Allan is a distinctive boys' name in England & Wales, ranking #3684 in 2025 with 5 recorded births. This places Allan in the bottom 40% of ranked UK boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1996 with 37 births ranking #489. Since 1996, the popularity has decreased by 86.5%. In 2025, approximately 1 in every 54,387 boys born was named Allan. FALLING Recent data shows the name is currently falling.