D.J. Taylor (Arts, 4 April), notes that the Scouse dialect has its origins in “native Lancashire plus immigrant Irish with a few extra twists”. The extra twists would be nineteenth- and twentieth-century Welsh immigrants, many of them from seafaring families.Until fairly recent times, it was possible to distinguish between Irish Catholics and Protestants by the way in which they pronounced certain words. In the 1960s, a double advertisement on Liverpool buses read on one side &ldquo