Chelsea is a distinctive boys' name in United States, ranking #7255 in 1999 with 8 recorded births. The name reached its all-time peak in 2004 with 11 births ranking #6598. Since 1996, the popularity has decreased by 11.1%. In 1999, approximately 1 in every 240,011 boys born was named Chelsea. FALLING Recent data shows the name is currently falling.