Allen is a distinctive boys' name in England & Wales, ranking #2282 in 2006 with 7 recorded births. The name reached its all-time peak in 2007 with 22 births ranking #1079. Since 1996, the popularity has decreased by 30.0%. In 2006, approximately 1 in every 45,762 boys born was named Allen. FALLING Recent data shows the name is currently falling.