Dia is a distinctive girls' name in United States, ranking #2877 in 2012 with 60 recorded births. This places Dia in the top 15% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2015 with 62 births ranking #2819. Since 1996, the popularity has increased by 215.8%. In 2012, approximately 1 in every 29,346 girls born was named Dia. FALLING Recent data shows the name is currently falling.