Alleigh is a distinctive girls' name in United States, ranking #5429 in 2003 with 22 recorded births. The name reached its all-time peak in 2012 with 43 births ranking #3646. Since 1996, the popularity has increased by 144.4%. In 2003, approximately 1 in every 83,048 girls born was named Alleigh. FALLING Recent data shows the name is currently falling.