Providence Sister Mary Catherine (Marikay) Duffy, 90, died March 20 in St. Mary of the Woods, Indiana.

Born in Indianapolis, she entered the Sisters of Providence in 1953 and was given the name Sister Marie Michele. She professed final vows in 1960.

Of her 73 years as a Sister of Providence, she ministered in elementary schools in Illinois and California for nine years and then ministered in Arequipa, Peru, for nine years. Upon return, she served in the Archdiocese of Indianapolis’ Hispanic apostolate, and in 1987 was part of founding the Hispanic Education Center. She continued working in Hispanic ministry and ministry to immigrants.

In the Archdiocese of Chicago, she taught at St. Athanasius, Evanston (1955-1956); Our Lady of Mercy (1956-1958); and St. Sylvester (1958-1961).