Rosamund is a distinctive girls' name in United States, ranking #11606 in 2016 with 9 recorded births. This places Rosamund in the bottom 39% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2017 with 26 births ranking #5156. In 2016, approximately 1 in every 196,832 girls born was named Rosamund. FALLING Recent data shows the name is currently falling.