Thelma is a distinctive girls' name in United States, ranking #5114 in 2015 with 27 recorded births. The name reached its all-time peak in 1998 with 62 births ranking #2303. Since 1996, the popularity has decreased by 43.8%. In 2015, approximately 1 in every 66,098 girls born was named Thelma. RISING Recent data shows the name is currently rising.