Gelsey is a distinctive girls' name in United States, ranking #15906 in 2009 with 6 recorded births. The name reached its all-time peak in 2002 with 19 births ranking #5968. Since 1996, the popularity has decreased by 66.7%. In 2009, approximately 1 in every 306,145 girls born was named Gelsey. FALLING Recent data shows the name is currently falling.