Diem is a distinctive girls' name in United States, ranking #7141 in 2009 with 18 recorded births. This places Diem in the top 35% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2012 with 57 births ranking #2983. In 2009, approximately 1 in every 102,048 girls born was named Diem. RISING Recent data shows the name is currently rising.