Ashby is a distinctive girls' name in United States, ranking #7153 in 1998 with 13 recorded births. This places Ashby in the top 43% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2011 with 34 births ranking #4258. In 1998, approximately 1 in every 135,915 girls born was named Ashby. FALLING Recent data shows the name is currently falling.