John J. Gayhart of East Boston passed away on March 25, 2012, he was 55. John was the loving son of Marie (Falanga) Gayhart of East Boston and the late James Gayhart. He is the loving father of Mark Dejesus. He is survived by his siblings, Mary Cicalese of Everett, Michael Gayhart of East Boston, Carol Ann Gayhart of East Boston and the late Jo-Ann Gayhart. He is also survived by loving nieces and nephews. A Mass of Christian Burial will be celebrated in Most Holy Redeemer Church, 72 Maverick St., East Boston on Wednesday, April 4th at 10am.