O'Rearden Surname Meaning & Coat of Arms
O'Rearden is best understood together with O'Riordan: both are Irish spellings of a single family name. Read literally, O'Rearden points to “Descendant of the royal poet”. O'Rearden is listed among the recognised spellings of O'Riordan. Regional accents shaped spellings long before dictionaries fixed them.
Related forms: Riordan and Reardon.
Arms linked to O'Riordan and its spellings were granted to individual families; our heraldry team traces which line they belonged to. Get the complete O'Rearden report, with a museum-style coat of arms.