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 Oírr [Inisheer], beginning with the letter T. Tobar na Linne, Tobar na Leice, Tracht Each, Trách Míl, Teach Smith, Tobar na Bróige, An Turlach, Teampall Chaomháin, Teampall Cholmain, Tobar an Asail, An Tuar, Tobar Éinne, Trá (or Trácht) Caorach. Johnny Ó'Donncha, Dara Ó'Conaola, Pádraic Griofa, and J. F. Ó'Catháin are credited as being local sources of information.