Wellesley Island Wellesley Island Wellesley Island in Jefferson County, New York, United States is partially in the Town of Orleans and partially in the Town of Alexandria. The island was named Wells Island but during his 1815 survey of the US-Canada border renamed by Captain William Fitzwilliam Owen to the current name to honor Arthur Wellesley, 1st Duke of Wellington. Several prominent points in and around the island were named after the Duke's victorious battles. None of those names stuck. The large bay around which the island folds is called Lake of the Isles, not Lake Waterloo. The island is located in
Wellesley High School girls ice hockey team won the state championship. In 2006, the Wellesley High School boys lacrosse team won the Division I All State Championships Varsity Sports in Wellesley for the 2014–2015 academic school year are as follows: Wellesley High School is widely known for their performing arts department, which has reached state and national levels on a consistent basis. Some of the most notable works by the Wellesley High School performing arts department include the Keynote and Rice Street singers (Conducted by Dr. Kevin McDonald) involvements with the Boston Pops, as well as the band and orchestra programs (Conducted by