Hilary is a distinctive girls' name in United States, ranking #2251 in 2009 with 87 recorded births. The name reached its all-time peak in 2005 with 219 births ranking #1090. Since 1996, the popularity has decreased by 29.3%. In 2009, approximately 1 in every 21,113 girls born was named Hilary. FALLING Recent data shows the name is currently falling.