Namesakes
Fictional Characters from Television:
1 character
Liam Spencer 1987 The Bold and the Beautiful 
Irish Presidents and Prime Ministers:
1 prime minister
(prime minister) Liam Cosgrave 1973-1977
Notable Actors and Entertainers:
4 actors
Liam Neeson 1952-
Liam Cunningham 1961-
Liam Aiken 1990-
Liam Hemsworth 1990-
Notable Athletes:
2 rugby, 1 soccer
(soccer) Liam Miller 1981-2018
(rugby) Liam Messam 1984-
(rugby) Liam Williams 1991-
Notable Musicians:
2 musicians, 1 singer
Liam O'Flynn 1945-2018
Liam Gallagher 1972-
Liam Payne 1993-
Olympic Medalists:
1 bronze, 1 gold/bronze
(gold/bronze) Liam de Young 2004; 2008; 2012 field hockey
(bronze) Liam Heath 2012 canoe sprint