Ailsa is a distinctive girls' name in United States, ranking #8292 in 2002 with 12 recorded births. This places Ailsa in the top 46% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2003 with 19 births ranking #6061. In 2002, approximately 1 in every 149,735 girls born was named Ailsa. FALLING Recent data shows the name is currently falling.