Dagmar is a distinctive girls' name in United States, ranking #15950 in 2007 with 6 recorded births. The name reached its all-time peak in 2001 with 9 births ranking #10304. Since 1996, the popularity has increased by 20.0%. In 2007, approximately 1 in every 320,408 girls born was named Dagmar. FALLING Recent data shows the name is currently falling.