Complex sentence: Lysaght sat as a Member of the Irish House of Commons for Charleville from 1727 until 1758, when he was raised to the Peerage of Ireland as Baron Lisle, of Mountnorth in the County of Cork.
Split into simpler sentences: Lysaght sat as a Member of the Irish House of Commons for Charleville. In 1758 he was raised to the Peerage of Ireland as Baron Lisle, of Mountnorth in the County of Cork.