Waltham - Mr. Ronald M. Dennehy, of Waltham, died peacefully in his home on Sunday, November 15, 2009 surrounded by his loving family. He was 77. Ron was born in Waltham on February 16, 1932, a son of the late Paul and Thelma H. (Jackson) Dennehy and had been a lifelong resident. A 1950 graduate of Waltham High School, he worked for twenty-five years at Bentley College as the head groundskeeper and after that he worked as a security officer for many years for the Raytheon Corporation until his retirement. During the Korean War Ron served with the United States Army. He re-enlisted in 1953 and his unit was sent to Germany where he met his future wife, Trudy. They married in Germany in 1955 and after Rons discharge from the service a year later the family settled in Waltham. He was a life member of the Benevolent and Protective Order of Elks, Lodge No. 953 in Waltham and was a New England sports fan. Ron also enjoyed vacationing in Wells Beach, Maine with his family and was an avid reader who enjoyed history. He leaves his wife, Trudy A. (Schoepf) Dennehy; his children, Joanne M. Curran and her husband, Dave, of Framingham, Scott Dennehy and his wife, Diane, of Billerica and Sharon E. Richard and her husband, Bob, of Waltham; his brother, Robert Dennehy and his wife, Elaine, of Attleboro; his sisters, Thelma Casella and her husband, Bob, of Waltham and Joanie Laurence and her husband, Jim, of Northborough; his brother-in-law, Jack Kelly of Maynard; his grandchildren, Louie and Kristin Cannistraro, Lisa Cantin, Robert, Andrew, and Sean Richard, and Kelley, Melissa, and Scott Dennehy, Jr. and many loving nieces and nephews. Ron was the twin brother of the late Paul Dennehy and a brother of the late Walter Buncey Dennehy and Eileen Kelly. Family and friends will honor and remember Ron's life by gathering for calling hours in The Joyce Funeral Home, 245 Main Street (Rte.20), Waltham on Wednesday from 4 to 8 p.m. and again at 10 a.m. on Thursday morning when his funeral service will be held. Burial will follow in Mount Feake Cemetery, Waltham. Memorial donations may be made to Partners Hospice, 281 Winter Street, Suite 200, Waltham, MA 02451.