The name Deveral is an English baby name. In English the meaning of the name Deveral is: Surnames derived from place name Deverel.
The name is notably found in Wexford, where the Normans first landed in Ireland from Pembrokeshire in Wales. It is a variant of Devreux (which unlike Devereux is still encountered in Normandy) meaning "d'Évreux" or "from Évreux", a town in Normandy, France.
A male's surname generally takes the form Ó/Ua (meaning "descendant") or Mac ("son") followed by the genitive case of a name, as in Ó Dónaill ("descendant of Dónall") or Mac Lochlainn ("son of Lochlann"). ... When anglicised, the name can remain O' or Mac, regardless of gender.
The name Aiwyn is an English baby name. In English the meaning of the name Aiwyn is: Wise friend. From the Old English Aetheiwine, and also Aefwine, both meaning noble friend. Various forms of Alvin in use after the Norman Conquest became surnames, and also first names.