Gelsey is a distinctive girls' name in United States, ranking #11991 in 2004 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 2004, approximately 1 in every 229,515 girls born was named Gelsey. FALLING Recent data shows the name is currently falling.