Mark G. Sember, 49, of Lockport, N.Y. and formerly of Jamestown, N.Y. died Wednesday, February 7, 2018 at his residence of natural causes. He was born February 21, 1968 in Jamestown, N.Y., the son of Sally Swanson Sember Kelly and the late John Sember. Mark was a 1986 graduate of Jamestown High School and earned his Bachelors of Science Degree from Buffalo State College. Mark previously worked at Transitional Services, Inc. inBuffalo, N.Y. as a supervisor for many years and for the past two years at Hillside Family of Agencies in Lockport, N.Y. Mark was passionate about his family. He loved music, guitar playing, reading and spiritual wellness. Mark was known for being devoted to his family, was a caring, loving and compassionate father, son, brother and friend to all.

Mark is survived by his son, Eric Sember of Lockport, N.Y., his mother and stepfather, Sally and Jim Kelly of New Smyrna Beach, FL. and Lockport, N.Y., brothers – John Sember of Altamonte Springs, FL., Steve Sember of New Smyrna Beach, FL., stepsisters – Debra Hopkins of Celina, TX., Barbara Kauffman of Philadelphia, PA., and step niece –Maudie Kauffman of Texas and an Aunt, Marilyn Drayer of Warren, PA and three cousins – Rick Drayer of Warren, PA., Matthew Drayer of Morgantown, WV., and David Drayer of Brooklyn, NY..

Friends may call at the Donald E. Lewis Funeral Home, Inc., 304 East Street, Warren, PA., on Thursday, February 15, 2018 from 4 to 7 P.M. A Mass of Christian Burial will be conducted Friday, February 16, 2018 at 11:00 A.M. at St. Joseph R.C. Church, 600 Pennsylvania Avenue West, Warren, Pa., with Fr. Richard Tomasone, Pastor, officiating. Interment will be in St. Joseph R.C. Cemetery. Those wishing to place memorials may do so through The Mockingbird Foundation, 12407 Willow Grove Court, Moorpark, CA 93021-2758 E-mail condolences may be sent by visiting