Ailsa is a distinctive girls' name in United States, ranking #13864 in 2019 with 6 recorded births. The name reached its all-time peak in 2003 with 19 births ranking #6061. Since 1996, the popularity has decreased by 45.5%. In 2019, approximately 1 in every 279,595 girls born was named Ailsa. FALLING Recent data shows the name is currently falling.