Sylvester O'Halloran

Sylvester went to London to learn medicine at the age of 17, particularly studying the methods of Richard Mead, as well as the oculists Taylor and Hillmer.

After further study at Leyden, and in Paris under the anatomist and academician Antoine Ferrein, he set up practice as a surgeon in Limerick in early 1749.

The foundation stone of the original infirmary is now preserved in the Sylvester O'Halloran Post Graduate Centre at the University Hospital, Limerick.

In his last work O'Halloran contributes to Irish social history, as the head injuries he treated were often caused by fights aggravated by alcohol abuse.

In the 1770s, a critic suggested he should: The historian J. C. Beckett (1912–96) included O'Halloran among those aiming: to vindicate its claims by uncritical admiration for the achievements of pre-Norman Ireland.

[6] Claire E. Lyons, Sylvester O'Halloran's General History and the late Eighteenth-Century British Empire, Unpublished PhD Thesis NUI GALWAY 2011.