Ciarán the Elder   (a.k.a. Kieran)   (m)   ?-530  
Saints
Ciarán the Younger   (a.k.a. Kieran)   (m)   ?-556  
Saints
Ciarán the Devout   (a.k.a. Kieran)   (m)   ?-870  
Saints
Kieran Crowley   (m)   1961-  
Notable Athletes   (rugby)
Kieran Modra   (m)   1972-2019  
Notable Athletes   (cycling)
Kieran O'Brien   (m)   1973-  
Notable Actors and Entertainers   (actor)
Kieran Culkin   (m)   1982-  
Emmy Award Winners   2023   Succession   (actor)
Notable Actors and Entertainers   (actor)
Kieran Read   (m)   1985-  
Notable Athletes   (rugby)
Kieran Govers   (m)   1988-  
Olympic Medalists   2012   field hockey   (bronze)