Namesakes
Walter Brennan
(m) 1894-1974 
Notable Actors and Entertainers (actor)
Oscar Award Winners 1937; 1939; 1941 Come and Get It; Kentucky; The Westerner (actor)
Joseph Brennan
(m) 1900-1989
Hall-of-Famers 1974 (basketball)
Eileen Brennan
(f) 1932-2013
Notable Actors and Entertainers (actor)
Moya Brennan
(f) 1952-
Notable Musicians
Bríd Brennan
(f) 1955-
Notable Actors and Entertainers (actor)
Enya
(a.k.a. Brennan) (f) 1961-
Notable Musicians
Melissa Reeves
(a.k.a. Brennan) (f) 1967-
Notable Actors and Entertainers (actor)
Russ Brennan
(m)
Fictional Characters from Television 2005 Bones
Max Keenan
(a.k.a. Brennan) (m)
Fictional Characters from Television 2005 Bones
Temperance "Bones" Brennan
(f)
Fictional Characters from Television 2005 Bones