American First Ladies: 4 first ladies
Anna Harrison   1841  
Jane Harrison   1841  
Caroline Harrison   1889-1892  
Mary McKee (a.k.a. Harrison)   1892-1893  
American Presidents: 2 presidents
William Henry Harrison   1841  
Benjamin Harrison   1889-1893  
Fictional Characters from Television: 1 character
Adam Carrington (a.k.a. Harrison)   1981; 2017   Dynasty  
Grammy Award Winners: 1 album of the year
(album of the year) George Harrison   1973   The Concert for Bangla Desh  
Hall-of-Famers: 1 football
(football) Marvin Harrison   2016  
Notable Actors and Entertainers: 5 actors
Rex Harrison   1908-1990  
Jenilee Harrison   1958-  
Courtney Love (a.k.a. Harrison)   1964-  
Randy Harrison   1977-  
Kelvin Harrison Jr.   1994-  
Notable Athletes: 1 boxing, 1 football, 1 tennis
(boxing) Audley Harrison   1971-  
(football) Marvin Harrison   1972-  
(tennis) Ryan Harrison   1992-  
Notable Musicians: 2 musicians, 2 singers
George Harrison   1943-2001  
Courtney Love (a.k.a. Harrison)   1964-  
Mýa (a.k.a. Harrison)   1979-  
Dominic "Yungblud" Harrison   1998-  
Olympic Medalists: 4 gold, 3 silver, 1 gold/silver
(silver) Clifford Harrison   1952   ice hockey  
(gold) Joan Harrison   1952   swimming - 100 m backstroke  
(gold) George Harrison   1960   swimming - 4x200 m freestyle relay  
(gold) Kenny Harrison   1996   triple jump  
(gold/silver) Alvin Harrison   1996; 2000   4x400 m relay; 400 m  
(silver) Regan Harrison   2000   swimming - 4x100 m medley relay  
(gold) Kayla Harrison   2012   judo  
(silver) Kendra Harrison   2020   100 m hurdles  
Oscar Award Winners: 1 actor
(actor) Rex Harrison   1965   My Fair Lady  
Rock and Roll Hall-of-Famers: 3 musicians
George Harrison   1988; 2004   The Beatles;   
Jerry Harrison   2002   Talking Heads  
Nigel Harrison   2006   Blondie