Alfrids, beatties, cormacks and daltons.

• alpha, beta, gamma and delta: the first four letters of the Greek alphabet → the New Testament was written in Greek
  • Wikipedia

• Alfred Chester Beatty: American philanthropist and industrialist who left his extensive collection of artworks and manuscripts to the Irish nation; his collection included some of the oldest fragments of the New Testament
  • Third Census of Finnegans Wake

• Cormac Mac Airt: a legendary High King of Ireland, contemporaneous with Finn Maccool
  • Third Census of Finnegans Wake

• D'Alton: John D'Alton (1792-1867), Irish historian, author of History of the County of Dublin
  • Third Census of Finnegans Wake

• Dalton: John Dalton (1766-1844), father of the modern atomic theory → daltonism = a form of colour-blindness