Jemma is a moderately popular girls' name in England & Wales, ranking #220 in 2002 with 195 recorded births. The name reached its all-time peak in 1996 with 480 births ranking #101. Since 1996, the popularity has decreased by 59.4%. In 2002, approximately 1 in every 1,371 girls born was named Jemma. FALLING Recent data shows the name is currently falling.