The daughter of Leo Thomas Jun and Helen Caroline Hufker, she was born Oct. 11, 1926, in Hannibal, Mo. She was preceded in death by her brother, Robert Jun, and she is survived by a sister, Dorothy Anderson of St. Louis, and a brother, Donald Jun, of South Bend, Ind.
Sister Mary Jude attended St. Mary Grade School in Alton and later Marquette High School. She entered the Ursulines on July 15, 1944, making vows on Jan. 16, 1947. She received a bachelor’s degree in English with a minor in art from the College of New Rochelle and a master’s degree in speech from St. Louis University. She served as teacher, principal, pastoral associate, missionary to Africa, novice assistant, juniorate assistant, in prison ministry, in internal community service, and at Imani Family Center in St. Louis. She was known among the Ursulines and among her family and friends as a tireless, lifelong advocate for social justice, and particularly toward the abolishing of the death penalty.
Sister Mary Jude returned to her home community in Alton in April 2010.
The memorial Mass was celebrated May 8 at the Ursuline Convent in Alton, with Father Richard Creason as the principal celebrant.
Memorials may be given to either Queen of Peace Healthcare Center, 845 Danforth Street, Alton, IL 62002; or Imani Family Center, 6350 Garesche, St. Louis, MO 63136.
Staten-Fine Funeral Home in Alton was in charge of arrangements.