Silas Betton was an American lawyer, sheriff and politician from the U.S. state of New Hampshire. He served as a member of the United States House of Representatives, the New Hampshire Senate and the New Hampshire House of Representatives during the late 1700s and early 1800s.

Londonderry is a town in western Rockingham County, New Hampshire, United States. It sits between Manchester and Derry, the largest and fourth-largest communities in the state. The population was 25,826 at the 2020 census. Londonderry is known for its apple orchards and is home to the headquarters of Stonyfield Farm and part of Manchester–Boston Regional Airport.