Chelsea is a moderately popular girls' name in England & Wales, ranking #176 in 2008 with 298 recorded births. The name reached its all-time peak in 1996 with 1,735 births ranking #34. Since 1996, the popularity has decreased by 82.8%. In 2008, approximately 1 in every 1,060 girls born was named Chelsea. STABLE Recent data shows the name is currently stable.