Characters in Celtic Mythology: 1 character
Muiredach Bolgrach   (m)  
Irish Kings: 2 kings
King Muiredach Bolgrach   674-670 BC  
King Muiredach Tírech   310-343  
Saints: 1 saint
Saint Murtagh of Killala (a.k.a. Muiredach)   ?-5xx  
Scottish Kings and Queens: 1 king
King Muiredach mac Ainbcellach   c. 733-c. 736