Allen is a moderately popular boys' name in United States, ranking #436 in 2019 with 702 recorded births. The name reached its all-time peak in 1996 with 1,468 births ranking #212. Since 1996, the popularity has decreased by 52.2%. In 2019, approximately 1 in every 2,555 boys born was named Allen. FALLING Recent data shows the name is currently falling.