The following is a list of famous and notable former students of St. Mark's School of Southborough, Massachusetts.
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A Charles Francis Adams IV, businessman and philanthropist associated with Woods Hole Oceanographic Institute Samuel A. Adams, '51, crusading CIA official who exposed bad Vietnam intelligence of Defense Department Matthew Tobin Anderson '86, writer, winner of National Book Award A. Watson Armour III, businessman and philanthropist
B
Charles L. Bartlett, 1956 winner of the Pulitzer Prize for National Reporting Melsahn Basabe, basketball player Walter Van Rensselaer Berry, lawyer, friend and mentor of Edith Wharton Mike Birbiglia, comedian, class of 1996 Ben Bradlee, former editor, The Washington Post Nicholas F. Brady, U.S. treasury secretary (1988–93); New Jersey senator (1982) Nicholas Braun, actor John Leslie Breck, class of 1877, friend of Claude Monet who introduced Impressionism to the United States Doug Brown, former National Hockey League player Greg Brown, former National Hockey League player, current head coach of Boston College Eagles men's ice hockey Edward Burnett, U.S. representative from Massachusetts
C Wayne Chatfield-Taylor, president of the Export-Import Bank, undersecretary of commerce Gregory R. Ciottone, Harvard professor, White House consultant, president emeritus of the World Association for Disaster and Emergency Medicine, pioneering physician in counter-terrorism medicine Blair Clark, journalist, former general manager of CBS News Nick Clements, theoretical linguist specializing in phonology, notably with CNRS in Paris Ernest Amory Codman, pioneering surgeon who made contributions to a variety of specialties and the study of medical outcomes William G. Congdon, representationalist painter who used abstract expressionism techniques Harry Crosby, poet and founder of the Black Sun Press
D J. Richardson Dilworth, former Yale trustee and benefactor of Yale University Peter Hoyt Dominick, U.S. congressman, then senator for Colorado; US ambassador to Switzerland
E Kenward Elmslie, lyricist, librettist, and playwright
F
Hamilton Fish III, U.S. congressman from New York, 1920–1945; elected to College Football Hall of Fame Hamilton Fish V, publisher, politician and philanthropist Christopher Forbes, publisher, vice-chairman of Forbes Inc. Peter Hood Ballantine Frelinghuysen, Jr., U.S. representative from New Jersey 1953–1975 Rodney P. Frelinghuysen, U.S. representative from New Jersey 1995–2019
G
Stephen Galatti, visionary director general of the American Field Service and educational pioneer David Gardner, founder of the Motley Fool C. Boyden Gray, White House counsel to President George H. W. Bush; U.S. envoy to the European Union
H Michael N. Hall, molecular biologist Mason Hammond, Harvard University classicist and Harvard historian Truxtun Hare, Olympic athlete; elected to College Football Hall of Fame Prince Hashim Al Hussein, of Jordan Hal Haskell, U.S. representative from Delaware and former president of Abercrombie and Fitch Ingolv Helland, portrait artist
I John Jay Iselin, former president, The Cooper Union in New York City
J
K Robert Winthrop Kean, U.S. representative from New Jersey 1938–1959 Thomas Kean, former New Jersey governor; former chairman of the 9/11 Commission; former president of Drew University John Marshall Kernochan, IPR pioneer; founder of Columbia Law School's Kernochan Center for Law, Media, and the Arts William A. Knowlton, four-star general, former superintendent of West Point
L
Storm Large, musician; her father Henry spent 45 years teaching history and coaching football and baseball at the school before his retirement in 2010 Frederick Lippitt, Rhode Island lawyer, politician, public servant and philanthropist Robert Lowell, poet
M
Robert McC. Marsh (1878–1958), lawyer, politician, and judge Samuel Livingston Mather II, Ohio industrialist, philanthropist, and benefactor of Kenyon College Lansing McVickar, career officer with the United States Army Mark Mulvoy, sports journalist and writer for The Boston Globe and Sports Illustrated Story Musgrave, astronaut
N Dmitri Nabokov, son and translator of Vladimir Nabokov Jordon Nardino, television writer Eugene Nickerson, federal judge and Nassau County, New York politician John H. Noseworthy, CEO and president of Mayo Clinic Health System
O
P Robert William Packwood, senator from Oregon 1969–1999 G. Willing "Wing" Pepper, Philadelphia businessman and philanthropist Sheffield Phelps, Seattle philanthropist and arts patron William Stone Post, architect Joseph Pulitzer III, publisher Ralph Pulitzer, publisher George Putnam III '69, 1990 USA Todays investor of the year; trustee for The Putnam Companies
Q
R Franklin Delano Roosevelt III, economist George Emlen Roosevelt, financier and philanthropist William Donner Roosevelt, investment banker and philanthropist Emily Rutherfurd, television actress
S Stephen "Laddie" Sanford, international polo player John Sargent, former president and CEO of publisher Doubleday and Company Eugene Lytton Scott, tennis player; member of International Tennis Hall of Fame, founder of the magazine Tennis Week John Sculley, former president of PepsiCo and former CEO of Apple Computer John W. Sears, Massachusetts Metropolitan District commissioner Mason Sears, member of the Massachusetts General Court, chairman of the Massachusetts Republican Party, and United States representative to United Nations Trusteeship Council John Simpkins, representative from Massachusetts, 1895–1898 Nik Stauskas, professional basketball player (Sacramento Kings)
T Kaleb Tarczewski, basketball player Robert H. Thayer, New York lawyer, diplomat, and intelligence officer Sigourney Thayer, theatrical producer, World War I aviator and poet Henry Thrun, current defenseman for the San Jose Sharks Herbert Sears Tuckerman, former Massachusetts state representative and senator Harrison Tweed, New York lawyer and bar association officer
U
V Harold Stirling Vanderbilt, railroad executive, champion yachtsman and champion bridge player
William Kissam Vanderbilt II, railroad executive, industrialist, yachtsman, Fisher Island founder
W James Wolcott Wadsworth Jr, New York senator 1915–1927 T. Tileston Wells, consul general for Romania in America O.Z. Whitehead, character actor Karl Wiedergott, actor, best known for doing voices for The Simpsons; his father Fritz was the longtime athletic director at the school Sean Wilsey (did not graduate), memoirist
X
Y Scott Young, National Hockey League player, St. Louis Blues
Z
References