Chelsea is a highly popular girls' name in England & Wales, ranking #39 in 1998 with 1,510 recorded births. The name reached its all-time peak in 1996 with 1,735 births ranking #34. Since 1996, the popularity has decreased by 13.0%. In 1998, approximately 1 in every 192 girls born was named Chelsea. STABLE Recent data shows the name is currently stable.