Sister of Christian Charity Irma (Catherine) Dreger, 97, died May 19 at Sacred Heart Convent, Wilmette.

Born in Chicago, she entered the postulancy in 1933, and was received into the novitiate the next year. She made her perpetual profession of vows in 1942. She taught elementary and high school in Michigan, Louisiana, Minnesota and Iowa in addition to Illinois. In the Archdiocese of Chicago, she taught at St. Aloysius (1955-1956) and St. Gregory (1957- 1958, 1965-1969. She served as secretary (1969-1971) and teacher (1973-1974) at Josephinum, substitute superior and principal at St. Alphonsus, Prospect Heights (1971); worked in public relations at Mallinckrodt College (1971-1973). She moved to the motherhouse in Wilmette and continued to teach English at Mallinckrodt College, do community research and serve as annalist and telephone receptionist.

In 1999, Sister Irma returned to the Josephinum where she tutored in the SCC Literacy Program for the next six years. The year 2005, she moved to Sacred Heart Convent, where she continued to translate German obituary letters and wrote obituary letters for the Western Province. In 2006 she accepted the invitation to become assistant editor of the SVD Missionary Magazine, Divine Word.