Gelsey is a distinctive girls' name in United States, ranking #11507 in 2011 with 9 recorded births. The name reached its all-time peak in 2002 with 19 births ranking #5968. Since 1996, the popularity has decreased by 50.0%. In 2011, approximately 1 in every 195,423 girls born was named Gelsey. FALLING Recent data shows the name is currently falling.