William Leo Delaney Sr., 70, of Hilton Head Island, S.C., a former Westport resident, died Nov. 30, 2010, at Mary Washington Hospital in Fredericksburg, Va.

He was a retired business representative and treasurer for the Local 15, International Union of Operating Engineers, in New York.

He is survived by his wife, Lynne; four children, William Delaney Jr., and wife Margaret of Illinois, Wendy Martin and husband Eric of New Jersey, Michael Delaney Sr. and wife Melissa of New Jersey, and Paige Salickram and husband Howard of Florida, 12 grandchildren, Ryan, Delaney, Shawn, Hagen, Kelly, Cailyn, William III, Patrick, Cullen, Sean, Michael Jr. and Kyle; and nieces and nephews.

He was predeceased by his parents, Joseph and Mary Delaney Sr., and a brother, Joseph Delaney Jr.

A memorial Mass will be held in St. Francis by the Sea Church at 10:30 a.m. Monday in Hilton Head Island. Burial will be in Gates of Heaven Cemetery, Hawthorne County, N.Y., at a later date. In lieu of flowers, memorial donations may be made to the American Heart Association, Founders Affiliate, P.O. Box 417005, Boston, MA 02241-7005, and/or the American Diabetes Association, P.O. Box 11454, Alexandria, VA 22312.