Pilar is a distinctive girls' name in United States, ranking #1737 in 2003 with 109 recorded births. The name reached its all-time peak in 2005 with 137 births ranking #1518. Since 1996, the popularity has increased by 58.0%. In 2003, approximately 1 in every 16,762 girls born was named Pilar. STABLE Recent data shows the name is currently stable.