Jonjo O'Neill (jockey)

John Joseph "Jonjo" O'Neill is an Irish National Hunt racehorse trainer and former jockey. He is a native of Castletownroche, County Cork in Ireland. Based at the Jackdaws Castle training establishment in England. O'Neill twice won the British Champion Jockey title and won the Cheltenham Gold Cup on the mare, Dawn Run who became the only horse to complete the double of winning the Champion Hurdle and the Gold Cup at the Cheltenham Festival. He won 900 races as a jockey. ^{Jonjo O'Neill, Irish jockey and trainer}

13 April 1952

Born on the same birth date (13 April 1952): Gabrielle Gourdeau

Born on the same birth day (13 April): Bo Outlaw • Christina of Holstein-Gottorp • Frank Murphy • Fred Barnett (English footballer) • Frederick North, Lord North • Jack Chick • Jean Pierre Flourens • Jesuits • John Weston (diplomat) • Kermit Tyler • Louis II, Duke of Bavaria • Robert Orville Anderson • Vladimir Cosma

Born in the same month (April 1952): Gabrielle Gourdeau • George Gervin • Ketil Bjørnstad • Mickey O'Sullivan • Ralph Wiley • Ralph Winter (producer) • Udo Dirkschneider