Hilary is a distinctive girls' name in United States, ranking #2018 in 2001 with 84 recorded births. The name reached its all-time peak in 2005 with 219 births ranking #1090. Since 1996, the popularity has decreased by 31.7%. In 2001, approximately 1 in every 21,435 girls born was named Hilary. FALLING Recent data shows the name is currently falling.