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.
Aodh (given name) (given name)). Pet forms of the name formed with the diminutive "-án" include Aodhán and Ádhán (Old Irish "Aedán"), names which are sometimes anglicized as Aidan, Aiden, and Edan. A double diminutive is Aodhagán and its modern form Aogán. Maodhóg (Old Irish "Máedóc"), anglicized Mogue, and the Welsh form Madog are formed from the affectionate prefix "mo-" and the separate diminutive "-og". It was also used in Roman Britain as a native form of the Latin Dominus. All of these variants are or . The spelling "Aogán" reflects the loss of the light "dha" syllable, pronounced , but the "o"