William O'Brien
William O'Brien (2 October 1852 – 25 February 1928) was an Irish nationalist, journalist, agrarian agitator, social revolutionary, politician, party leader, newspaper publisher, author and Member of Parliament (MP) in the House of Commons of the United Kingdom of Great Britain and Ireland. He was particularly associated with the campaigns for land reform in Ireland during the late 19th and early 20th centuries as well as his conciliatory approach to attaining Irish Home Rule.
William O'Brien, 2nd Earl of Inchiquin
He was the first Governor of Jamaica and Vice-Admiral of the Caribbean Seas from 1690 to 1692. He died in Jamaica in 1692 and his Irish estate and titles were inherited by his son William. His younger son James inherited the Earl's trading interests.