Chelby is a distinctive girls' name in United States, ranking #9127 in 2007 with 13 recorded births. The name reached its all-time peak in 1998 with 35 births ranking #3436. Since 1996, the popularity has decreased by 43.5%. In 2007, approximately 1 in every 147,881 girls born was named Chelby. STABLE Recent data shows the name is currently stable.