Bes is likely a carryover of British Somerset usage with Irish grammar or Cornish.
Irish | Irish people | Irish language | Provisional Irish Republican Army | Irish Republican Army | British and Irish Lions | The Irish Times | Notre Dame Fighting Irish football | Irish Independent | Irish War of Independence | Irish mythology | Irish Sea | Irish Free State | Irish nationalism | Royal Irish Academy | Old Irish | Notre Dame Fighting Irish | Irish republicanism | Irish Republic | Irish Rebellion of 1798 | Irish Civil War | Irish annals | Irish literature | Irish Language | syntax | Irish Republican Brotherhood | Irish Guards | Irish Army | Irish Wolfhound | Irish Volunteers |