Chelsea is a moderately popular girls' name in England & Wales, ranking #116 in 2006 with 458 recorded births. This places Chelsea in the top 2% of ranked UK girls' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 1996 with 1,735 births ranking #34. Since 1996, the popularity has decreased by 73.6%. In 2006, approximately 1 in every 653 girls born was named Chelsea. STABLE Recent data shows the name is currently stable.