Efren is a distinctive boys' name in United States, ranking #1591 in 2014 with 99 recorded births. The name reached its all-time peak in 2007 with 201 births ranking #977. Since 1996, the popularity has decreased by 46.2%. In 2014, approximately 1 in every 19,398 boys born was named Efren. FALLING Recent data shows the name is currently falling.