Allan is a distinctive boys' name in England & Wales, ranking #1128 in 2002 with 14 recorded births. The name reached its all-time peak in 1996 with 37 births ranking #489. Since 1996, the popularity has decreased by 62.2%. In 2002, approximately 1 in every 20,592 boys born was named Allan. FALLING Recent data shows the name is currently falling.