Pilar is a distinctive girls' name in United States, ranking #1792 in 2001 with 100 recorded births. The name reached its all-time peak in 2005 with 137 births ranking #1518. Since 1996, the popularity has increased by 44.9%. In 2001, approximately 1 in every 18,006 girls born was named Pilar. STABLE Recent data shows the name is currently stable.