If Youre Convinced Your Little Girl Will Always Be An Angel, This Name Is A Perfect Fit. Agnieszka, Meaning "pure" And "holy," Comes From The Greek Name Agnes. It Can Be Traced Back To The Greek Word hagnós, Which Means "chaste" And "innocent." Agnieszka Is A Popular Polish Variant Of The Traditional Agnes, Making It An Easy Way To Honor Your Heritage With Style.