Kline Is A Boys Name Of German Origin. It Is An Americanized Form Of Klein, Which Means "small." When Baby Kline Is Placed In Your Arms, Youll Be Amazed At How Tiny They Are. Whether They Grow Up Tall Or Remain Petite, Your Little Darling Will Always Make You Smile With Their Innate Cuteness. A Name Like Kline Is Also A Lovely Way To Pay Homage To Your Ancestral Heritage Or Members Of Your Family Tree.