Islay is a distinctive girls' name in United States, ranking #16240 in 2007 with 6 recorded births. This places Islay in the bottom 21% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2021 with 51 births ranking #3174. In 2007, approximately 1 in every 320,408 girls born was named Islay. STABLE Recent data shows the name is currently stable.