Erma is a distinctive girls' name in United States, ranking #8781 in 2018 with 12 recorded births. The name reached its all-time peak in 2004 with 26 births ranking #4980. Since 1996, the popularity has decreased by 45.5%. In 2018, approximately 1 in every 141,702 girls born was named Erma. STABLE Recent data shows the name is currently stable.