Tributes have been paid to tragic mum Marie Downey and her newborn baby Darragh.
Little Darragh died shortly before 7pm on Tuesday night despite the best efforts over two days by Cork University Maternity Hospital doctors.
The young mother tragically died after what is believed to be a freak accident on Monday.
A nurse found the Limerick woman on the ground with her baby son underneath her.
One person said: "R.I.P our thoughts and prayers are for both families.
"Thinking of you all at this sad time."
Another added: "So heartbreaking for the families may they RIP."
The hospital confirmed that the baby sadly passed away on Tuesday evening after suffering serious injuries.
She was a mum-of-three originally from Ballyagran, Co Limerick but was currently living in Kildorrery, Co Cork with husband Kieran.
A death notice for her read: "The death has occurred of Marie Downey and Baby Darragh, Knockanevin, Kildorrery, Co. Cork and formerly of Ballyagran, Co. Limerick, unexpectedly on March 25th with her beautiful baby boy Darragh.
"Deeply mourned by her heartbroken husband Kieran, her adored sons and Darragh's big brothers James and Sean, her loving parents Jim and Helen, parents-in-law Tom and Alma, brother-in-law Patrick, sisters-in-law, Una, Fiona, Ellen and Mairead, aunts, uncles, relatives, neighbours and many friends."
Newborn baby boy dies just day after mum's tragic death at Cork University Maternity Hospital
The hospital confirmed that a full medical investigation into the tragic deaths has been launched.
A statement said: "As with all unexplained deaths a full medical investigation was immediately initiated. This investigation is currently under way at CUMH.
"CUMH wishes to express its deepest sympathy with the family of the mother and her baby.
Tragic young mum lost her life in freak accident as she breastfed newborn baby in Cork hospital
"The priority now for the hospital is the well-being of their family."
It is believed that Ms Downey suffered a sudden medical episode that caused her to fall from her bed with her child in her arms.
Staff found the caring mother lying on the floor at 8am on Monday morning.
A post-mortem is due to take place on the body of Marie on Wednesday.
