Save Type Surname (from given name) Usage Irish Meaning & History From Irish Ó Braonáin meaning "descendant of Braonán", a byname meaning "rain, moisture, drop" (with a diminutive suffix). See All RelationsRelated Names VariantsÓ Braoin, Ó Braonáin Categories nicknames, rain, water, weather Entry updated June 13, 2019
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