Diarmait mac Cerbaill   (m)   ?-c. 565  
Irish Kings   545-565
Diarmait mac Áeda Sláine   (m)   ?-c. 665  
Irish Kings   658-665
Diarmaid   (a.k.a. Diarmait)   (m)   ?-851  
Saints
Diarmait mac Máel na mBó   (m)   ?-1072  
Irish Kings   1042-1072