Pilar is a distinctive girls' name in United States, ranking #1680 in 2002 with 110 recorded births. The name reached its all-time peak in 2005 with 137 births ranking #1518. Since 1996, the popularity has increased by 59.4%. In 2002, approximately 1 in every 16,335 girls born was named Pilar. STABLE Recent data shows the name is currently stable.