Waldemar is a distinctive boys' name in United States, ranking #9821 in 2008 with 8 recorded births. The name reached its all-time peak in 1996 with 9 births ranking #6476. Since 1996, the popularity has decreased by 11.1%. In 2008, approximately 1 in every 254,993 boys born was named Waldemar. STABLE Recent data shows the name is currently stable.