Ashby is a distinctive girls' name in United States, ranking #5675 in 2015 with 23 recorded births. The name reached its all-time peak in 2011 with 34 births ranking #4258. Since 1996, the popularity has increased by 64.3%. In 2015, approximately 1 in every 77,594 girls born was named Ashby. FALLING Recent data shows the name is currently falling.