Allen is a moderately popular boys' name in United States, ranking #293 in 2008 with 1,139 recorded births. The name reached its all-time peak in 1996 with 1,468 births ranking #212. Since 1996, the popularity has decreased by 22.4%. In 2008, approximately 1 in every 1,791 boys born was named Allen. FALLING Recent data shows the name is currently falling.