Adaleigh is a modern American spelling of Adalee, built from Ada or Adele, which come from the Germanic adal and mean "noble", plus the fashionable -leigh ending. It arrived with the broader wave of Adalyn, Adaline and Everleigh in the 2010s. Adaleigh peaked at number 1503 in 2020, has not entered the US top 1000 and ranks number 2298 in 2025.