Allen is a moderately popular boys' name in United States, ranking #317 in 2011 with 1,005 recorded births. The name reached its all-time peak in 1996 with 1,468 births ranking #212. Since 1996, the popularity has decreased by 31.5%. In 2011, approximately 1 in every 1,890 boys born was named Allen. FALLING Recent data shows the name is currently falling.