Adeline, the French form of the name Adelina, is derived from the Germanic element adal, meaning "noble." It was a popular name in the early 1900s but started fading away in the 1950s. It returned to the Social Security Administration's top 1,000 baby girl names in 1999 and has been a top 100 name since 2016. It's the most popular spelling of the name, moreso than Adalyn, Adelyn, Adelynn, Adaline, Adeline and Adalynn.