Felician Sister Mary Lourdine (Irene) Lachowski, 101, died on Jan. 6 at Mother of Good Counsel Convent.

Born in Joliet, she joined the Felician Sisters aspirancy in 1938 and attended Good Counsel High School.  She entered the Felician Sisters postulancy in 1942 and professed her final vows in 1950. She ministered for over 50 years as a teacher and principal in elementary schools in Illinois and Wisconsin. Later, she was active in Mercy Home Phone Ministry.

In the Archdiocese of Chicago, she ministered at St. Helen (1942-1943); St. Joseph (1944-1949); St. Bruno (1952-1953); St. Wenceslaus (1953-1960); Ascension (1963-1971); Holy Innocents (1971-1972); St. Linus, Oak Lawn (1972-1982); and Our Lady of Ransom, Niles (1982-2004); and Mercy Home for Boys & Girls (2004-2020).