MacNeii.l — Early Irish Population- Groups. 71 



DAI Druithne = Coreu Druithne 



Ddl Duibiie, cp. Coreu Duibne 



D41 Echacli, cp. Coreu Echaeh 



DAI Eogain = Eoganaeht 



Ddl Fiaehach = Coreu Fiachacli 



DAI Luigne = Coreu Luigne 



Ddl Maigen, ep. Coreu Maigen 



Ddl Maigne, ep. Coreu Maigne 



Dal Maugnae, ep. Mauginrige 



Dal Me Druad = Coreu Mu Druad, Coreumruad 



Dal Mo Dula, cp. Coreu Dula 



Ddl Moga, cp. Coreu Moga 



Ddl Riatai = Korku Rati, Coreu Riada 



Dal Ulad, cp. Coreu Ulad 



Coreu Bibuir, ep. Bibraige 



Coreu Cuirn, ep. Cuirenrige 



Coreu Ddlann = Ddl Ddlann 



Coreu Duib = Dubrige 



Coreu Loegde, also named Ddirine 



Coreu Ocb(a)e, cp. Ochaine 



Coreu Luaebra = Orbraige Droma Imnoeht 



Coreu Neehtae, ep. Nechtarge, Neehtraige 



Coreu Ruisen = Tuath Ruisen 



Coreu Sai = Sairige 



Coreu Themne = Temenrige 



Saithrige, ep. Saithne 



Semraige, Semonrige = Semaine, Semoni, Tuath Semon 



41. Of collective names in -acht, I have only three certain instances, all 

 very prominent in history, Cianacht, Connachta, Eoganaeht. The plurals 

 Cianaclita, Eoganachta are also frequent, especially when more than one sub- 

 division of these groups is in question. Of the singular Connacht I have no 

 example ; but the phrase teora Connachta shows that here, too, we have a 

 collective noun. These instances may be added to Bibraete cited by 

 Thurneysen (Altir. Gram. § 262) in support of liis view that the abstract 

 nouns in -acht were originally collectives. Other possible examples are 

 Aileeh Esrachtae, Ard Cdnachta, Cluain Cuallachta, Crich Cugennachte. 



42. In my paper on the Moccu-formula (Eriu, vol. iii), I brought together 

 a number of instances to show that this formula, which was used as a kind of 

 surname until the eighth century, had relation to the people-name, the 

 eponym in the latter being extracted, so to speak, and its genitive preceded 

 by moccu being used to form the surname or gens-name of the individual. I 



