Hilary is a distinctive girls' name in United States, ranking #1439 in 2007 with 164 recorded births. The name reached its all-time peak in 2005 with 219 births ranking #1090. Since 1996, the popularity has increased by 33.3%. In 2007, approximately 1 in every 11,722 girls born was named Hilary. FALLING Recent data shows the name is currently falling.