Marcus Christopher McCann and Mason Albert McCann, the sons of Sean McCann and Angela Puopolo of Southbridge, died on Tuesday, October 28, at UMASS Medical Center of Worcester. A Mass of the Angels will be celebrated at 11 AM on Tuesday, November 3, at St. Francis Of Assisi Church, 441 Fellsway West, Medford, followed by interment at West Ridge Cemetery in Charlton. Relatives and friends are respectfully invited to attend and may visit with the family at the Dello Russo Funeral Home, 306 Main St., Medford, from 9:30 through 10:30 AM on Tuesday morning.