Pilar is a distinctive girls' name in United States, ranking #1518 in 2005 with 137 recorded births. The name reached its all-time peak in 2005 with 137 births ranking #1518. Since 1996, the popularity has increased by 98.6%. In 2005, approximately 1 in every 13,487 girls born was named Pilar. STABLE Recent data shows the name is currently stable.