Sinsinawa Dominican Sister Colleen (Mary Avia) McNicholas, 84, died Aug. 3 in Hazel Green, Wisconsin.

Born in Chicago, she made her first religious profession in 1956 and her perpetual profession in 1959. She taught for 10 years before transitioning into educational administration for the next 22 years.

In the Archdiocese of Chicago, Sister Colleen taught at St. Luke, River Forest (1963-1966) and served the Sinsinawa Dominican congregation as director of sponsored ministry (1980-1985, 1989-1992). She served at Rosary College/Dominican University, River Forest, as education chair and faulty (1989-1995); dean of the School of Education (1995-2008); and director of the online graduate program (2008-2012). Sister Colleen served as volunteer research assistant at the Sister Mary Nona McGreal Center for Dominican Historical Studies, River Forest (2012-2016).

She also served in New Jersey, Iowa, Minnesota and New York.

She is survived by a sister, Sharon Peterson, and two brothers, John “Jack” McNicholas and James McNicholas.