Shannon Surname Meaning & Origin
What the Shannon last name means, where the surname began and how it spread.
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Meaning and origin of the Shannon last name
Meaning of the Shannon last name: descendant of Seanachán (old, wise). The Shannon surname does not come from the river. It is an English form of several Gaelic names; in Clare it mostly comes from Ó Seanacháin, "descendant of Seanachán", from sean, "old, wise". Some Clare Shannons may instead descend from devotees of Saint Senan. A curious detail of this family name meaning: the last name is most common in Clare and in Ulster.
Arms associated with the Shannon name
Irish heraldry often features animals, hands and trees drawn from old stories, and coats of arms associated with the Shannon surname belong to that tradition.
Get your full Shannon family history
This is only a glimpse of the Shannon story. The full Shannon history report goes much deeper into where the name began, who carried it and how the family spread, and it comes with a museum-style painted Shannon coat of arms. Get the full Shannon report.
Shannon name FAQ
What does the Shannon name mean?
Descendant of Seanachán (old, wise). Common variants include O'Shannon, Giltenan.
Where does the Shannon surname come from?
It originates in Ireland, and is also found in the United States, England and Australia.
Is there a Shannon coat of arms?
Arms were granted to individuals rather than to everyone with a surname. Herald Lab paints a personalized Shannon coat of arms in museum style, based on historic heraldry.
Sources: Patrick Woulfe, Sloinnte Gaedheal is Gall: Irish Names and Surnames (1923); MacLysaght, The Surnames of Ireland.