Sir Josias Rowley - known as "The Sweeper of the Seas", was an Irish-born British Admiral who commanded the campaign that captured the French Indian Ocean islands of Réunion and Mauritius in 1810.
He was born in 1765 in Mountcampbell, Drumsna, County Leitrim. His father was Barrister and MP for Downpatrick in the Irish Parliament. His paternal grandfather was Admiral of the Fleet Sir William Rowley.
Some communities associated with this ancestor