Ailsa is a distinctive girls' name in United States, ranking #9020 in 2007 with 13 recorded births. The name reached its all-time peak in 2003 with 19 births ranking #6061. Since 1996, the popularity has increased by 18.2%. In 2007, approximately 1 in every 147,881 girls born was named Ailsa. FALLING Recent data shows the name is currently falling.