Marlianna is a rare yet captivating feminine given name of unknown origin, potentially related to Italian or German names but also possibly a creative invention. Its meaning remains debated, with suggestions including "pearl," "precious," or "sea dweller." While its history is hard to trace due to rarity, notable figures like Mariliana da Magliano have borne similar names, and it appears in literature by Southworth and Sand. Today, Marlianna stands as an uncommon yet enchanting choice for parents seeking distinctive names.