Allen is a distinctive boys' name in England & Wales, ranking #2756 in 2022 with 7 recorded births. This places Allen in the top 44% of ranked UK boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2007 with 22 births ranking #1079. Since 1996, the popularity has decreased by 30.0%. In 2022, approximately 1 in every 40,626 boys born was named Allen. FALLING Recent data shows the name is currently falling.