Lamoni is a very rare name used for both girls and boys that peaked in 2010 and has grown less common since.
Lamoni is predominantly a girl name. In 2025 it ranked #12,607 for girl births in the United States (and #21,135 across all names), given to 7 babies. Lamoni was first reported in SSA data in 2005 and peaked in 2023 (8 births).
Girls named Lamoni per year · hover for count and girls rank · Source: U.S. Social Security Administration, national data 2005–2025 · 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
Boys named Lamoni
Boys named Lamoni per year · hover for count and boys rank · Source: U.S. Social Security Administration, national data 2005–2025 · 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