Thelma is a distinctive girls' name in United States, ranking #2303 in 1998 with 62 recorded births. The name reached its all-time peak in 1998 with 62 births ranking #2303. Since 1996, the popularity has increased by 29.2%. In 1998, approximately 1 in every 28,498 girls born was named Thelma. RISING Recent data shows the name is currently rising.