Thelma is a distinctive girls' name in United States, ranking #3579 in 2005 with 42 recorded births. The name reached its all-time peak in 1998 with 62 births ranking #2303. Since 1996, the popularity has decreased by 12.5%. In 2005, approximately 1 in every 43,993 girls born was named Thelma. RISING Recent data shows the name is currently rising.