Sean Patrick O'Brien died at Massachusetts General Hospital after a valiantly fight with cancer, Sean entered eternal life in the early morning of Sunday, October 18, 2015 surrounded by his devoted family. Born on August 15, 1962 and the 6th of nine children to Gerald and Donalda (Kirk) O'Brien, Sean was a lifelong resident of Melrose. Upon graduating from Melrose High School in 1980, Sean began a 4 year career with the Navy. After the Navy, Sean attained his Bachelor's Degree from Boston University in 1990 and his Master's Degree from Emerson College in 1995. He worked for Keyport Life Insurance Company for 15 years before moving to Aviva Insurance Company in Quincy. Since 2008, Sean has been the Vice President of New Business Operations for the John Hancock Insurance Company. Sean was very involved in the Melrose community, having coached and served as a board member of the Youth Soccer program for many years. In addition to Melrose Youth Soccer, Sean was very active in St. Mary's Church where he was an Eucharistic Minister and lector. Sean was also very involved with St. Mary's School and the PTO, serving 2 terms as president and 5 terms as treasurer. All who were fortunate enough to know Sean were blessed by his extraordinary kindness, selflessness, and compassion. Despite the extended course of medical treatment Sean endured over the last 5 years, he refused to let his diagnosis define him. Sean continued to embrace life to the fullest with an open heart, positive attitude, and unwavering faith. Sean left this world no differently than the way he lived his life - with dignity and grace. He is survived by his beloved wife Julie (Kelleher), and adored children Isabel, John, Mary and Peter, all of Melrose; his brother Gerald of Ohio, Colleen O'Brien Senges of Oklahoma, Michael O'Brien of California, Dawn Marie O'Brien of Burlington, Dennis O'Brien of Wakefield, Erin O'Brien of North Reading, Thomas of Wakefield, and Shannon Merlin of Reading. Also survived by a host of nieces, nephews, aunts, uncles and a wonderful group of supportive and loving friends. Visitation will be held at the Gately Funeral Home, 79 W. Foster St. Melrose, on Wednesday, October 21st, from 4:00-8:00PM. Funeral from the Gately Funeral Home, on Thursday, October 22nd at 9:15AM followed by A Mass of Christian Burial at St. Mary's Church, Herbert St. Melrose at 10:30AM. Relatives & friends are respectfully invited to attend. Interment at Wyoming Cemetery in Melrose. In lieu of flowers contributions may be made in Sean's name to St. Mary's School, 4 Myrtle St. Melrose, MA 02176.