Sister of Christian Charity M. Madeline (Martha Clara) Portner, 104, died on April 5 at Sacred Heart Convent, Wilmette.

Born in Minnesota, she entered the postulancy in 1935. She professed perpetual vows in 1943.

Sister M. Madeline taught elementary school in Michigan, Minnesota, Iowa and Louisiana before serving as librarian at St. Teresa School (1984-1990). She also served as a tutor at Josephinum Convent (1999-2001). She worked in the Sacred Heart Convent library in Wilmette (2001-2006) before retiring in 2007 from active ministry.