The name is derived from the Germanic element, adal (noble). It is sometimes used as a feminine form of Tale or Tole (a Frisian form of Thorleif), or it is viewed as the Frisian cognate of Adelheid.
Currently, Talea/Thalea is the 469th most popular female name in Germany, (2011).
The name is sometimes spelled Thalea. Masculine form is Tale.