'He will be profoundly missed' - Lord Henry Mount Charles of Slane Castle dies at 74

Lord Henry Mount Charles, the owner of Slane Castle who famously turned his stunning property into one of Ireland's most iconic outdoor concert venues has died.

Known for his flamboyant style and outgoing nature, the 74-year-old died following a "long and valiant battle with cancer". Lord Henry, the 8th Marquess Conyngham, was an Irish aristocrat, businessmen, and hugely successful concert promoter who hosted legendary acts like U2, Oasis, Madonna, and The Rolling Stones since the early 80s.

In a statement, his family said Lord Henry will be profoundly missed for his warmth, humour, and resistance.

"It is with profound sadness that the family of Lord Henry Mount Charles, The Marquess Conyngham, announce his peaceful passing in the late hours of June 18th following a long and valiant battle with cancer. A beloved husband, father, grandfather, and custodian of Slane Castle, Lord Henry’s courage, and unwavering spirit inspired all who knew him.

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"Lord Henry (74) leaves behind an extraordinary legacy as a passionate steward of Ireland’s heritage, dedicating his life to preserving Slane Castle and transforming it into a beacon of culture, music, and community. His visionary leadership and generosity touched countless lives, while his warmth, humour, and resilience endeared him to friends, colleagues, and admirers across generations.

"The family wish to express their heartfelt gratitude to the exceptional staff at St. James’s Hospital, as well as the many caregivers who supported Lord Henry with compassion over the last decade. They are also deeply moved by the outpouring of public kindness and solidarity during this difficult journey.

"As they navigate this time of loss, the family kindly requests privacy to grieve and reflect on Lord Henry’s remarkable life. Funeral arrangements will remain private.

"Lord Henry’s light will continue to shine through the lives he enriched and the enduring contributions he made to Ireland’s cultural landscape. He will be profoundly missed, but never forgotten.