Dolphin
Derived from the Latin 'delphinus', this name refers to the dolphin. In various cultures, the dolphin is a symbol of protection, guidance, and intelligence. It is the masculine Italian and Spanish form of the name Delphine.
Less common today
Delfino isn't in the latest US Top 1000. It last peaked at #2,217 in 1995.
One of the last surviving Italian veterans of World War I
Italian mathematician known for the Gauss-Codazzi equations
US births per 5-year period, 1990βpresent (SSA data).