Ailsa is a distinctive girls' name in England & Wales, ranking #764 in 2000 with 30 recorded births. This places Ailsa in the top 15% of ranked UK girls' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 1998 with 41 births ranking #619. Since 1996, the popularity has decreased by 11.8%. In 2000, approximately 1 in every 9,106 girls born was named Ailsa. STABLE Recent data shows the name is currently stable.