Alan (given name) masculine given name in the Welsh language; although it is not directly related to "Alan" (it is derived from Proto-Celtic "*alouno-" meaning either "nourishing" or "wandering"), today it is generally used as a variant form of the English name. An earlier bearer of this name is Alun of Dyfed, a character in the "Mabinogion". The name became popular in modern times when it was adopted as a bardic name by John Blackwell, a 19th-century Welsh poet. The short form of "Alan" is "Al". This name is a short form of numerous other etymologically unrelated names that begin with this syllable.
Alan (given name) what is today Brittany, France. An early figure who bore the name was St Alan, a 5th-century bishop of Quimper. This saint became a cult figure in the Brittany during the Middle Ages. Another early bearer of the name was St Alan, a 6th-century Cornish saint, who has a church dedicated to his memory in Cornwall (for example see St Allen, a civil parish in Cornwall named after this saint). Today the use of the given name (and its variants) is due to its popularity among the Bretons who imported the name to England, to Cornwall, and later to Ireland.