Although not known for certain, this town was probably named from Charles Mordaunt, third Earl of Peterborough. Other possibilities include it having been named Peter's Borough for Peter Prescott, clerk of the Masonian Proprietors, or for St. Petersburg in Russia. Peterborough was among the soldier's towns named during the term of Governor Jonathan Belcher when New Hampshire was still a province of Massachusetts. The town had the first free public library supported by taxation, and the first mill in the state that wove cloth mechanically. It is home to the MacDowell Colony, a retreat for writers, artists, and composers. Guests have included Edward Arlington Robinson, Leonard Bernstein, and Thornton Wilder, whose play Our Town was inspired by Peterborough.
