Brenin is a very rare variant of Brennan that peaked in 2011 and has since faded.
Brenin is predominantly a boy name. In 2025 it ranked #12,318 for boy births in the United States (and #25,409 across all names), given to 5 babies. Brenin was first reported in SSA data in 1985 and peaked in 2011 (14 births).
Boys named Brenin per year · hover for count and boys rank · Source: U.S. Social Security Administration, national data 1985–2025 · 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
Girls named Brenin
Girls named Brenin per year · hover for count and girls rank · Source: U.S. Social Security Administration, national data 1985–2025 · 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