412 Proceedings of the Royal Irish Academ//. 



KiLLYBEGS, calbei, 1559; calbeg, 1570; calbege, 1589; calebeg, 159UH1; 



Irish, na cealla beaga ; Killybegs,' Donegal. 

 Tiuioc, 1500, between c. telin and abadia. Probably Tirioe. Tir Aodha 



or Tirhugli in Donegal. 

 Abadia, 1500. Perbaps the district of Ui (or Tir) Baghaine ; Bannagh, 



Donegal. 

 Lesingok,' 1450 ; lesyngor, 1544 ; to the east of Teelin, probably in Co. 



Donegal. 

 Sligo, Slagoi, 1450; Singai, 516; Slago, 1544; Sligo, 1589; Irish, 



Sligeach ; Sligo town. 

 Brasca, brasta or brafca, 1384; bsan, 1436; perhaps " brasta," if so, the 



prominent rock of Dun-briste, Downpatrick, Mayo. 

 Stags of Broadhaven, sach, 1351 ; staciar, 13*73 ; estacas, 1450^ ; 1500 ; 



1516; 1529; 1544; c. stacas, 1559 ; stakky; 1589; usually "Estacas" 



on later maps. The Stags of Broadhaven, Mayo. 

 Erkis Head, c. deres, 1450, 1500 ; c. deros, 1544. Irish, lorrus Domhnonn, 



Erris Head, Mayo. 

 Inisgloea, not named, but the 1369 map gives the usual description " ibi 



semper pmaner, incorupta." Inisglora, Mayo. 

 Ziberia, 1544; shown at the Mullet opposite last, perhaps Inis caorach or 



Iniskeeragh, Mayo. 



Iniskea, Inisquei and Inesquei, 1450, 1516, 1544; lusquei, 1500. Irish, 



Inis geidh ;' Iniskea, Mayo. 

 AcHiLL, archil,'' 1339; arcill, 1384; ardroill (archoill), 1351; ardum, 1373; 



acLilia, 1500; ardcille, 1436; ardroin, 1448; arclon, 1497; ardoim, 



1552; esquesidas (?), 1526; Alkyll and Akkyll, 1572, 1589. Irish, 



Eccuil,^' Achill, Mayo. 

 AcHiLL Head, c. d'aquilla, 1450; c. d'aquil, 1500; c. d. aguUa, 1516; 



c. d'aquila, 1544; c. dacilla, 1568, can akyll, 1590 H; c. d'equilla, 1593. 



Irish, ceann eceuil, Achill Head, Mayo. 

 C. DOLEGO, 1450; c. dolago, 1544; y. dellagh, 1616; y lago, 1593; An 



Island (?) south from Achill ; perhaps in Clew Bay. 



Lesingor, perhaps Lesaimer (Saimer, Eiver Erne), or possibly some name like Lissangower, or 

 Lissanure ; or L'esserou, Asheroe. 



" Several names are duplicated on these maps, probably for convenience, as they are read in 

 opposite directions. <r .» j j 



' ''Wonders of Eii," from the " Book of Glendalough " ; in the " Book of Ballymote," p. 140 ; 

 Bee "The Irish Nennius," p. 231 ; also Insula Sanctae GedUae. 



* The ch is easily confused with d. 



' The name is probably akin to tlie district Aigle or Oigle round Clew Bay. The popular 

 derivation Achill, Aquila, ' eagle,' is unlikely, as in all place-names round the north and west coasts 

 of Mayo the eagle -constituent is uller, ilra. 



