Erma is a distinctive girls' name in United States, ranking #5420 in 2007 with 26 recorded births. The name reached its all-time peak in 2004 with 26 births ranking #4980. Since 1996, the popularity has increased by 18.2%. In 2007, approximately 1 in every 73,940 girls born was named Erma. STABLE Recent data shows the name is currently stable.