Jesse Poore Guilford was an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 amateur

Amateur

An amateur is generally considered a person attached to a particular pursuit, study, or science, without pay and often without formal training....

 golf

Golf

Golf is a precision club and ball sport, in which competing players use many types of clubs to hit balls into a series of holes on a golf course using the fewest number of strokes....

er. He is most notable for winning the United States Amateur Championship in 1921.

Guilford was born in Manchester, New Hampshire

Manchester, New Hampshire

Manchester is the largest city in the U.S. state of New Hampshire, the tenth largest city in New England, and the largest city in northern New England, an area comprising the states of Maine, New Hampshire, and Vermont. It is in Hillsborough County along the banks of the Merrimack River, which...

. He was one of the top amateur golfers in Massachusetts

Massachusetts

The Commonwealth of Massachusetts is a state in the New England region of the northeastern United States of America. It is bordered by Rhode Island and Connecticut to the south, New York to the west, and Vermont and New Hampshire to the north; at its east lies the Atlantic Ocean. As of the 2010...

, as well as the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. His nickname was "Siege Gun" for his long drive qualities. He played on three of the first four Walker Cup

Walker Cup

The Walker Cup is a golf trophy contested biennially in odd numbered years between teams comprising the leading amateur golfers of the United States and Great Britain and Ireland...

 teams (1922, 1924, and 1926).

Guilford died in Newton, Massachusetts

Newton, Massachusetts

Newton is a city in Middlesex County, Massachusetts, United States bordered to the east by Boston. According to the 2010 U.S. Census, the population of Newton was 85,146, making it the eleventh largest city in the state.-Villages:...

.

Tournament wins

• 1913 New Hampshire Amateur
• 1916 Massachusetts Amateur, New Hampshire Amateur
• 1917 New Hampshire Amateur
• 1919 Massachusetts Open
  Massachusetts Open
  The Massachusetts Open is the Massachusetts state open golf tournament, open to both amateur and professional golfers. It is organized by the Massachusetts Golf Association. It has been played annually since 1905 at a variety of courses around the state. It was considered a PGA Tour event from...
  
  
• 1921 Miami Invitational, Massachusetts Amateur, U.S. Amateur
• 1923 Gold Mashie Tournament
• 1924 Massachusetts Amateur
• 1926 Gold Mashie Tournament
• 1929 Massachusetts Open
  Massachusetts Open
  The Massachusetts Open is the Massachusetts state open golf tournament, open to both amateur and professional golfers. It is organized by the Massachusetts Golf Association. It has been played annually since 1905 at a variety of courses around the state. It was considered a PGA Tour event from...
  
  

Amateur wins (1)

Year	Championship	Winning Score	Runner-up
1921	U.S. Amateur	7 & 6	Robert A. Gardner Robert A. Gardner (golfer) Robert Abbe Gardner was an American multi-sport athlete best known for winning the U.S. Amateur in golf twice....

Results timeline

Guilford never played in the Masters Tournament or the British Open

The Open Championship

The Open Championship, or simply The Open , is the oldest of the four major championships in professional golf. It is the only "major" held outside the USA and is administered by The R&A, which is the governing body of golf outside the USA and Mexico...

. As an amateur, he could not play in the PGA Championship

PGA Championship

The PGA Championship is an annual golf tournament conducted by the PGA of America as part of the PGA Tour. It is one of the four major championships in men's professional golf, and is the golf season's final major, usually played in mid-August, customarily four weeks after The Open Championship...

.

Tournament	1914	1915	1916	1917	1918	1919
U.S. Open U.S. Open (golf) The United States Open Championship, commonly known as the U.S. Open, is the annual open golf tournament of the United States. It is the second of the four major championships in golf, and is on the official schedule of both the PGA Tour and the European Tour...	DNP	DNP	DNP	NT	NT	T24
U.S. Amateur	R16	R32	SF	NT	NT	DNP
British Amateur	DNP	NT	NT	NT	NT	NT

Tournament	1920	1921	1922	1923	1924	1925	1926	1927	1928	1929
U.S. Open U.S. Open (golf) The United States Open Championship, commonly known as the U.S. Open, is the annual open golf tournament of the United States. It is the second of the four major championships in golf, and is on the official schedule of both the PGA Tour and the European Tour...	DNP	T26	T19	DNP	T29	DNP	DNP	DNP	DNP	DNP
U.S. Amateur	DNQ	1	QF	QF	QF	QF	R16	DNP	DNP	DNP
British Amateur	DNP	R128	DNP	DNP	DNP	DNP	R32	DNP	DNP	DNP

Tournament	1930	1931	1932	1933	1934	1935	1936	1937	1938	1939
U.S. Amateur	DNP	DNP	SF	DNQ	R128	R256	R128	DNP	DNP	DNP
British Amateur	DNP	DNP	DNP	DNP	R32	DNP	DNP	DNP	DNP	DNP

Tournament	1940	1941	1942	1943	1944	1945	1946	1947	1948	1949
U.S. Amateur	DNP	DNP	NT	NT	NT	NT	DNP	DNP	DNP	DNP
British Amateur	NT	NT	NT	NT	NT	NT	DNP	DNP	DNP	DNP

Tournament	1950	1951	1952	1953	1954	1955	1956	1957
U.S. Amateur	DNP	DNP	DNP	DNP	DNP	DNP	DNP	R128
British Amateur	DNP	DNP	DNP	DNP	DNP	DNP	DNP	DNP

NT = No tournament

DNP = Did not play

DNQ = Did not qualify for match play portion

R256, R128, R64, R32, R16, QF, SF = Round in which player lost in match play

"T" indicates a tie for a place

Green background for wins. Yellow background for top-10

Source for U.S. Open & U.S. Amateur: USGA Championship Database

Source for 1921 British Amateur: The American Golfer, June 4, 1921, pg. 24.

Source for 1926 British Amateur: The American Golfer, July, 1926, pg. 58.

Source for 1934 British Amateur: The Montreal Gazette, May 25, 1934, pg. 13.