Illiana is a feminine given name whose etymology threads through several linguistic strata: many classicists locate its deepest root in the Greek Iliana, a derivative of Ilion—the ancient city of Troy—while Balkan onomastic studies connect it to the Romanian–Bulgarian Ileana, itself a form of Elijah and therefore carrying the theological sense “the Lord is my God.” In modern Anglo-American usage, the doubled l functions primarily as an aesthetic inflection rather than a philological necessity, heightening the name’s fluid phonetics across both the Spanish /iˈlja.na/ and English /ɪˈliːənə/ realizations. Demographic data confirm that Illiana has hovered in the low-to-mid-800s of U.S. birth rankings for more than half a century, a pattern that grants it a quiet resilience—discernible yet never ubiquitous. Cultural associations are similarly multifaceted: the Midwestern portmanteau “Illiana,” denoting the Illinois–Indiana borderland, affords the name a subtle regional resonance, while its vowel-rich cadence aligns it with contemporary Hispanic naming preferences, giving it a cosmopolitan cast. Taken together, these historical, statistical, and cultural strands present Illiana as an appellation that marries classical pedigree with understated modernity, offering parents a choice that is at once time-honored and distinct.