Chelsea is a moderately popular girls' name in United States, ranking #176 in 2003 with 1,838 recorded births. The name reached its all-time peak in 1996 with 5,864 births ranking #55. Since 1996, the popularity has decreased by 68.7%. In 2003, approximately 1 in every 994 girls born was named Chelsea. FALLING Recent data shows the name is currently falling.