Efrain is a distinctive boys' name in United States, ranking #1170 in 2018 with 164 recorded births. The name reached its all-time peak in 1999 with 392 births ranking #529. Since 1996, the popularity has decreased by 56.8%. In 2018, approximately 1 in every 11,070 boys born was named Efrain. FALLING Recent data shows the name is currently falling.