Noble
Adaleen is a variant of Adeline, which itself is a diminutive of Adele. It ultimately derives from the Germanic element 'adal', meaning noble. While rare, it follows the popular trend of names ending in the 'leen' or 'lyn' sound.
Fewer than 5 girls were named Adaleen in 2025.
US births per 5-year period, 1990–present (SSA data).
