Nicholson, Sean P.  -of Lowell, April 24. Loving father of Olivia, Julia and Kelsey. Son of Bruce Nicholson and his wife Jane (Fernandes) of Lowell. Brother and best friend of Keith Nicholson of Lowell. Sean is also survived by many loving aunts, uncles, cousins and everyone in the Severino family. Sean's funeral will begin at the Funeral Home on Saturday, April 30th at 9:30am.  His funeral Mass will be held in St. Theresa's Church, 63 Winter St. (Rte. 62), North Reading at 10:30am. Relatives and friends may visit with the family on Friday from 4-8 pm. Please omit flowers and make donations in Sean's memory at www.gofundme.com/259xs4s4.