Rowen /ro-wen/ [2 sylls.] as a name for boys (also used less generally as girls' name Rowen). Rowen's roots are Irish and Gaelic, and the meaning of the name Rowen is red-haired; little red-head.Rowen is a version of Rooney (Irish, Gaelic): actor Mickey Rooney. Rowen is also a variation of Rowan (Gaelic).Kreatif forms: Rawen, Rocwen, Ruwen.owen /ro-wen/ [2 sylls.] as a name for boys (also used less generally as girls' name Rowen). Rowen's roots are Irish and Gaelic, and the meaning of the name Rowen is red-haired; little red-head.