Words and Proper Names

lebróir

1134.
Kelleher (John V.): Mac Anmchaid, lebróir.
In Ériu 42 (1991), pp. 55–59.
Suggests that lebróir originally referred to `(English) merchant’ (with some pejorative connotations). Also associates the merchant family surname spelt variously as Maccaveny, Mackanewy, McKanefy, MacCanefy, Mackanfy, Mackenefy with Ir. Mac Anmchaid.