A body discovered during searches for Aoife Phelan in Co. Laois is that of the 30-year-old.
Gardaí say her remains were formally identified by family members today.
Her body was found buried at the rear of a house on the Timahoe Road outside Portlaoise yesterday morning.
Gardaí in Portlaoise are continuing to question a 24-year-old man who was arrested last night.
Appeal for caution
Meanwhile Gardaí are urging caution when posting comments on social media websites about Aoife.
It follows a request on Facebook from a member of her family to shut down the “RIP Aoife Phelan” page down.
The page now has over 4,000 followers.
Padraigh Farrelly is a Crime Prevention Officer for Laois-Offaly.
Speaking to Midlands 103 he is asking that people respect the Phelan family.