The Mater Misericordiae University Hospital is a charitable voluntary hospital and holds a unique place in the delivery of healthcare not only as the main charitable and voluntary general hospital serving Dublin's north inner city, but also providing healthcare to the rest of the country with its national and tertiary services.

The Hospital was founded by the Sisters of Mercy in 1861 and opened on September 24th 1861.

It is a university teaching hospital providing acute and tertiary specialist services.

The population of its local catchment area is approximately 185,000. 

The Mater Misericordiae University Hospital has approximately 600 beds (at full capacity) including day beds.