Eleanore Helen Kostelc, 87, of Pinedale, Wyoming passed away Tuesday, March 21, 2017 at St. John's Medical Center in Jackson, Wyoming with family at her side.  She was born in Joliet, Illinois on May 30, 1929 to Conrad Kiefner and Rose (Offerman) Kiefner.

She attended St. Frances Academy for high school.  At age 22, she married Donald Kostelc on August 25, 1951 in Joliet, Illinois.  She had two children, Daniel Robert Kostelc and Ellen Mary Kostelc.  She resided in Joliet until she moved to Presque Isle, Wisconsin in September 1985 where she spent her time enjoying the beautiful North Woods.  In October 2012 , she moved to Pinedale, Wyoming where she first resided in an apartment at the Sublette Center until she moved in with her son two years ago.

Eleanore is survived by her older sister, Rosemary Errek of Escondido, California; her son, Daniel Robert Kostelc of Pinedale; her daughter, Ellen Mary Schultz and her husband James Robert Schultz of Mahomet, Illinois; and sister-in-law and her husband, Robert and Rosemary Lenzi of Lockport, Illinois.  She has six grandchildren: Theresa Kostelc, Mary Kostelc, Gina (Kostelc) Tester and her husband Joseph Tester, Christina Kostelc, Joshuah Schultz, and Emma Schultz.  She has extended family including many nieces and nephews around the country.  She was preceded in death by her spouse; parents; one older sister, Dorothy Wicburg; one older brother, Robert Kiefner; and daughter-in-law, Kathleen Kostelc.

She was active at St. John the Baptist Catholic Church in Joliet, Illinois and St. Rita's Catholic Church in Presque Isle, Wisconsin.  She was an active member of Our Lady of Peace Catholic Church in Pinedale.

She loved reading many different books and watching her favorite Perry Mason dvds.  She also enjoyed going for walks.  She liked playing cards and games with her grandchildren.