Allan is a moderately popular boys' name in United States, ranking #444 in 2004 with 588 recorded births. The name reached its all-time peak in 2003 with 625 births ranking #412. Since 1996, the popularity has increased by 31.0%. In 2004, approximately 1 in every 3,376 boys born was named Allan. FALLING Recent data shows the name is currently falling.