John "Jack" Korejwa

10/16/1948 – 11/01/2026 

John (Jack) A. Korejwa of Summerville, S.C. formerly of Rockland, MA and the Boston area.

Jack was the father of and is survived by nine children: John Jr., Adam, Heidi (Korejwa) Leger, Christian Kaplinger, Matthew Kaplinger, Daniel Kaplinger, Jillmarie (Kaplinger) Murray, Timothy Kaplinger, and Richard Kaplinger. He was the beloved husband of Pamela (Brown) Korejwa, grandfather of 13 children and great-grandfather of 11 children. He has numerous nieces, nephews and great-nieces and great-nephews. He is also survived by his dear sister Dianne Scott.

Jack retired as an engineer from Raytheon after 35 years of service and was especially proud of the role he played in the development of the Patriot missile. Jack was an Army veteran who served in Vietnam and later volunteered with the Coast Guard for 25 years, including as an assistant lighthouse keeper at Boston Light, and took on many other supportive roles in service to his country.

Jack was known throughout his life as a talented musician and was active in several Catholic church choirs, and folk groups, and served as musical director for several children’s choirs in the South Shore area. He was especially fond of St. Joseph Catholic school in Holbrook, MA.

As a member of the St. Bonaventure Parish in Summerville, S.C. Jack served on the parish leadership council for 8 years, retiring earlier this year. Before his death, Jack took vows as a Benedictine monk and received the name Brother John Mary, in honor of his reverence for Our Lady. In lieu of flowers, please donate to your favorite charity and say a prayer for forgotten souls and those in purgatory.

A Funeral Mass will be held 1 pm on November 14, 2026 at DoubleTree Hotel, 405 Sigma Drive Summerville, SC 29486.

Internment will be held at 11:15 am on December 18, 2026 in Massachusetts National Cemetery Bourne, Massachusetts.