Ailsa is a distinctive girls' name in England & Wales, ranking #1070 in 2014 with 33 recorded births. This places Ailsa in the top 14% of ranked UK girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1998 with 41 births ranking #619. In 2014, approximately 1 in every 9,293 girls born was named Ailsa. STABLE Recent data shows the name is currently stable.