From Germanic 'adel' meaning noble; a French elaboration of Adele.
Adelene is a graceful variant of Adeline, which itself descends from the Old High German name Adalheidis — a compound of "adal" (noble) and "heid" (kind, type, or sort), roughly translating to "of noble kind." This root gave rise to the royal name Adelaide, the French Adèle, and the English Adeline, with Adelene representing a slightly more elaborate, softened spelling favored in the Victorian and Edwardian eras. The Germanic nobility root "adal" was enormously productive in the early medieval period, generating dozens of names across European languages.
Adeline and its variants flourished in nineteenth-century England and America, fueled by Romantic-era enthusiasm for medieval names and the popularity of the song "Sweet Adeline" (1903), which made the name a barbershop quartet classic. Adelene, with its final 'e,' appears in American birth records from the late 1800s through the 1930s, often in families with Southern or Appalachian roots where elaborate feminine name forms were prized. The name shares its sound with Madeline and Emmeline, situating it in a constellation of long, musical Victorian feminines.
Today Adeline has returned strongly to fashion, ranking among the top names in multiple countries. Adelene, the slightly rarer spelling, offers all of the warmth and vintage elegance of Adeline with a subtle distinction. It has a handwritten quality, a name that looks beautiful on paper and sounds even better spoken aloud — each syllable a gentle, unhurried step.