He was married to Julia E. Cote with whom he celebrated their 42nd wedding anniversary on May 20, 2015.
Born in Lowell, he was the son of the late Marcel Cote and Anita (Lussier) Pelletier. He attended the Lowell and the Westford Public Schools.
He proudly served with the U.S. Navy during the Vietnam War.
Dennis worked as a machinist for Comet Plastics, WNA of Chelmsford, retiring on January 7, 2015. He had previously worked for Hussey Plastics of Tyngsborough for 27 years and Family Products of Tyngsborough.
He enjoyed doing crossword puzzles, cooking, traveling and observing nature. His greatest joy was spending time with his grandson.
Dennis was an avid fisherman.
Besides his loving wife, he is survived by his daughter, Jennifer and her husband, Anthony Arroyo of Fremont, NH; sister, Ann and her husband, John Kappler of Lowell; grandson, Jared D. Cote of Tyngsborough; two nieces, Lisa Kappler of Lowell and Kerry and her husband, Keith Stockton of Tyngsborough and great niece, Kassity Stockton of Tyngsborough.
He was the brother of the late Mark Cote of NH.
Visiting hours Thurs. 4 to 8 P.M. Funeral Fri. at 12 Noon from the DOLAN FUNERAL HOME 106 MIDDLESEX ST. CHELMSFORD, with a funeral service at 1P.M. at St. John the Evangelist Church. Burial in St. Catherine’s Cemetery, Westford. Memorials may be made in his name to the Lowell Humane Society, 951 Broadway St., Lowell, MA 01854. ARRANGEMENTS BY DOLAN FUNERAL HOME 978-251-4041.