Pilar is a distinctive girls' name in United States, ranking #1547 in 2000 with 116 recorded births. The name reached its all-time peak in 2005 with 137 births ranking #1518. Since 1996, the popularity has increased by 68.1%. In 2000, approximately 1 in every 15,655 girls born was named Pilar. STABLE Recent data shows the name is currently stable.