US Popularity Rank: 12167

Origin: Irish

Meaning: Descendant of Seachnasach

Shaughnessy is a gender neutral variant of the Irish surname O'Shaughnessy. Digging into your roots has never been quite so easy with this name literally meaning "descendent of Shaughnessy." Or more authentically, in the Irish translation this name means "descendent of Seachnasach."