B

• Battles involving the Connachta (1 C, 10 P)

K

• Kings of Connacht (1 C, 94 P)

M

• Kingdom of Meath (3 C, 2 P)

O

• O'Conor dynasty (71 P)

U

• Uí Fiachrach (1 C, 11 P)
• Uí Néill (3 C, 8 P)

• Connachta

A

• Airgíalla

B

• Branches of the Cenél Conaill
• Branches of the Cenél nEógain

C

• Coirpre mac Néill
• Conchobar mac Diarmata
• List of kings of Connacht

D

• Dermot mac Tadhg Mor

E

• East Breifne

K

• Kingdom of Breifne
• Lists of Irish kings
• Kings of Ailech
• Kings of Magh Luirg

M

• Dermot MacDermot
• Cormac MacDermott
• Máel Ruanaid Mór mac Tadg
• Maine of Tethba
• List of kings of Meath
• Muirchertach mac Maelruanaidh Mor

N

• Nath Í mac Fiachrach
• Niall of the Nine Hostages

O

• Ó Duibhgeannáin
• Conn Ó Néill
• Carlos O'Neill
• Felix O'Neill (died 1709)
• Henrique O'Neill, 1st Viscount of Santa Mónica
• Hugo José Jorge O'Neill
• João O'Neill
• João Pedro Torlades O'Neill
• Joaquim Torlades O'Neill
• Jorge Maria O'Neill
• Jorge Torlades O'Neill I
• Jorge Torlades O'Neill II
• José Carlos O'Neill
• José Maria O'Neill
• Maria O'Neill

S

• List of kings of Síol Anmchadha
• Síol Muireadaigh

T

• Tadhg mac Muirchertach
• Tadhg Mor mac Maelruanaidh
• Tethbae

U

• Uí Briúin
• Uí Fiachrach
• Uí Mháine

W

• West Breifne