sentences:  John Lysaght sat as a Member of the Irish House of Commons for Charleville from 1727 until 1758, when on 18 September he was raised to the Peerage of Ireland as Baron Lisle, of Mountnorth in the County of Cork.He married on 17 December 1725, Catherine Deane, third daughter and coheirss of Joseph Deane, of Crumlin, Chief Baron of the Irish Exchequer, by Margaret, sister of Henry Boyle, 1st Earl of Shannon.They had five children.