Carly is a moderately popular girls' name in England & Wales, ranking #242 in 1999 with 166 recorded births. The name reached its all-time peak in 1996 with 235 births ranking #187. Since 1996, the popularity has decreased by 29.4%. In 1999, approximately 1 in every 1,697 girls born was named Carly. FALLING Recent data shows the name is currently falling.