Flynn is an Irish surname or first name, an anglicised form of the Irish Ó Floinn or possibly Mac Floinn, meaning "descendant or son of Flann" (a byname meaning "reddish (complexion)" or "ruddy"). The name is more commonly used as a surname rather than a first name. According to John O'Donovan's 1849 works, the modern descendants of Lugaid mac Con include the O'Driscolls, O'Learys, Coffeys, Hennessys and Flynns of County Cork. According to historian C.
https://en.wikipedia.org/wiki/Flynn