Mari Ferris, of Oyster Bay, died on May 4, 2012. Beloved daughter of William F. and the late Rita. Loving sister of William (Bonnie), Gerard and Richard (Diane). Cherished aunt of Catherine, Joan, Elizabeth, Katie, and Michael. Great-aunt of Aaron. She was a partner at Pricewaterhouse Coopers. Arrangements were made by the Francis P. DeVine Funeral Home, Oyster Bay. Funeral Mass at St. Dominic’s RC Chapel. Interment to follow Locust Valley Cemetery. In lieu of flowers donations may be made to St. Dominic’s Schools Scholarship Fund.