Son of Cathan; son of the warrior
A Scottish and Irish patronymic surname meaning 'son of Cathan'. The Gaelic name Cathan is derived from the word 'cath', which translates to 'battle' or 'warrior'.
Less common today
Mccain isn't in the latest US Top 1000. It last peaked at #6,834 in 2000.
US births per 5-year period, 1990βpresent (SSA data).
United States Senator and 2008 presidential nominee