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 Oírr [Inisheer], beginning with the letter B. Bóthar an Mhóinéir, Bóthar an Chreig Mhóir, Bothar Béal an Chalaidh, Bothar Creig an Slait, Bothar an Bhaile Thios, Bothar Baile an Lurgain, Bothar Béal an Chalaidh, Bothar Cúl an Mhaca, Buaile Ghlas, An Bliubh, Boithrín na bPoll, Bothar an Chaisleáin, Baile an Chaisleáin, Bothar Thrá Chaorach, Baile Thuas, Boithrín na Síog, Béal an Chalaidh, Bullán an Chapaill, Buailte Doibe, Baile an Lurgain, and An Bothar Thoir. Micheál O Conghaile, Johnny O Donncha, Padraic Piol, and Bean Ní Chatháin are credited as being local sources of information.

Overview list of the following features of the townland of Inis Oírr [Inisheer], beginning with the letter A. Aill Chreig an Tí, Aill na Gleanna, and Áit an Chuain.

Overview list of the following features of the townland of Inis Meáin [Inishmaan], beginning with the letter U.Uamhain Thrácht Each/Uamhain Ghríora (Ooanraghlagh on the OS), An tUlán Liath, and Uamhain an Bhothair. Dara Beag Ó'Flaithearta is credited as being a local source of information.

Overview list of the following features of the townland of Inis Meáin [Inishmaan], beginning with the letter T.Tobar Bhearna an Róid, Turlaigh Bhaile na Seoigeach, Trá Leitreach, Tobar Chinn Dheirge, Teampall na Seacht Mac Rí (the foundations of an early church with a small stone cross. Robinson includes a rough illustration of the cross), Tobar na Pairce, An Troigh Mharafa/Mharfach, An Tarracán, Tobar Mór, Tóin an Ghramair, Tracht Each, Trá Mhaindlín (believed locally to be named after a Spanish ship that wrecked there), Tobar Bhuaile Boige, Tobar Nora Ní Mhugáin, Tobar Isleamáin, Tobar Bhuailte Mhuire, and Teampall Mhuire.Seánín Ó'Conaola, Áine de Blácam, Dara Beag Ó'Fatharta, Data Mháirín, Seán Ó'Conaola, and Drúichtiní Vol 1 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 S.Scailp na Caonaigh, Scailpín an Raic, An Seanbhóthar, An tSrúill, An Stillhouse/An 'Slows', Srúill na bhFaochan, Srúill Mhór, An Scailp, Scailp an Chinn, Strapa na gCaileacha Dubha, and an tSeancharraig. Pádraic Ó'Faharta, and Colm Mór Ó'Fatharta 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 R.Roidín Creagán an Ghabhair, Roidín Bhothar na hAille, Roidín Clochach, Roidín Phort na Cora, Roidín Bhearna an róid, Roidín Stillhouse, Roidín Bhuailte Mhuire, Roidín Árd, Réidh na hUanach, Roidín Pholl na bPúcaí, Roidín Beag Sliocht Uí Fhlaharta, An Roidín Bacach, Roidín an Fhanain, Roidín Bhuaile na Crosoige, Reilig Chimí, Creagán na Sneá, and Roidín Faoin Aill. Áine de Blácam, Joseph Conneely, Dara Ó'Conaola, Dara Beag Ó'Flatharta, Colm Mór Ó'Fatharta, and Data Mháirín 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 P.Poll Mhaire Báine, Poll an Ruánach, An Poll Mór, Poll na Roc, Poll na Móna, Poll Mháire Báine, Poll na gColm, Port na Cora, Poll Gorm, Poll na Síoga, An Príosún, Poll Ribín, Poll Carraig na bPiseog, and Poll an tSéideáin.Pádraig Dara Beag Ó'Fatharta, Dara Beag Ó'Flaharta, Dara Ó'Conaola, and Colm Mór Ó'Fatharta 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 O.Oileán Ghraibéir, and An tOileán Dubh. Colm Mór Ó'Fatharta, and Tarlach de Blácam 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 M.An Moinín Glas, Moinín na Ruaige, Muirbheabh Míl, and Manta (a low lying coast described as Moontiaugh on the OS. Some of the local residents differ in how they refer to it, from Aill na Mantaí to Creig na Mantaí.