 The title became either extinct or dormant on Hamilton's death in circa 1680.The Hamilton Baronetcy, of Killock in the County of Down (according to other sources the territorial designation was "of Killaugh in the County of Cavan"), was created in the Baronetage of Nova Scotia on 29 September 1628 for Francis Hamilton.He represented Jamestown and County Cavan in the Irish House of Commons.