Efren is a distinctive boys' name in United States, ranking #976 in 2005 with 178 recorded births. This places Efren in the top 7% of ranked US boys' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 2007 with 201 births ranking #977. In 2005, approximately 1 in every 11,220 boys born was named Efren. FALLING Recent data shows the name is currently falling.