The name Ailla is a girl's name . Ailla and discussed in our forums with posts like "What would be the perfect twin?".
From the experts:
Ailla is a name with many possible derivations, including Cornish (possibly meaning "beautiful"), French (deriving from Ailler, meaing Garlic), Finnish (related to Helga) and Turkish (where it may have a meaning connected to moonlight). None of these derivations are very clear; what is certain is that Ailla is a name with a beautiful sound and an international flavor.