Ailsa is a distinctive girls' name in United States, ranking #10902 in 2015 with 9 recorded births. The name reached its all-time peak in 2003 with 19 births ranking #6061. Since 1996, the popularity has decreased by 18.2%. In 2015, approximately 1 in every 198,295 girls born was named Ailsa. FALLING Recent data shows the name is currently falling.