Nicholas Colahan

Nicholas Colohan, Professor of the Practise of Medicine at Queen's University, Galway from 1849–1879; born 1806 died 1890.
Colohan was a native of Ballinasloe, related to William and James Colohan, highly respected doctors practiseing in that town. During the Great Irish Famine, William and James built the town workhouse for the relief of the poor. He married Sara, daughter of Dr. Thomas Whistler of Oranmore. They were the parents of John Colohan, Frances, William and Nicholas, who was the father of Arthur Colohan (1884–1952).
He graduated MD from Edinburgh University in 1828 though without a surgical qualification. Colohan was one of six doctors associated with Galway's Fever Hospital.