Brooke Ivey Johnson
Published June 9, 2026 5:25pm
Updated June 9, 2026 5:58pm
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Fontaines D.C. has revealed that their manager, Trevor Dietz, has died at 47-years-old (Picture: Instagram)
The band members of Fontaines D.C. have announced the death of their long-time manager, Trevor Dietz, at 47-years-old.
‘We are utterly heartbroken to let you know that on Sunday June 7, we lost our dear friend and manager Trevor,’ the band wrote on social media.
‘Trevor was beside us from the beginning of our journey as a band, we have never known Fontaines D.C. without him, the sixth member of the band. He cared passionately for us and for what was fair and right in the wider world. He was fearless in his beliefs. We will miss him always.
‘We ask that you kindly respect our privacy and that of his family at this terribly difficult time. RIP Trev.’
The manager’s cause of death has not been publicly revealed.
Dietz had been with the band, formed of frontman Grian Chatten, guitarists Conor Curley and Carlos O’Connell, bassist Conor Deegan and drummer Tom Coll, since the beginning of their career, signing them in 2016 ahead of their breakthrough debut album Dogrel.
The band said they would ‘miss him always’ in their emotional tribute to Dietz (Picture: Instagram)
They’ve since released four critically acclaimed albums, including their latest album, 2024’s Romance. Dogrel and Romance were both shortlisted for the Mercury Prize in 2019 and 2025, respectively.
Fans and friends quickly flooded the comments of the Instagram post to share their shock and sadness, with Kneecap‘s Moglai Bap writing ‘uaimhneas síoraí Trev’ (‘rest in peace, Trev’).
Baxter Dury wrote: ‘heartbreaking , all my love to all of you.’
DJ Krystal Klear commented, touching on Dietz’s contributions to Dublin’s live music scene: ‘One of the all time greats. The reasons hundreds of us in Dublin had a place to listen to the music that carved our entire future. I still can’t believe it. RIP Trev Radiator.’
Fontaines D.C. has become one of the most influential rock bands in the world (Picture: PA)
They described him as their ‘sixth member’ (Picture: Instagram)
Many Dubliners know Dietz from his long tenure as a promoter at The Workman’s Club, where his excellent taste gave countless acts their start in the industry.
Dietz began working with Workman’s in 2010, and saw Fontaines D.C. play while they were still students. He booked them to play at the live music venue multiple times before becoming their manager and biggest supporter.
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‘I spotted them and put them on three or four times at the Workman’s and then we decided to take the relationship from promoter to manager,’ he said of Fontaines D.C.’s rise to fame in a 2019 talk as part of Hot Press MIX (Music Industry Xplained) Course Wrap Night, according to Hot Press.
Dietz (left) was also known as a major tastemaker in the Dublin music scene (Picture: Instagram)
He continued: ‘I’d been putting on bands for 20 years, and had my plan of attack ready for when one jumped out at me.
‘I’d watched and studied the managers who came into the venue; people like Frank Murray, God rest his soul, who looked after The Pogues.
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‘He called me just before he passed away – Frank was looking after the Mighty Stef at the time – and said, “Have you found a band yet? No? Well, just go out and find them!” Lo and behold, these guys came along pretty soon after.’
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