Ailsa is a distinctive girls' name in United States, ranking #10767 in 2000 with 8 recorded births. The name reached its all-time peak in 2003 with 19 births ranking #6061. Since 1996, the popularity has decreased by 27.3%. In 2000, approximately 1 in every 226,997 girls born was named Ailsa. FALLING Recent data shows the name is currently falling.