The surname Patterson comes from the Irish O Casain. At one time it was anglicized as Kissane, but this is now obsolete as a variant of Patterson. Patterson is a somewhat unusual variant brought about through pseudo-translation. "Casan" means "path," locally pronounced in
as "Pat" which strangely brings about Patterson.
(Irish: Connachta, (land of the) descendants of Conn), where it belonged to one of the eight Sodhans. The Sodhans were septs which were located in the Hy Many (Ui Maine) country, but whose ancestors were not of that group.
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