Efren is a distinctive boys' name in United States, ranking #1679 in 2012 with 91 recorded births. The name reached its all-time peak in 2007 with 201 births ranking #977. Since 1996, the popularity has decreased by 50.5%. In 2012, approximately 1 in every 20,842 boys born was named Efren. FALLING Recent data shows the name is currently falling.