Meaning and Origin of: Shannon

Girl name origins & meanings

  • Irish : Wise one; river name

Girl name variations

Boy name origins & meanings

  • Irish : Old

Family name origins & meanings

  • Irish : reduced form of Shanahan.
  • Irish : reduced Anglicized form of Gaelic Ó Seanáin ‘descendant of Seanán’, a personal name based on a pet form of seán ‘old’.
  • Irish : in County Clare, a reduced Anglicized form of Mac Giolla tSeanáin ‘son of the servant of St. Seanán’. In the Irish midlands Leonard and Nugent have been adopted as equivalents of this name.

Famous people with this last name