Kayson Is A Boys Name Of American Origin. Thought To Be An Americanized Reinvention Of Jason, It Means "healer" And Has Only Been Around Since The Late 1990s. If Youre Seeking A Modern Alternative To Casey Or Kayden, Kayson Makes A Great Choice. Whatever Life Throws Your Way, When You See Baby Kayson Smiling At You, Youll Instantly Feel Better. With Their Gentle Soul And Positive Attitude, Little Kayson Can Help Others Recover From Challenging Times.