Mark R. Lukas, 45, of Grafton passed away on Saturday, July 14, 2012. He was predeceased by his loving mother, Nancy M. (Hamilton) Lukas. Mark is survived by his father, Richard L. "Luke" Lukas of Grafton; two sisters, Karyn A. O'Connor and her husband David of Grafton and Krystal B. Kenney and her husband Michael of Sutton; three nephews, Luke B., Jake E., Owen M.; and a niece, Emilee N.; as well as many aunts, uncles and cousins. Mark was born in Worcester and lived most of his life in Grafton. He graduated from Grafton High School. He enjoyed cooking, gardening and had a passion for animals. He enjoyed spending time with his niece and nephews. There are no calling hours or services scheduled at this time. In lieu of flowers, donations may be made to The Samaritans, 41 West St., 4th Floor, Boston, MA 02111. MERCADANTE FUNERAL HOME & CHAPEL, Worcester.