Amilliah is a very rare girls' name that peaked in 2020 and has since faded.
Amilliah is a girl name. In 2025 it ranked #15,089 for girl births in the United States (and #25,008 across all names), given to 5 babies. Amilliah was first reported in SSA data in 2016 and peaked in 2020 (7 births).
Girls named Amilliah per year · hover for count and girls rank · Source: U.S. Social Security Administration, national data 2016–2025 · 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