Stuart Grehan

Stuart Peter Grehan to Helen and John Grehan.

In 2012, Grehan won the Irish Youths Amateur. He received a scholarship to play golf at Eastern Michigan University, beginning in January 2013. He said in 2024: "When I went out there, I'll never forget coming off the plane. I started in January and there was three-feet of snow. I was like, 'What am I doing here?'." He left Eastern Michigan University after a year due to homesickness and the unfavourable winter weather. He then received a Paddy Harrington Scholarship to attend Maynooth University. He earned a degree in entrepreneurship from Maynooth. He also won the 2015 South of Ireland Open. In February 2016, Grehan finished runner-up at the South African Stroke Play Championship. During the event, he shot a 10-under 62, which was his career-low round and broke the course record. Grehan also finished runner-up alongside Grant Forrest at the Scottish Amateur Stroke Play Championship in May 2016.

Grehan played for the Europe team which won the 2016 Arnold Palmer Cup. He also played for Ireland at the 2016 European Amateur Team Championship, and for Great Britain & Ireland at the 2016 St Andrews Trophy. Later that year, Grehan helped Ireland to win a bronze medal at the 2016 Eisenhower Trophy, which was the country's first medal in the competition.

In January 2017, Grehan was included in Great Britain & Ireland's 19-man initial lineup for the 2017 Walker Cup. At the time, he was ranked at 54th in the World Amateur Golf Ranking. He suffered an injury to his elbow while playing a game of football tennis with friends later in 2017, which sidelined him for multiple weeks and led to a downturn in form. Grehan missed the cut at the 2017 U.S. Amateur and was not named to the final Walker Cup squad.

Professional career After missing out on the 2017 Walker Cup, Grehan turned professional and competed in European Tour Qualifying School. He missed the cut at first stage in October 2017. Grehan recorded his first professional win in February 2018 at the Palmares Classic, an event on the Portugal Pro Tour, and received €2,000. He shot 10-under to finish one stroke ahead of Max Orrin. Grehan played on the PGA EuroPro Tour in 2018. In his first event, he finished runner-up at the Motocaddy Masters in May 2018 and earned £6,000. Grehan received invites afterwards to events on the Challenge Tour, but had little success. He struggled in 2019, missing 10 cuts in 16 starts across the PGA EuroPro Tour and Challenge Tour. Grehan also won the Spey Valley Championship on the EuroPro Tour in September, which was his first victory in an Official World Golf Ranking-sanctioned event. He prevailed in a playoff for the title against Dermot McElroy and Michael Stewart. Later in September, the EuroPro Tour announced that it would fold at the conclusion of the 2022 PGA EuroPro Tour season. At the time, Grehan was seventh in the tour's order of merit, narrowly outside the top five rankings which would secure promotion to the Challenge Tour.

Grehan struggled in 2023. He registered only one top-10 finish on the Challenge Tour during the year and lost his status on the tour. He again considered ending his professional career as he and his wife were expecting their first child, but he decided to continue. In January 2024, Grehan totalled 9-under to win the first event of Swing 2 on the Winter Tour, one stroke ahead of Wouter De Vries. The following month, Grehan shot rounds of 63-62-62 to win on the Toro Tour, a mini-tour in Spain. His total of 26-under was 12 shots clear of runner-up Harvey Byers. Grehan finished second on the Winter Tour Order of Merit, which earned him an invitation to an event on the 2024 Challenge Tour schedule.

At the D+D Real Czech Challenge in October 2024, Grehan shot rounds of 68-67-67 to stand at 8-under through 54 holes, but was 14 strokes behind the leader and eventual champion Benjamin Follett-Smith. This was one of many "back in the pack" situations Grehan had experienced as a professional golfer. He finished the tournament in tied-40th place at 12-under, earning around €1,500.

Reinstated amateur Grehan's amateur status was reinstated in April 2025. He was selected to represent Ireland at the 2025 European Amateur Team Championship, and was named to the Great Britain & Ireland team for the 2025 Walker Cup held at Cypress Point in September. He had a record at the Walker Cup as the United States won by a score of 17–9.

In May 2026, Grehan won the East of Ireland Open, breaking the tournament record with a score of 17-under to claim a six-shot victory. As part of a final-round 65, he aced the par-3 17th hole at County Louth Golf Club.

Grehan won The Amateur Championship in June 2026. He defeated American Matt Moloney, 1 up, at Royal Liverpool Golf Club to win the title. With the victory, Grehan earned exemptions into the 2026 Open Championship, 2027 Masters Tournament and 2027 U.S. Open. He was the first Irishman to win the Amateur Championship since James Sugrue in 2019. When asked after the victory about leaving the professional ranks, Grehan said: "I love golf, I love competing. To be able to come back and play as an amateur while working also, it's the best of both worlds."

Grehan represented the Ireland team which won the 2026 European Amateur Team Championship in July. This was Ireland's first victory in the competition since 2008. The following week, Grehan made his major championship debut at the 2026 Open Championship, where he shot rounds of 77-69 to miss the cut. He said afterwards: "I need to become a better putter."

Personal life Grehan married Carla Reynolds in 2023. As of 2025, he works as a financial advisor with a firm in Dundalk.

Amateur wins 2012 Irish Youths Amateur Close 2013 Firestone Invitational 2015 East of Ireland Open, South of Ireland Amateur Open 2017 R&A Foundation Scholars Tournament, Mullingar Scratch Trophy 2025 Irish Amateur Open, Irish Amateur Close 2026 East of Ireland Open, The Amateur Championship

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Professional wins (5) PGA EuroPro Tour wins (1)

Other wins (4) 2018 Palmares Classic VI 2024 Winter Tour Swing 2 (Villa Padierna), Toro Tour Winter Series 10

Results in major championships

CUT = missed the half-way cut

Team appearances Arnold Palmer Cup (representing Europe): 2016 (winners), 2017 European Amateur Team Championship (representing Ireland): 2016, 2017, 2025, 2026 (winners) St Andrews Trophy (representing Great Britain & Ireland): 2016, 2025 (winners) Eisenhower Trophy (representing Ireland): 2016, 2025 Walker Cup (representing Great Britain & Ireland): 2025

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