Hilaria is a distinctive girls' name in United States, ranking #8903 in 2010 with 13 recorded births. The name reached its all-time peak in 2010 with 13 births ranking #8903. Since 1996, the popularity has increased by 44.4%. In 2010, approximately 1 in every 136,717 girls born was named Hilaria. FALLING Recent data shows the name is currently falling.