Mary Jeanne Klasen, Masters degree in Computer Science and Teacher. 66 years of Chicago, native of Berkeley. Beloved daughter of the late Jeanne, nee Rigden and Philip. Dearest sister of Philip (Nancy), George (Benita), Daniel (Mary) and the late Kathleen. Loving aunt of John, Alex, Tom, Molly, Mary Kate, Kaitlin, Cotter and Tiffany. Fond niece, cousin and friend of many. Retired School Teacher from Chicago Public Schools and most of career at Senn High School. Resting at Conboy-Westchester Funeral Home, 10501 Cermak Rd. (2 blks. W. of Mannheim Rd.) Thursday, 3 to 9 p.m. Funeral Friday, 9:15 a.m. to St. Domitilla Church for Mass of Christian Burial at 10 a.m. Interment Queen of Heaven. Michael J. Bruno Funeral Director, 708-203-5400.