Translation according to P. W. Joyce:
Ballynahallia in Galway and Kerry; Baile-na-haille [-hallia], the town of the cliff or declivity. See Alia [reproduced below].
Aill and Aille, a cliff: Irish Aill (vol. i. p. 408). Hence Aillbrack and Aillebrack, speckled cliff (breac, speckled); Aillbaun and Aillvaun, white cliff (bán); Aillmore, great cliff (mór); Aillroe, red; Aillbeg, small; Aillwee, yellow (buidhe [pron. Bwee]); Aillnacally, cliff of the hag (Cailleach).