Mary M. O'Connor - beloved mother of William C. and Caileen Donahue;  former wife of William P. Donahue;  devoted daughter of the late Stasia Rochford and James O'Connor;  loving cousin of many.  Avid volunteer for St. James Parish, the U.S.O. and many other organizations.  Visitation Tuesday 3-9 p.m. at Cooney Funeral Home 625 Busse Hwy Park Ridge.  Funeral Wednesday 9:00 a.m.  going to St. James Church, 820 N. Arlington Hts. Rd for 10:00 a.m. mass.  Interment private.  Info 847-685-1002 www.cooneyfuneralhome.com