Mary Quinn O'Connor passed away peacefully at home January 14, 2021. She was a cherished mother of 5 children: Ciaran, Diarmuid, Neasa (Omari Johnson), Deirdre and Fionnuala O'Connor, and wife to Mossie O'Connor. Devoted Nan to Ciara Johnson. Dear sister to Sean, Eille, Paudie, Peigi, Deirdre, Lulu, Beirni, Pat and Muiris Quinn. Mary was a dear friend to so many, and a second mother to so many more.  She is now resting with her parents; Peig and Muiris and sister Bridin. Services will be held January 23rd, 2021 from 3pm to 8pm at Cooney Funeral Home, 625 Busse Hwy Park Ridge, IL 60068. Interment private. In lieu of flowers, donations to ocrahope.org are appreciated. For information please call 847-685-1002 or visit www.cooneyfuneralhome.com