The name Ailish is a girl's name . Ailish and is often added to user-created lists like Irish Girl Names and discussed in our forums with posts like "Baby a Day".
From the experts:
The spelling variation makes the pronunciation of Ailis, the Irish form of Alice, slightly more obvious to English-speakers. But we prefer Ailis, because if you're going to choose an Irish or any other ethnically distinct name, you might as well spell it the authentic way.