Complex sentence: William Byrne (1780--5 June 1833) was an Irish-born American Roman Catholic missionary and educator, born in County Wicklow, Ireland; died at Bardstown, Kentucky.
Split into simpler sentences: William Byrne (1780--5 June 1833) was an Irish-born American Roman Catholic missionary and educator. He was born in County Wicklow, Ireland and died at Bardstown, Kentucky.