Halcyon is a form of Alcyone, a tragic Greek mythological character derived from the word alkyon meaning "kingfisher" [type of bird]. Halcyon
Pronounced Hal-cee-on I got this from the word. I think it is just great. I can imagine a brooding blonde haired woman with this name. She would be attractive and perhaps work as a secret agent/spy.
Halcyon is a form of Alcyone, a tragic Greek mythological character derived from the word alkyon meaning "kingfisher" [type of bird].