- U.S. social and political figure (wife of John Adams).
- U.S. writer.
- U.S. photographer.
- U.S. historian and political scientist (son of Charles Francis Adams and brother of Henry Brooks Adams).
- U.S. statesman: minister to Great Britain 1861–68 (son of John Quincy Adams).
- U.S. author and columnist.
- U.S. historian, writer, and teacher (son of Charles Francis Adams).
- U.S. historian.
- 2nd president of the U.S. 1797–1801: a leader in the American Revolution.
- Barbadian political leader: prime minister 1976–85.
- 6th president of the U.S. 1825–29; secretary of state 1817–25 (son of John Adams).
- U.S. poet.
- U.S. actress.
- U.S. chemist.
- American statesman: a leader in the American Revolution.
- U.S. journalist and novelist.
- U.S. astronomer.
- a mountain in southwestern Washington, in the Cascade Range. 12,307 feet (3,751 meters).
- a mountain in northern New Hampshire, in the White Mountains. 5,798 feet (1,767 meters).
- a city in western Massachusetts.
- a mountain in SW Washington, in the Cascade Range. Height: 3751 m (12 307 ft)
- Gerry, full name Gerrard Adams . born 1948, Northern Ireland politician; president of Sinn Féin from 1983: negotiated the Irish Republican Army ceasefires in 1994–96 and 1997; member of the parliament of the Irish Republic from 2011
- Henry (Brooks). 1838–1918, US historian and writer. His works include Mont Saint Michel et Chartres (1913) and his autobiography The Education of Henry Adams (1918)
- John. 1735–1826, second president of the US (1797–1801); US ambassador to Great Britain (1785–88); helped draft the Declaration of Independence (1776)
- John Coolidge. born 1947, US composer; works include the operas Nixon in China (1987) and The Death of Klinghoffer (1991)
- John Couch. 1819–92, British astronomer who deduced the existence and position of the planet Neptune
- John Quincey. son of John Adams. 1767–1848, sixth president of the US (1825–29); secretary of state (1817–25)
- Richard. born 1920, British author; his novels include Watership Down (1972), The Plague Dogs (1977), and Traveller (1988)
- Samuel. 1722–1803, US revolutionary leader; one of the organizers of the Boston Tea Party; a signatory of the Declaration of Independence