of Tullyhaw, County Cavan from 1512 until his death in 1532. Tomas Óg Mág Samhradháin (anglicised McGovern) was chief of the McGovern Clan of Tullyhaw, County Cavan from 1584 until the end of the 16th century. Uaithne Mág Samhradháin (anglicised Owny McGovern) was chief of the McGovern Clan of Tullyhaw, County Cavan from 1540 until his death. William Montgomery McGovern (1897 - 1964), was possible inspiration for the character of Indiana Jones, as an American anthropologist, journalist, political scientist, and professor. Places: McGovern, Pennsylvania Ballymcgovern, Co. Cavan,