Chelsey is a moderately popular girls' name in United States, ranking #432 in 1999 with 638 recorded births. The name reached its all-time peak in 1996 with 1,285 births ranking #223. Since 1996, the popularity has decreased by 50.4%. In 1999, approximately 1 in every 2,780 girls born was named Chelsey. FALLING Recent data shows the name is currently falling.