Pilar is a distinctive girls' name in United States, ranking #1553 in 2004 with 128 recorded births. The name reached its all-time peak in 2005 with 137 births ranking #1518. Since 1996, the popularity has increased by 85.5%. In 2004, approximately 1 in every 14,345 girls born was named Pilar. STABLE Recent data shows the name is currently stable.