Jemma is a distinctive girls' name in United States, ranking #4373 in 1999 with 26 recorded births. The name reached its all-time peak in 2018 with 594 births ranking #527. Since 1996, the popularity has increased by 36.8%. In 1999, approximately 1 in every 68,222 girls born was named Jemma. FALLING Recent data shows the name is currently falling.