Hilary is a distinctive girls' name in United States, ranking #1943 in 1999 with 81 recorded births. The name reached its all-time peak in 2005 with 219 births ranking #1090. Since 1996, the popularity has decreased by 34.1%. In 1999, approximately 1 in every 21,899 girls born was named Hilary. FALLING Recent data shows the name is currently falling.