Piacenza, Mary Ann, age 78, died December 7, 2011 in Sterling Heights, Michigan. Beloved wife of the late Joseph Richard Piacenza Sr. Loving mother of Joseph Richard Jr. Nina, Monta Arlet Ken Burnett, Darrell James Piacenza, Michael Andre Piacenza, and JoAnn Marie Steven Porter. Proud grandmother of Sherrise Galazka, Jordan Galazka, Joseph Richard Piacenza III Susan, and Teresa Piacenza Mathew, Ryan Rebecca Osinski, Justin Porter, Trevor Porter and Torre. Great Grandmother of Blake, Ashley, Tristin, Jordan, Ryan, and Robert. Great Great Grandmother of Jaidin. Beloved sister of Gerald, Daniel, Betty, Shirley, and Bonnie. Memorial visitation Saturday 1:00pm-9:00pm with a Celebration of Life Service from 6:00pm-8:00pm at Wm. Sullivan & Son Funeral Home, 8459 Hall Road 3 blks east of Van Dyke Utica. Memorials suggested to Christian Childrens Fund or St. Jude Childrens Research Hospital. Please share a memory with the family at www.sullivanfuneraldirectors.com