Meaning: Diminutive of Alan: Harmony, stone, or noble. Also fair, handsome. Originally a saint's name, it was reintroduced to Britain during the Norman Conquest, remained popular throughout the Middle Ages, and was revived in the 19th century.

Meaning: Diminutive of Alice: Of the nobility. From the German Adalheidis meaning nobility, and the French Adeliz which is a form of Adelaide.

Meaning: Diminutive of Alison: A 13th century variant of Alice meaning nobility. Now particularly popular in Scotland.

Meaning: Diminutive of Alistair: A Scottish Gaelic variant of Alexander from the Greek meaning defender of man.