Stephen Thorne
Managing Director

Stephen graduated from the Godolphin Flying Start in 2014 and on completion of that programme, spent the following two years assisting top trainers Mike de Kock in South Africa and Ralph Beckett in the UK. Stephen rejoined Ado McGuinness Racing in 2017 as assistant trainer and his international knowledge and experience has been invaluable to the growth and success of the stable. Stephen won the Leadership Award at the Godolphin Stud and Stable Staff Awards in 2018 which highlighted his management and communication skills.

Stephen setup Shamrock Thoroughbreds in 2017 and is now one of Irelands’ leading racehorse syndicators. “We take great pride in providing our clients with the best ownership experience possible. The success of Shamrock has been built upon sourcing high quality racehorses and delivering top class communication to all our shareholders.

Our Trainer and why we choose him

Stephen Thorne – Trainer

Stephen Thorne is one of the newest additions to the racehorse training ranks in Ireland. Stephen was granted his license in late October 2024 and described his new venture “as a lifetime ambition to train racehorses” after many years assisting many top international trainers. Since launching Stephen and his team secured the All-Weather Trainers Championship 2024/2025 and are currently operating at an 18% win strike rate in 2025.

Stephen Mooney – Assistant Trainer

Stephen Mooney joined the team as assistant trainer in September 2025. A proud Meath man, Stephen is a highly skilled horseman and brings a wealth of knowledge to the team having previously been assistant trainer to James Ferguson in the UK for almost 4 years.
Stephen Thorne at Shamrock Thoroughbreds has an incredible eye for picking out high class horses at the sales. His methods of selecting quality racehorses at the right price is why he is one of the best judges in the game.
James Dooley
Dooley Thoroughbreds.

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