Shelby is a moderately popular girls' name in England & Wales, ranking #369 in 2005 with 109 recorded births. The name reached its all-time peak in 1997 with 309 births ranking #151. Since 1996, the popularity has decreased by 45.8%. In 2005, approximately 1 in every 2,645 girls born was named Shelby. FALLING Recent data shows the name is currently falling.