Chelsea is a popular girls' name in United States, ranking #73 in 1997 with 4,461 recorded births. The name reached its all-time peak in 1996 with 5,864 births ranking #55. Since 1996, the popularity has decreased by 23.9%. In 1997, approximately 1 in every 390 girls born was named Chelsea. FALLING Recent data shows the name is currently falling.