Casai is a very rare variant of Casey that peaked in 2025 and has grown less common since.
Casai is a boy name. In 2025 it ranked #4,732 for boy births in the United States (and #10,004 across all names), given to 21 babies. Casai was first reported in SSA data in 2020 and peaked in 2025 (21 births).
Boys named Casai per year · hover for count and boys rank · Source: U.S. Social Security Administration, national data 2020–2025 · 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