Ashby is a distinctive girls' name in United States, ranking #5458 in 2008 with 26 recorded births. The name reached its all-time peak in 2011 with 34 births ranking #4258. Since 1996, the popularity has increased by 85.7%. In 2008, approximately 1 in every 72,720 girls born was named Ashby. FALLING Recent data shows the name is currently falling.