Kazimierz Is A Boy’s Name Of Slavic Origin. Closely Related To The Polish Name Casimir, It Means "famous Destroyer Of Peace." Great For Little Ones With Big And Boisterous Personalities, A Name Like Kazimierz Is Not For The Faint-hearted. When Baby Kazimierz Arrives, Theyll Turn Your Whole World Upside Down With Their Innate Sense Of Mischief. Lively And Spirited, Your Little Rogue Will Bring A Smile To Your Face With All Their Clever Tricks And Pranks.