Chelsea is a moderately popular girls' name in England & Wales, ranking #220 in 2010 with 228 recorded births. The name reached its all-time peak in 1996 with 1,735 births ranking #34. Since 1996, the popularity has decreased by 86.9%. In 2010, approximately 1 in every 1,408 girls born was named Chelsea. STABLE Recent data shows the name is currently stable.