Jemma is a moderately popular girls' name in England & Wales, ranking #494 in 2008 with 79 recorded births. The name reached its all-time peak in 1996 with 480 births ranking #101. Since 1996, the popularity has decreased by 83.5%. In 2008, approximately 1 in every 3,997 girls born was named Jemma. FALLING Recent data shows the name is currently falling.