Hilary is a distinctive girls' name in United States, ranking #1722 in 2003 with 110 recorded births. The name reached its all-time peak in 2005 with 219 births ranking #1090. Since 1996, the popularity has decreased by 10.6%. In 2003, approximately 1 in every 16,610 girls born was named Hilary. FALLING Recent data shows the name is currently falling.