The 45-year-old, whose racing career spanned 30 years, fell heavily from her mount Celtic Ambition on Saturday evening and suffered a traumatic head injury. She never regained consciousness.
"I know everyone in the racing fraternity is saddened by this tragic loss and we pass on our deepest sympathies to Desiree's husband Barry and the Gill family," Racing Queensland chief executive Darren Condon said in a statement.
Another female jockey, Simone Montgomerie, died in August after falling at the Darwin Racecourse in Northern Territory and being trampled by other horses.
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