Pilar is a distinctive girls' name in United States, ranking #1568 in 1999 with 108 recorded births. The name reached its all-time peak in 2005 with 137 births ranking #1518. Since 1996, the popularity has increased by 56.5%. In 1999, approximately 1 in every 16,424 girls born was named Pilar. STABLE Recent data shows the name is currently stable.