Jemma is a distinctive girls' name in United States, ranking #3520 in 1998 with 34 recorded births. The name reached its all-time peak in 2018 with 594 births ranking #527. Since 1996, the popularity has increased by 78.9%. In 1998, approximately 1 in every 51,967 girls born was named Jemma. FALLING Recent data shows the name is currently falling.