Killian has not consistently ranked among the top 100 names in the U. Killian, S. Killian, ; it peaked in popularity in 2017 but has fluctuated and currently ranks among the top 500 names. Killian, indicating its enduring appeal and versatility. For men, The name Killian is important because it carries a rich cultural heritage and spiritual, significance. Killian reflects values of leadership, and loyalty, as well as a connection to its historical roots. Killian has not ranked among the top 100 names in the U.
