Second descendant of Seachnasach
An anglicized form of the Irish surname Ó Seachnasaigh. The root name Seachnasach is thought to mean elusive or difficult to find, often associated with the prominent O'Shaughnessy clan of County Galway.
Less common today
Shaughnessy isn't in the latest US Top 1000. It last peaked at #8,124 in 1997.
US births per 5-year period, 1990–present (SSA data).
Canadian journalist and author
Canadian Member of Parliament
