Timberly is a distinctive girls' name in United States, ranking #10335 in 2011 with 11 recorded births. The name reached its all-time peak in 1996 with 23 births ranking #4575. Since 1996, the popularity has decreased by 52.2%. In 2011, approximately 1 in every 159,891 girls born was named Timberly. FALLING Recent data shows the name is currently falling.