Isla (/ ˈaɪlə / eye-lə) is a feminine given name traditionally of primarily scottish usage, derived from islay, which is the name of an island off the west coast of scotland. The name isla means island — evoking images of tranquility, nature, and peaceful solitude. Isla is of scottish origin, derived from islay, the name of a beautiful island off the west coast of. What is the meaning of the name isla? Discover the origin, popularity, isla name meaning, and names related to isla with mama natural's fantastic baby names guide.