The Conmhaicne (descendants of Con Mhac) were an ancient tribal grouping that were divided into a number of distinct branches that were found scattered around Ireland in the early medieval period. They take their name from a mythical ancestor known as Con Mhac "hound son".

The Conmhaicne Mara (the Conmhaicne of the sea) were located in what is now the extreme west of County Galway and gave their name to the territory they occupied i.e. Connemara, which is the anglicised form of Conmhaicne Mara. The territory of Conmhaicne Mara / Connemara covers all of the barony of Ballynahinch and the civil parish of Inishbofin, which is in the barony of Murrisk. The territory contains the five civil parishes of Ballynakill/Baile na Cille, Ballindoon, Moyrus/Maigh Iorras, Omey/Iomaidh Fheicín and Inishbofin/Inis Bó Fine. The territory contains the five Catholic parishes of An Clochán (Clifden, Omey & Ballindoon), Iorras Ainbhtheach (Carna), Cloch na Rón/(Roundstone), Baile na Cille (Ballynakill) and Inis Bó Fine/(Inishbofin). County Galway (Contae na Gaillimhe in Irish) is located on the west coast of Ireland. ... Connemara (Irish Conamara), which derives from Conmaicne Mara, (meaning: descendants of Conmhac, of the sea) is a district in the west of Ireland (County Galway). ... Murrisk (Muraisc in Irish) is a village in County Mayo, on the south side of Clew Bay, about 6km west of Westport, County Mayo. ... Clifden (An Clochán in Irish) is a town on the coast of County Galway, Ireland. ... Carna refers to two distinct women from Roman mythology. ... Roundstone (Irish: Cloch na Rón) is a village in Connemara, County Galway, Republic of Ireland, located on the west coast of Ireland. ... Inishbofin in Ireland Inishbofin is an island about 8 kilometers off the coast of Connemara, Ireland. ...

The area of County Galway in which Connemara lies is known as Iar Connacht ie the portion of County Galway west of Loch Corrib and a small piece of County Mayo. Iar Chonnachta (longer form - Iarthar Chonnachta) (alternative spelling- Iar Chonnacht) covers the portion of County Galway west of Loch nOirbsean (Loch Corrib) and the Gaillimh / Galway River (better known as the River Corrib) and the portion of County Mayo in the barony of Ross. ... County Mayo (Irish: Maigh Eo, the plain of the yews) is a county on the west coast of Ireland. ...

Other branches of the Conmaicne located in what is now County Galway include the Conmaicne Toland, the Conmaicne Dun Mor. The parish of Kilconickny, which means "church of the Conmaicne"is located west of the town of Loughrea. The Conmaicne or Conmhaicne (descendants of Con Mhac) were an ancient tribal grouping that were divided into a number of distinct branches that were found scattered around Ireland in the early medieval period. ... Loughrea (Baile Locha Riach in Irish) is a town in County Galway, Ireland. ...