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): Claude Cheysson • Lorenzo Cain • Orhan Veli Kanık • Philippe de Rothschild • Ty Dolla Sign

Born in the same month (April 1952): Bruce Robertson (rugby union) • Gerald Early • Geraldine Doogue • Jacques Santini • Jean Paul Gaultier • John McColl (British Army officer) • Kym Gyngell • Mary McDonnell • Mickey O'Sullivan • Narada Michael Walden • Narayan Rane • Nora Dunn • Rosemarie Ackermann • Steven Seagal • Tania Tsanaklidou