Kelsey Alberto Rivera Martinez, 17 of Berwick, died Thursday, June 5, 2014 at his residence. He was born September 4, 1996 in Puerto Rico, a son of Alberto Rivera and Rebecca Martinez. Kelsey was a junior at Berwick High School. He enjoyed music, playing the guitar, attending his Youth Group, and to joke with his family and friends. Kelsey also was a kind and loving son, brother, and friend. Surviving Kelsey are his parents, a brother, Kasey, and a sister, Kaily, all of Berwick. A Mass of Christian Burial will be celebrated 1:30 PM Tuesday, June 10 by Fr. Francis Tamburro at Immaculate Conception Church, 1730 Fowler Avenue, Berwick. Friends may call at the church from 12:30 until time of the service.