Gelsey is a distinctive girls' name in United States, ranking #15603 in 2012 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 2012, approximately 1 in every 293,457 girls born was named Gelsey. FALLING Recent data shows the name is currently falling.