Providence Sister Mary Lois (Ollie Marie) Hennel, 98, died April 3 in St. Mary-of-the-Woods, Indiana.

Born in Indiana, she entered the Sisters of Providence in 1946 and professed final vows in 1954.

In her 79 years as a Sister of Providence, she ministered as a teacher in schools in Indiana, Illinois, Massachusetts and New Hampshire. In 1970, she left teaching for administrative work, serving the St. Gabriel Province in Indianapolis and the Archdiocese of San Francisco. She also served in the business office at the motherhouse.

After retiring in 2002, she continued to serve as a volunteer in the business office and in the Providence Food Pantry.

In the Archdiocese of Chicago, she ministered at Our Lady of Sorrows (1949-1953) and as secretary at Mother Theodore Guerin High School, River Grove (1990-1994).

Sister Mary Lois is survived by a brother, Joseph Hennel, and a sister, Maggie Hennel.