Dim is a distinctive girls' name in United States, ranking #11529 in 2012 with 9 recorded births. This places Dim in the bottom 41% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2018 with 20 births ranking #6082. In 2012, approximately 1 in every 195,638 girls born was named Dim. FALLING Recent data shows the name is currently falling.