Ashby is a distinctive girls' name in United States, ranking #6356 in 2001 with 17 recorded births. The name reached its all-time peak in 2011 with 34 births ranking #4258. Since 1996, the popularity has increased by 21.4%. In 2001, approximately 1 in every 105,915 girls born was named Ashby. FALLING Recent data shows the name is currently falling.