Kathleen Julia O'Day, 56, Worcester died peacefully Monday March 16, 2009, with her family by her side after a long illness. Kathleen is survived by a daughter Meghan O'Day and a son James M. O'Day both of Maine, a sister Eileen Cesaitis and her husband Robert of Worcester, two brothers Andrew O'Day Jr. and Timothy O'Day both of Worcester, and a granddaughter Brionna O'Day. She also leaves many cousins, nieces, nephews, aunts and an uncle. Kathleen was born in Worcester daughter of Andrew Sr. and Margaret (O'Connell) O'Day and lived here all her life. She was graduate of North High School. Kathleen worked as a waitress for several restaurants in Worcester. A funeral service for Kathleen will be held Thursday morning at 11AM in the MERCADANTE FUNERAL HOME & CHAPEL 370 Plantation St. a calling hour will be held from 10 AM until the time of service. Interment will be private. Contributions may be made to the Dana Farber Cancer Institute 10 Brookline Place West 6th Floor Brookline, MA. 02445.