Erwin is a distinctive boys' name in United States, ranking #1374 in 2000 with 92 recorded births. The name reached its all-time peak in 2005 with 109 births ranking #1375. Since 1996, the popularity has increased by 15.0%. In 2000, approximately 1 in every 21,347 boys born was named Erwin. STABLE Recent data shows the name is currently stable.