James Joseph Manahan, 87, of West Islip, NY and Port St. Lucie, FL, on June 28, 2018 and former FDNY Battalion Chief. Predeceased by his wife, Anna Marie. Survived by his loving children James (Laura), Mark and Karen Taylor. Cherished by seven loving grandchildren and adored by two great-grandchildren. Devoted brother to Mildred Hill (Kevin), Lillian Runyan and Billy Manahan. A memorial visitation will be held at O.B. Davis Funeral Homes, 4839 Nesconset Highway, Port Jefferson Station, NY, on Saturday from 2-4 p.m. The prayer service will be at 3 p.m.