Aidan O’Brien And Family

The O’Brien family have been in the news a lot lately, with Aidan winning 26 Group Ones this season and Joseph winning the Melbourne Cup.


The maestro of Ballydoyle trained 26 Group One winners this season. They include the Derby, 1000 and 2000 guineas. Two of his stars of the season were Winter and Churchill. Winter won four Group Ones and Churchill won the 2000 Guineas and the Irish equivalent.  His two year old winners have sparkled too. He won the Racing Post Trophy with unbeaten colt Saxon Warrior making it his 26th Group One. Over in the US, $3million Scat Daddy colt Mendelsohn won the Breeder’s Cup Juvinile Turf. The colt had won once before but flopped on his starts from then until going to the US.

Aidan is married to Anne-Marie and has four children with her.

Anne-Marie O’Brien

Anne-Marie is Aidan’s wife. Her father Joe Crowley trained in Piltown, County Kilkenny. She took over the licence and was Champion National Hunt trainer for a short while. In 1993, Aidan took over until he moved to Ballydoyle and was private trainer for Coolmore.

She has four children with Aidan.

Joseph O’Brien

Joseph grew up riding horses and won a bronze medal at the European Pony Championships in 2009. In his early career, he dead heated with two other jockeys in the Irish Champion apprentice jockey’s title. His first winner was on Johann Zoffany trained by his father at Leapardstown Races. He gained his first classic victory when Roderic O’Connor won the Irish 2000 Guineas. In 2012, when Joseph was 19, him and Aidan became the first father-son combination to win The Derby with Camelot. Also that year, he won the Irish Champion Jockey title with 87 winners. O’Brien broke a 20-year-old record with a treble at Navan in 2013 to get his 117th win that season beating the previous record set by Mick Kinane. He finished that season with 126 winners and retained his jockey title.

In March 2016, O’Brien announced that he would be stepping down from race riding and focussing on his new career as a trainer. He has won two high profile races as a trainer: the Moyglare Stud Stakes with Intricately and the 2017 Melbourne Cup with Rekindling.

Donnacha O’Brien

Donnacha rode his first winner on Quartz trained by his father Aidan at Dundalk in September 2014. His first Group One victory came in the 2016 Moyglare Stud stakes with Intricately. The horse was bred by his mother and trained by his brother Joseph. The next year, he won it with Happily contributing to his father’s 26 Group One winners in a season.

Ana O’Brien

Ana’s first winner came riding Fairylike for her father on February 13th 2013. Her first Listed and stakes winner came when riding Ayra Tara to win the Stanerra Stakes for brother Joseph. Ana was undoubtedly snatched of her first apprentice title in July 2017 when suffering a horror fall at Killarney. She fractured her C1 vertebrae and T6 in her back as well as damaging her eye socket, jaw and teeth. She had ridden 18 winners that season and her lead was passed in October.

Sarah O’Brien

Sarah is one of the leading claimers in Ireland and often rides for her brother Joseph.

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