Allen is a moderately popular boys' name in United States, ranking #370 in 2016 with 895 recorded births. The name reached its all-time peak in 1996 with 1,468 births ranking #212. Since 1996, the popularity has decreased by 39.0%. In 2016, approximately 1 in every 2,120 boys born was named Allen. FALLING Recent data shows the name is currently falling.