O’Gannon, Brian P. ----- (1973-2017), of Swampscott, formerly of Medford and Worcester, July 5, 2017. Loving father of Maggie and Grady, husband of Kristina (Cullen) O’Gannon, son of Theresa (Turpin) Putnam of Worcester, brother of Mark Graham wife Katie Politi and their son Lorenzo of Branford, CT. Son-in-Law of Joseph F. and Regina Cullen of Wilmington, Brother-in-law of Joseph A. Cullen wife Lee and their children Sally, Caroline and Hugh of Reading, and loving pal Dempsey. Also survived by many aunts, uncles and cousins. Family and friends will honor and remember Brian with a funeral mass celebrated on Saturday, July 8, 2017 at 11:30 AM in St. Joseph’s Church, 118 High St., MEDFORD. In lieu of flowers, please make donations in Brian’s memory to The National Brain Tumor Society, https//nbtsevents.braintumor.org/brianogannon