Claremorris is a town in County Mayo in the west of Ireland, at the junction of the N17 and the N60 national routes. As of the 2017, it was the fastest growing town in the county, having seen a 31% increase in population between 2006 and 2011 and a 23% increase between 2002 and 2006. Between the 2016 census and the 2022 census, the population of Claremorris grew further, from 3,687 to 3,857 inhabitants.

Denis Browne was an Irish politician, landowner and High Sheriff who was notorious for his role in punishing rebels in the 1798 rebellion.