William C. Plunkett
 William Caudwell Plunkett was an American politician who served as the 20th Lieutenant Governor for the Commonwealth of Massachusetts from 1854 to 1855. In 1853 he was a delegate to the state Constitutional Convention. He lived in Adams for over 50 years and held many of the local offices. He was born on October 23 1799 in Lenox Berkshire County Massachusetts. He died on January 19 1884 in Adams Berkshire County Massachusetts.