Sister Rosalie was born April 23, 1932, in Easton, Missouri, one of seven children of Arthur and Nora (Moyer) Digenan. She graduated from St. Patrick High School in Chicago and entered the Daughters of Charity in St. Louis in 1950.

Sister Rosalie earned a bachelor’s degree in elementary education from Fontbonne College (now University) in St. Louis in 1958 and a master’s degree in special education from Saint Louis University in 1965. She completed additional studies in theology and spirituality at St. Thomas Seminary in Denver, Colorado, in 1988.

Following initial formation, Sister Rosalie served as a teacher at St. Patrick Grade School in Chicago; Cathedral Grade School in Natchez, Mississippi; Cosgriff Memorial School in Salt Lake City, Utah; St. Pius X Home and School in Kansas City, Missouri; and Marillac Center in Kansas City. While in Kansas City, she also served as executive director at Marillac Center.

Sister Rosalie then served five years in Special Services for the Archdiocese of New Orleans. In 1984, she became a member of the Vincentian Formation Team at DeAndreis House/Vincentian Theologica in Denver. In 1988, Sister Rosalie became director of religious education for the Diocese of Springfield-Cape Girardeau, Missouri; then pastoral associate and campus minister at Missouri State University in Springfield.

She then was missioned to St. Louis to serve in mission integration at Marygrove in Florissant from 2010-18. In 2018, Sister Rosalie was missioned to Seton Residence in Evansville to serve in pastoral ministry and in a ministry of prayer until the time of her death.

Sister Rosalie was preceded in death by her parents; her brothers Gerald, Terrance and Richard Digenan; and her sisters Monica Digenan, Patricia Arnold and Sister Mary Ann Digenan. She is survived by nieces and nephews, her fellow Daughters of Charity and many friends. Burial was in St. Joseph Cemetery.