Last name: SHANNON

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All you have to know about the last name SHANNON

Last name frequency

SHANNON : This last name is indexed 110,441 times on Geneanet!

Origin of last name

SHANNON : Irish:: 3: shortened form of Shanahan.1: shortened Anglicized form of Gaelic Ó Seanáin ‘descendant of Seanán’ a personal name based on a pet form of seán ‘old’. This Irish surname became established in Scotland in the 14th century.2: in County Clare a shortened Anglicized form of Mac Giolla tSeanáin ‘son of the servant of St. Seanán’. In the Irish midlands Leonard and Nugent have been adopted as equivalents of this name.

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