Sinsinawa Dominican Sister Mary (Mary Colum) O’Donnell, 88, died June 6.

Born in Massachusetts, Sister Mary made her first religious profession in 1956 and her final profession in 1959. She taught math and physics for 56 years, serving in a high school and colleges. Sister Mary ministered in Nebraska, Illinois, Michigan and Mississippi.

In the Archdiocese of Chicago, Sister Mary taught at Rosary College/Dominican University, River Forest (1961-1970, 1971-1980 and 1984-2000). She served as lab instructor at University of Illinois at Chicago (2001-2005) and tutor at Malcolm X College (2001-2015).

She is survived by two sisters, Elizabeth Berry and Annie Burch; and a brother, John O’Donnell.