Rosamund is a distinctive girls' name in England & Wales, ranking #3035 in 2025 with 8 recorded births. The name reached its all-time peak in 2015 with 15 births ranking #1865. Since 1996, the popularity has decreased by 11.1%. In 2025, approximately 1 in every 31,660 girls born was named Rosamund. FALLING Recent data shows the name is currently falling.