Efrain is a distinctive boys' name in United States, ranking #756 in 2008 with 294 recorded births. This places Efrain in the top 5% of ranked US boys' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 1999 with 392 births ranking #529. Since 1996, the popularity has decreased by 22.6%. In 2008, approximately 1 in every 6,939 boys born was named Efrain. FALLING Recent data shows the name is currently falling.