Caizyn is a very rare boys' name that peaked in 2025 and has grown less common since.
Caizyn is a boy name. In 2025 it ranked #9,874 for boy births in the United States (and #20,385 across all names), given to 7 babies. Caizyn first appears in 2025 and peaked in 2025 (7 births).
Boys named Caizyn per year · hover for count and boys rank · Source: U.S. Social Security Administration, national data 2025–2025 · U.S.+territories from SSA territory files (1998–2025)