Jemma is a moderately popular girls' name in England & Wales, ranking #101 in 1996 with 480 recorded births. This places Jemma in the top 2% of ranked UK girls' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 1996 with 480 births ranking #101. In 1996, approximately 1 in every 617 girls born was named Jemma. FALLING Recent data shows the name is currently falling.