Published Sunday, 18 May 2014
The singer posted the news on his website on Sunday morning. (© WENN)
He posted on his website to say the 94-year-old had passed away peacefully at Dungloe Community Hospital in Co Donegal on Sunday morning, surrounded by family.
The post, titled "rest in peace Mam", went on: "It is with great sadness that we have to announce that our dear mother Julia passed away peacefully in the loving care of the staff of Dungloe hospital surrounded by all her family on Sunday 18th May at 3.50am.
"My siblings John, Margaret, Kathleen, James and myself would like to thank you all for the kindness you have shown to her down through the years.
"May her gentle soul rest in peace."
© UTV News