Crystal is a moderately popular girls' name in United States, ranking #119 in 1999 with 2,741 recorded births. The name reached its all-time peak in 1996 with 3,786 births ranking #92. Since 1996, the popularity has decreased by 27.6%. In 1999, approximately 1 in every 647 girls born was named Crystal. STABLE Recent data shows the name is currently stable.