Shannen is a gender-neutral name of Irish origin, derived from the anglicized form of Sionainn, 'Shannen' is a variant of 'Shannon', which is derived from the Irish name Sionainn, meaning 'possessor of wisdom', and is associated with the River Shannon. The name is associated with the goddess Sionna, who represents wisdom. Historically, Shannen was used as a surname, Shannen's popularity as a given name is not clearly established in the available data. The name's significance lies in its connection to Irish mythology and the symbolism of wisdom. Over time, the use of Shannen has evolved from being primarily a surname to becoming a popular given name, reflecting a broader appreciation for Irish heritage.
