Overview list of the following features of the townland of Inis Oírr [Inisheer], beginning with the letter C. An Churáit, Creagán an Asail, Ceann na Faochana/na Faochán, An Poillín/Ceathrú an Phoillín, An Corrán, Creig na gCat, Creagán Ard, Cois Caol, Creig an Cheangaire, Cosánna gCapall, Cill Ghobnait (or Teampall Ghobnait as it appears on the OS placenames index), An Charraig Chúl, An Chuinneog, Cró Buí, An Creachlán, Cloghaunabillaun, An Clochar, Creig na Fola, Creagán Caol, Cill na Seacht nIníon, Creig an tí, Creig na bhFaoileán, Cloch Chormaic, Carraig na Finnise, Cora na dTrompaí, and Creig an Bhobailín. Johnny and Bríd Ó'Donncha, Dara Ó'Conaola, J. F. Ó'Catháin, Pádraig Póil, Mícheál Ó'Conghaile, and Seán Ó'Conghaile are credited as being local sources of information.

Overview list of the following features of the townland of Inis Meáin [Inishmaan], beginning with the letter C. An Crechlán, Cnoc Beag, Ceann an Bhrutha/Ceann an Bhroibh, Creaga na Farraige, Cornéal an Phráca, An Ceann, Carraig na gCailleach, Cimín na bhFaoilean, Carraig bhréide, Clochán at Cinn an Bhaile, Carraig Ard, Cora na Landáil/Landaí, Caladh Mór, Cromall Cinn an Bhaile, Creachalán, Cló Naomh/Buailín na Naomh, An Caonach, Cora Chaladh, Carra na Lugán, Carraig Mhór, Carraig na Léime, Carraig Dain, Caladh Pheadair, Carcair Pheadair Uí Bhriain, Cladach an tSiúite, An Clochar (the remains of a small ring fort), Creig na Leanbh, Na Creaga Móra, An Caimreán, Ceannfhionnach, Cromleic, Cloch an Fhaoileáin, Ceathrú na Fearbhaigh, Cloch an Róin, Cora na Roilleach, Carra/Caladh na Loinge, An Chromleac, Creog na gCaorach, Ceathrú an Iomair, Cromall an Mhothair, Creig Mhaimín na mBairneach, Cloch Iotar, Carcair Dhaithí, Carn an Mhothair, Caladh na gCurrach, An Chora Mhór, Carciar na hAon Bhó, An Claí Gainimh, An Carnán, Carcair an Bhranda, Claí Dearg, Cnocán Bhriain, An Chromleac, Cloch na nGabhar, Creig an Charnáin, Na Creaga Dubha, Carraig an Aifrinn, Carcair na Scoile, and Creig an Bheallaigh. Aine de Blácam, T. de Blácam, Colm Mór Ó'Fatharta, Dara Beag Ó'Fatharta, Dara Ó'Conaola, Joseph Ó'Conghaile, Micheál Concannon, Seáinín Beag are credited as being local sources of informatiom. As is Drúichtiní Vol I.