Tommy O'Brien on his way to victory in the 1956 Irish Grand National on Air Prince
Full result of the 1956 Irish Grand National
Tommy's second UK win came at Market Rasen, May 11, 1957
Tommy's first UK winner: Silver Rock at Catterick, January 12, 1957
Tommy & Southern Dago won the Mullingar Cup in 1957
Tommy's victory in the 1957 Tostal Hurdle