Chelsea is a moderately popular girls' name in United States, ranking #381 in 2017 with 818 recorded births. The name reached its all-time peak in 1996 with 5,864 births ranking #55. Since 1996, the popularity has decreased by 86.1%. In 2017, approximately 1 in every 2,110 girls born was named Chelsea. FALLING Recent data shows the name is currently falling.