Samhain in parts of Ireland and the Scotland into the 20th century. They were also found in Somerset (see Punkie Night). In the 20th century they spread to other parts of England and became generally known as jack-o'-lanterns. During the late 19th and early 20th century Celtic Revival, there was an upswell of interest in Samhain and the other Celtic festivals. Sir John Rhys put forth that it had been the "Celtic New Year". He inferred it from contemporary folklore in Ireland and Wales, which he felt was "full of Hallowe'en customs associated with new beginnings". He visited Mann and found
Samhain V. Peddle suggests the guisers "personify the old spirits of the winter, who demanded reward in exchange for good fortune". McNeill suggests that the ancient festival included people in masks or costumes representing these spirits and that the modern custom came from this. In Ireland, costumes were sometimes worn by those who went about before nightfall collecting for a Samhain feast. In parts of southern Ireland during the 19th century, the guisers included a hobby horse known as the "Láir Bhán" (white mare). A man covered in a white sheet and carrying a decorated horse skull (representing the "Láir Bhán")