St Paul's GAA club in Lurgan have led the tributes following the tragic passing of one of their young members.
Caoimhin Mallon died "suddenly and unexpectedly" at Craigavon Area Hospital on Sunday.
The teenager had been a Year 11 pupil at St Ronan's College in Lurgan, Co Armagh with the school passing on their condolences to his family, reports Belfast Live.
Read more: Tributes pour in for 'lovable' young Tyrone footballer who died hours after league win
Caoimhin was described as the much-loved son of Donna and Jude and loving brother of Saoirse and Dáire, cherished grandson of Pat and Philip Mallon and Marie Harvey and Joe Toman.
His local GAA club St Paul's also offered their thoughts and prayers for the Mallon family.
"The Committee and members of Naomh Pól CLG An Lorgain deeply regret the death of our player Caoimhín, loving son of Committee member Jude and member Donna and loving brother of our Secretary Dáire and Saoirse," a club post said.
"We wish to offer our deepest sympathy to the entire family circle. Mary Queen of the Gael pray for him. Ar dheis lámh Dé go raibh a anam uasal."
His school also paid tribute online.
"It is with deep sadness that the school community at St Ronan's College learn of the death of our Year 11 pupil, Caoimhin Mallon," a St Ronan's statement read.
"We send our heartfelt sympathies and condolences to Caoimhin's family and friends at this sad time. St Ronan, pray for them.
"Ar dheis Dé go raibh a anam dílis. Amen."
A local youth project which Caoimhin had previously interacted with also said they were deeply saddened to hear of his untimely death.
"Drumgor Detached Youth Work Project are saddened to hear the passing of young person Caoimhin Mallon," a statement read on their Facebook page.
"When our team met Caoimhin, he was always pleasant and kind. He certainly kept our Youth Workers engaged with his wisdom and banter.
"Our thoughts and prayers are with his Family and Friends.
"Our Team will support Caoimhin’s friends and all who knew him over the coming days and weeks ahead.
"May He in Rest in Peace (RIP)."
Condolences were also offered by St John The Baptist's College in Portadown.
"We at the college would like to express our heartfelt condolences to the family and friends of the Year 11 St Ronan’s pupil Caoimhín Mallon," a statement said.
"May God bless them all at this devastating time."
Others paid tribute on Facebook, describing Caoimhin as a "beautiful young boy", a "lovely young man" and "such a sad loss."
His funeral will be from his home on Thursday at 9.15 am to St. Paul’s Church for 10.00 am Requiem Mass. Burial afterwards in St. Colman’s Cemetery.
His death notice said that "Caoimhín will always be loved and remembered by his parents, brother and sister, grandparents, uncles and aunts, cousins, and circle of friends."
The family have requested flowers only with donations in lieu if desired to, Asthma and Lung UK c/o McAlinden & Murtagh Funeral Directors, 2 North Street, Lurgan. T: 02838 324404 or the donation box in the family home or online via, justgiving in memory of Caoimhin Mallon.
READ NEXT:
Brentford target Caoimhin Kelleher in Liverpool transfer swoop
Everton fans pay tribute to Seamus Coleman during 5-1 win over Brighton
Jason Knight looks set to depart Derby County following League One disappointment
Star mare Princess Zoe removed from Tony Mullins' yard after disagreement between trainer and owner
Leinster leaving heartbreak behind to focus on Aviva glory, says Caelan Doris
Get the latest sports headlines straight to your inbox by signing up for free email alerts