Brynn, originally an Irish surname derived from the Gaelic 'O' or 'Ui', has evolved over time to become a popular given name in English-speaking countries. Pronounced as 'brin', it is often associated with the Welsh word for 'hill', reflecting its connection to both Celtic cultures. The name Brynnan, an extended variant of Brynn, adds an extra touch of uniqueness and can be attributed to various historical figures throughout history.
The name Brynnan experienced fluctuations in popularity over the years, with a notable peak of 14 births in 2008.