"Michael will be very sadly missed by Bernie, William, Alan, "Granny Mary", aunts Kathleen, Marie, Anne, Marguerite and Marie, uncles Connie, Willie, Sean, Andy, Patsy, Eugene, Patrick and Michael, aunt-in-laws, uncle-in-laws, cousins, Charlotte, his many friends as well as his weigh room colleagues and the wider racing community.
A post on rip.ie read: "On Sunday, February 16th, 2025 after a trojan battle to recover from injuries sustained in a fall, Michael died peacefully a few days short of his 25th birthday, surrounded by his heartbroken parents Bernie (née Goulding) and William, brother Alan, partner Charlotte and extended family.
Last year's Mares' Novices' Hurdle was renamed in honour of Jack de Bromhead, the son of trainer Henry who died aged 13 in a pony racing accident.
But punters are pleading with Festival bosses to rename it Michael O’Sullivan’s Supreme Novices' Hurdle to mark his greatest achievement in the saddle.
The Supreme is currently known as the Sky Bet Supreme Novices' Hurdle.
