Hilary is a distinctive girls' name in United States, ranking #1525 in 1997 with 106 recorded births. The name reached its all-time peak in 2005 with 219 births ranking #1090. Since 1996, the popularity has decreased by 13.8%. In 1997, approximately 1 in every 16,421 girls born was named Hilary. FALLING Recent data shows the name is currently falling.