Taken from the Scottish island name Islay, making it a place-based name with strong Gaelic landscape associations.
Islay (traditionally pronounced EYE-lah, though EYE-slay is also heard) takes its name from the southernmost of the Inner Hebrides islands off the west coast of Scotland — a rugged, peat-rich isle that has become one of the world's most celebrated whisky-producing regions, home to distilleries like Laphroaig, Ardbeg, and Bowmore. The island's name is of uncertain Norse origin, possibly derived from the Old Norse íl-ey (island of Íla) or related to a personal name, as Vikings settled the Hebrides extensively from the ninth century onward.
For over three centuries, Islay was the seat of the Lords of the Isles, the powerful Gaelic dynasty that ruled much of western Scotland, making the name inseparable from Scottish political and cultural history. As a given name, Islay sits in fascinating relationship with the hugely popular Isla — which derives from the same island and shares its pronunciation — while offering a more historically rooted spelling that appeals to parents seeking something more distinctive. The "y" ending, common in Scottish Gaelic place names, signals a deeper engagement with Scottish heritage.
In the twenty-first century, as Isla surged into top-ten lists across the English-speaking world, Islay remained a beautiful alternative for families who wanted the same luminous sound but preferred a name that would not be shared with three other children at school. It carries the smell of sea air and peat smoke, a name that sounds ancient because it is.