Katie Walsh (born 18 December 1984)[1] is a retired Irish jockey who, in 2012, came third in that year's Grand National on Seabass, giving her the highest finish at that date for a female competitor, before Rachael Blackmore won the 2021 Grand National .
On 6 April 2015, Walsh became the third woman to win the Irish Grand National riding Thunder And Roses.
She won on Poker De Sivola on the first day of the Festival in the National Hunt Chase Challenge Cup.
Walsh began working as a racing ambassador for the Grand National Festival at Aintree Racecourse in 2015 and continued in 2016 and 2017.
[7] Walsh married her long-time partner, the race horse trainer Ross O’Sullivan in Kildare in July 2013.