In Cornwall there are a number of notable examples of this practice including the Obby Oss in Padstow and Furry Dance or Flora day in Helston.
Prior to the 20th century it was common for young residents of the towns of Penzance and St Ives and other nearby settlements to conduct their own festivities.
The following is from a contemporary description of the events themselves in 1881 collected by Robert Hunt in 'Popular Romances of the West of England Online Transcript of the original THE first of May is inaugurated with much uproar.
At daybreak, with their "tintarrems," they proceed to the country, and strip the sycamore-trees (called May-trees) of all their young branches, to make whistles.
When all were gathered, they went into the country, and were welcomed at the farmhouses at which they called, with some refreshment in the shape of rum and milk, junket, or something of that sort.