Chelsea is a distinctive boys' name in United States, ranking #10922 in 2015 with 6 recorded births. The name reached its all-time peak in 2004 with 11 births ranking #6598. Since 1996, the popularity has decreased by 33.3%. In 2015, approximately 1 in every 319,376 boys born was named Chelsea. FALLING Recent data shows the name is currently falling.