Thomas Breen, of Willowvale in Ballybrack, was charged before Dún Laoghaire District Court.
57-year-old Carmel Breen's body was found at her home in Ballybrack on 7 November.
Gardaí had been called to the house to investigate a domestic incident.
In court today, Mr Breen was remanded on bail of €5,000 until 21 July and was ordered to surrender his passport.
