O'Sullivan - Last Names

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O'Sullivan

/oʊˈsʊlɪvən/

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Moderate

Meaning

Descendant of Suileabhán

Represents lineage, endurance, and ancestral pride, reflecting a deep connection to family and heritage.

Symbolism

Embodies strength, loyalty, and the enduring spirit of Irish clans; symbolizes resistance and survival through centuries of upheaval.

Etymology: From the Irish 'Ó Súilleabháin', where 'Ó' means 'grandson or descendant of' and 'Súilleabhán' is a personal name likely derived from 'suil' (eye) and a diminutive suffix, possibly meaning 'little dark-eyed one' or 'hawk-eyed'.

Style & Origin

traditional
strong
ancient

Cultural Background

Of Irish Gaelic origin, O'Sullivan is one of the most prominent surnames in Ireland, particularly li

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