Nancy P. (Petropoulos) Kacoyanis of Watertown passed away on March 18, 2021. Mother of Charles Kacoyanis & his wife Josephine, Jason Kacoyanis & his wife Theresa and Laura Sikalis & her husband Steven.  Wife of the late Nicholas C. Kacoyanis  Sister of  Andromache Sheehey , the late Larry Petros, the late John Petropoulos and the late Frances Petropoulos, and the late Constance Coulopoulos.  Grandmother of  Nicholas Kacoyanis & his wife Catherine,(the late) Kristen Kacoyanis ,Cassandra  Bazarian & her husband Matthew, Karissa Leone & her husband Nicholas, Jason Kacoyanis, Jr.,  and Alexa & Peter Sikalis. Great grandmother of John, Fiona and Charlotte Kacoyanis. Also survived by many nieces, nephews, relatives and friends. Nancy more than anything loved spending time with her children, grandchildren and great grandchildren. She loved spending time at her house on Cape Cod where she enjoyed going to the beach, bowling and her quilting group. She enjoyed travelling on her many European excursions with the Sts. Constantine & Helen Greek Orthodox Church group. She had a giving nature in her unassuming way by donating to many charities by knitting hats, blankets and sewing quilts for babies. For many years , she volunteered for the United Cerebral Palsy Foundation in Watertown. She achieved her goal of graduating from Northeastern University with a bachelors degree in science. Past District Governor of the Cambridge Daughters of Penelope. Nancy was an avid Boston Celtics fan . She will be forever cherished and missed so very much.  Funeral service on Tuesday, March 23, 2021 at 11 AM in Sts. Constantine & Helen Greek Orthodox Church, 14 Magazine St., Cambridge, MA.  Visitation in the church prior to the service from 10- 11 AM.  In lieu of flowers donations in her memory may be made to the above named church or the American Heart Association, 300 5th Avenue, Suite 6 ,Waltham, MA 02451 . Burial in Mt. Auburn Cemetery, Cambridge, MA.