In all the world, Ruadhan (Ruadhan 
) is a very rare boy's first name. The forename Ruadhan is habitual in Northern Europe, particularly Ireland, where it is a rare boy's name.
Gee, Mannion, Mckeone, Mcelroy, Killeen, Victory, Farrell, Furlong, Wilson, O'Toole, Mccarthy, Mclennan, Corrigan, Branigan, Donnelly, O'Sheridan, Kirschner, O Connor, Nethercott, Neeson, Currie, King, Nidh, Ward, Maher, Cowan, Barry, Kelly, Taylor, Pitts, Duffy, Jones, Elder, Hayes, Magill, Murray, Slevin, Dunne, and Gillespie-Mules