Isla is a feminine first name which is very popular in England, Wales and Scotland. The name Isla is of Scottish origin and is derived from an island called "Islay" to the west of Scotland. In recent times, the name has become increasingly popular in the United States as well.
The name Isla is often mispronounced. This is due to the fact that the "s" in Isla is silent. The correct pronunciation of Isla in English is EYE-luh. Additionally, remember that the stress is on the first syllable.