Efren is a distinctive boys' name in United States, ranking #1449 in 2013 with 114 recorded births. The name reached its all-time peak in 2007 with 201 births ranking #977. Since 1996, the popularity has decreased by 38.0%. In 2013, approximately 1 in every 16,590 boys born was named Efren. FALLING Recent data shows the name is currently falling.