William FitzGerald, 2nd Duke of Leinster (b.13 March 1749, d.20 October 1804) PC KP, was the son of James FitzGerald, 1st Duke of Leinster and Lady Emily Mary Lennox.
William FitzGerald, 2nd Duke of Leinster (b.13 March 1749, d.20 October 1804) PC KP, was an Irish politician and landowner. He was the second, but eldest surviving, son of James FitzGerald, 1st Duke of Leinster and the well-connected Lady Emily Mary Lennox.