Allan is a moderately popular boys' name in United States, ranking #452 in 1998 with 497 recorded births. The name reached its all-time peak in 2003 with 625 births ranking #412. Since 1996, the popularity has increased by 10.7%. In 1998, approximately 1 in every 3,846 boys born was named Allan. FALLING Recent data shows the name is currently falling.