Adaryn -This is a Welsh name meaning "bird"
Adele -A Germanic name meaning "noble".
Aeron -Aeron is a Welsh God of War. His name was derived from the British Goddess of Slaughter Agrona.
Aerona -Feminized version of Aeron, the Welsh God of War whose name was derived from the British Goddess of Slaughter Agrona
Aeslin -Aislin is an Irish name meaning "vision".
Agrona -Agrona is an old Celtic name meaning "battle, slaughter". It was the name of the Brythonic Goddess of war and death.
Aileen -Aileen is a Gaelic name meaning "Pleasant" "light".
Ailill -The name Ailill appears frequently in Celtic lore. It was the name of the husband of Queen Meabh. The name means "elf" in Irish Gaelic.
Aislin -Aislin is a Gaelic name meaning "dream" or "vision"
Alfred -Alfred is an Old English name that means "Elf council"
Allen -A Gaelic name meaning "rock"
Andraste -Boudicca invoked the Goddess Andraste before her revolt against Rome. The name means "invincible".
Aneira -Aneira is a name of Welsh origin meaning "snow".
Angus -Gaelic meaning "One Choice". The handsome Anghus Mac Og of Celtic folklore.
Arianrhod -Arianrhod is the mother of Llew and sister of Gwydion of Welsh lore. The name means "silver circle" and the Welsh name for the Corona Borealis is "Caer Arianrhod" or Castle of Arianhrod.
Arthur -Arthur is a name from British legend. It means bear, or possibly stone.
Arwen -Arwen is a Welsh name meaning "fair" or "fine".
It was also the name of a character in J.R.R. Tolkein's Lord of the Rings.
Ashley -The name Ashley is of Old English origin and means "Ash wood". It was originally a male name, but now both boys and girls wear it.