Jemma is a moderately popular girls' name in England & Wales, ranking #451 in 2007 with 90 recorded births. The name reached its all-time peak in 1996 with 480 births ranking #101. Since 1996, the popularity has decreased by 81.3%. In 2007, approximately 1 in every 3,401 girls born was named Jemma. FALLING Recent data shows the name is currently falling.