Isla is a hit name throughout the English-speaking world but hasn't found the same popularity in other western countries, perhaps because its spelling and pronunciation don't make sense for those whose native language is not English. Think island without the final two letters.

Mila is a popular name that took a 125 year nap, ranking in the Top 1000 in 1881 and then not ranking again until 2006, after actress Mila Kunis appeared on That 70s Show.

A vibrant variation of Adele, with a bit of extra flair from that "-a" ending. It could join the army of popular A girls' names, especially with its tie to the success of singer Adele.