Grace Miano was charged with the murder of Limbani Mzoma.
The woman was arrested and detained at Dún Laoghaire Garda Station under Section 4 of the Criminal Justice Act 1984.
She brought before a special sitting of Dublin District court on Sunday morning and was charged with the murder of 27-year-old Limbani Mzoma at the same address on Thursday night.
The man, aged in his 20s, was found dead at a property in Tudor Lawns, Foxrock at around 11.30pm on Thursday.
It is understood that a number of people were socialising at the home in Foxrock last night.
Miano was remanded in custody to appear before Dun Laoghaire District Court on Friday morning.
