Hilary is a distinctive girls' name in United States, ranking #1133 in 2006 with 218 recorded births. The name reached its all-time peak in 2005 with 219 births ranking #1090. Since 1996, the popularity has increased by 77.2%. In 2006, approximately 1 in every 8,721 girls born was named Hilary. FALLING Recent data shows the name is currently falling.