The 14-year-old died last Thursday after getting into difficulty while swimming with friends in Passage West.
He is survived by his parents Kevin and Evyonn and siblings Kayleigh, Sophie, Chloe, Mia, James and Isabelle.
The Coláiste Éamann Rís student will be laid to rest at St Catherine's Cemetery in Kilcully this afternoon.
Jack's mother Evyonn says it's clear that Jack was loved by everyone: