Rosamund is a very rare girls' name that peaked in 2017 and remains in steady use.
Rosamund is a girl name. In 2025 it ranked #7,428 for girl births in the United States (and #12,797 across all names), given to 15 babies. Rosamund was first reported in SSA data in 1951 and peaked in 2017 (26 births).
Girls named Rosamund per year · hover for count and girls rank · Source: U.S. Social Security Administration, national data 1951–2025 · U.S.+territories from SSA territory files (1998–2025) · SSA publishes a name only in years it was given to at least 5 babies, so a name may have been in use before — or between — the years shown here