Samantha is an English feminine given name in use since the 17th century that is of uncertain derivation. It is now in popular use worldwide due to various popular culture influences. Etymology. Some etymologists have suggested Samantha might be a derivative of Semanthe, a similar name likely invented by English playwright Sir John Suckling for a character in his play Aglaura, which was first staged in England in 1637.
https://en.wikipedia.org/wiki/Samantha