Namesakes
Fictional Characters from Books:
2 characters, 1 hero
Harry Morgan 1937 To Have and Have Not 
Harry Morgan 2004 Darkly Dreaming Dexter
Dexter Morgan 2004 Darkly Dreaming Dexter
Fictional Characters from Movies:
1 character
Esther "Grandma" Walton (a.k.a. Morgan) 1971 The Homecoming: A Christmas Story
Fictional Characters from Television:
7 characters, 1 villain
Esther "Grandma" Walton (a.k.a. Morgan) 1972 The Waltons
Lilah Morgan 1999 Angel
Gretchen Morgan 2005 Prison Break
Harry Morgan 2006 Dexter
Frannie Morgan 2007 Greek
Johnny Morgan 2011 American Horror Story
Kate Morgan 2014 24: Live Another Day
Dexter Morgan 2006; 2021 Dexter; Dexter: New Blood
Hall-of-Famers:
1 baseball
(baseball) Joe Morgan 1990
Most Valuable Players:
1 winner
Joe Morgan 1975; 1976 baseball
Nobel Prize Winners:
1 medicine
(medicine) Thomas Hunt Morgan 1933
Notable Actors and Actresses:
3 actors, 1 actor/comedian
Garfield Morgan 1931-2009
Jeffrey Dean Morgan 1966-
Tracy Morgan 1968-
Colin Morgan 1986-
Notable Athletes:
3 rugby, 1 baseball, 1 cricket, 1 football
(baseball) Joe Morgan 1943-2020
(cricket) Eoin Morgan 1986-
(football) Mike Morgan 1988-
(rugby) Ben Morgan 1989-
(rugby) Matthew Morgan 1992-
(rugby) Tyler Morgan 1995-
Notable Businesspeople:
1 businessperson
J. P. Morgan 1837-1913
Notable Evildoers:
1 pirate
Henry Morgan c. 1635-1688
Notable Hosts and Presenters:
1 television
(television) Piers Morgan 1965-
Olympic Medalists:
2 gold, 1 bronze
(gold) Sandra Morgan 1956 swimming - 4x100 m freestyle relay
(bronze) Chris Morgan 2012 rowing
(gold) Alex Morgan 2012 football
Other Leaders:
1 prime minister
Prime Minister Rhodri Morgan 2000-2009 Wales