Gelsey is a distinctive girls' name in United States, ranking #6272 in 1997 with 15 recorded births. The name reached its all-time peak in 2002 with 19 births ranking #5968. Since 1996, the popularity has decreased by 16.7%. In 1997, approximately 1 in every 116,044 girls born was named Gelsey. FALLING Recent data shows the name is currently falling.