Pilar is a distinctive girls' name in United States, ranking #3289 in 2015 with 50 recorded births. The name reached its all-time peak in 2005 with 137 births ranking #1518. Since 1996, the popularity has decreased by 27.5%. In 2015, approximately 1 in every 35,693 girls born was named Pilar. STABLE Recent data shows the name is currently stable.