Gelsey is a distinctive girls' name in United States, ranking #12210 in 2005 with 8 recorded births. The name reached its all-time peak in 2002 with 19 births ranking #5968. Since 1996, the popularity has decreased by 55.6%. In 2005, approximately 1 in every 230,962 girls born was named Gelsey. FALLING Recent data shows the name is currently falling.