Ashby is a distinctive girls' name in United States, ranking #7771 in 1999 with 12 recorded births. The name reached its all-time peak in 2011 with 34 births ranking #4258. Since 1996, the popularity has decreased by 14.3%. In 1999, approximately 1 in every 147,815 girls born was named Ashby. FALLING Recent data shows the name is currently falling.