Liberty is a moderately popular girls' name in United States, ranking #492 in 2005 with 622 recorded births. The name reached its all-time peak in 2004 with 749 births ranking #406. Since 1996, the popularity has increased by 640.5%. In 2005, approximately 1 in every 2,971 girls born was named Liberty. FALLING Recent data shows the name is currently falling.