Namesakes
Emmy Award Winners:
1 actor
(actor) Kieran Culkin 2023 Succession 
Notable Actors and Entertainers:
2 actors
Kieran O'Brien 1973-
Kieran Culkin 1982-
Notable Athletes:
2 rugby, 1 cycling
(rugby) Kieran Crowley 1961-
(cycling) Kieran Modra 1972-2019
(rugby) Kieran Read 1985-
Olympic Medalists:
1 bronze
(bronze) Kieran Govers 2012 field hockey
Saints:
3 saints
Saint Ciarán the Elder (a.k.a. Kieran) ?-530
Saint Ciarán the Younger (a.k.a. Kieran) ?-556
Saint Ciarán the Devout (a.k.a. Kieran) ?-870