Hillary is a distinctive girls' name in United States, ranking #808 in 2004 with 311 recorded births. This places Hillary in the top 4% of ranked US girls' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 2008 with 412 births ranking #722. In 2004, approximately 1 in every 5,904 girls born was named Hillary. STABLE Recent data shows the name is currently stable.