Hilary is a distinctive girls' name in United States, ranking #2354 in 2011 with 79 recorded births. The name reached its all-time peak in 2005 with 219 births ranking #1090. Since 1996, the popularity has decreased by 35.8%. In 2011, approximately 1 in every 22,263 girls born was named Hilary. FALLING Recent data shows the name is currently falling.