O'Mahony (No.1) family genealogy

Chiefs of Hy-Eachach (now the Barony of Iveagh, Co. Cork)

Arms: Quarterly, 1st and 4th, or. a lion ramp. az.; 2nd, per pale ar. and gu. a lion ramp. counterchanged; 3rd, ar. a chev. gu. betw. three snakes torqued ppr. Crest: Out of a viscount's coronet or, an arm in armour embowed, holding a sword ppr. pommel and hilt or, pierced through a fleur-de lis az. [1]

HUGH GHARBH (or Hugh the Terrible), a younger brother of Laeghaire who is No. 93 on the "O'Donoghue" (of Lough Lein) pedigree, was the ancestor of O'Mathamhna; anglicised O'Mahony and Mahony.

93. Aedh (or Hugh) an Gharbh [2] [garriv]: son of Crimthann.

94. Tighearnach: son of Hugh Gharbh.

95. Felim:* his son.

96. Ceannfaola: his son.

97. Fergin: his son.

98. Beice (or Becc): his son; a quo Cineal mBeice, anglicised Beck or O'Beice ("beic:" Irish, a shout).

99. Ferdaltach: his son.

100. Artgall: his son.

101. Connall: his son.

102. Alioll Brugha ("brugh:" Irish, a large house): his son; a quo Burgess.

103. Cugeiltach: his son.

104. Conor: his son.

105. Taithneach: his son.

106. Spellan: his son.

107. Cian: his son; had a brother named Maolmoradh.

108. Braon: his son.

109. Cian (2): his son.

110. Mathghabhuin ("maghghabhuin:" Irish, a bear, or, literally, "a calf of the plain"): his son; a quo O'Mathamhna or O'Maghghamhna; living 1014.

111. Brodceann O'Mahony: his son; first assumed this sirname.

112. Cumara: his son.

113. Donoch: his son.

114. Cian (3): his son.

115. Donoch: his son.

116. Dermod: his son.

117. Teige: his son.

118. Donoch (3): his son.

119. Dermod Mór: his son.

120. Finghin: his son.

121. Donal: his son.

122. Dermod: his son.

123. Conor O'Mahony:[3] his son.

Notes

[1] O'Mahony: Daniel O'Mahony, Lieutenant-General, a distinguished officer in the Irish Brigade in France, brother-in-law of the Marshal Duke of Berwick, signalized himself at the Boyne, Aughrim, and Limerick, and accompanied his regiment to the Continent. In January, 1702, some of the Irish Brigade under O'Mahony, turning out in their shirts in the middle of the night, defeated Prince Eugene's attempt to capture Cremona. For their bravery and resolute refusal of the offers made by Prince Eugene to turn them from their allegiance, Louis XIV. sent his thanks to the regiment and raised their pay. O'Mahony was made a colonel, and was subsequently recommended to Philip V. of Spain, by whom he was put in command of a regiment of Irish Dragoons. He was subsequently appointed a Lieutenant-General, and created Count of Castile. He died at Ocana in January, 1714.

[2] Gharbh: The epithet gharbh ("gharbh:" Irish, rough, terrible, impetuous; Lat. "grav-is") is the root of the Latin river Garumna and the French Garonne: both of which are derived from the Irish Garbh-amhuin ("amhuin": Irish, a river; Lat. "amnis"), meaning "the boisterous river."

[3] The O'Mahony family were "undisputed kings of Raithlean, and had a right to be kings of Cashel whenever that kingdom happened to he vacant; and from whom the Kings of Cashel had no right to demand anything except a bowing of the head."—Book of Munster.

The O'Mahonys were for many ages sovereign princes of the countries or districts called Cineal-Ædh, Cineal-mBeice, Ibh-Conlua, and all that part of Muscry which lies southward of the river Lee; and, in later ages, of the large district called Scull, together with that of Ive-eachach [Iveagh], in the county Cork.

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