Cahir is a very rare boys' name that peaked in 2019 and remains in steady use.
Cahir is a boy name. In 2025 it ranked #12,346 for boy births in the United States (and #25,448 across all names), given to 5 babies. Cahir first appears in 2017 and peaked in 2019 (7 births).
Boys named Cahir per year · hover for count and boys rank · Source: U.S. Social Security Administration, national data 2017–2025 · U.S.+territories from SSA territory files (1998–2025)