sake of Bernie's 14-year-old daughter, Erin, the sisters showered the teenager with affection as she prepared to goodbye to her beloved mum for the last time.