Aileth is a unique and elegant given name of unknown origin, believed to have been coined as a literary creation by American author L. Frank Baum for his Oz series. It was first introduced in 'The Marvelous Land of Oz' (1904) as the name of one of the characters, Princess Aletheia. The name has since gained some popularity beyond its original literary context and can be found among baby names in various cultures today.
"From 2004 to 2023, the name Aileth was chosen for a total of 47 newborns, with peaks in popularity around 2006 and 2023."