Theresa is a moderately popular girls' name in United States, ranking #365 in 1998 with 787 recorded births. The name reached its all-time peak in 1996 with 883 births ranking #318. Since 1996, the popularity has decreased by 10.9%. In 1998, approximately 1 in every 2,245 girls born was named Theresa. RISING Recent data shows the name is currently rising.