People used not churn on May Eve and they do not like to sell milk on May Day. If a neighbour has no milk due to the arrival of a calf, the neighbours gives this person sufficient milk on May Eve to sustain them until the following day to avoid giving it away on May Day.
Collector: Eibhlín Ní Ailledéa, Dunmore, Co. Galway
Informant: John Robinson, Killimor, Co. Galway
Place: Dunmore, Co. Galway
Footnote: Duchas, ‘The Schools’ Collection’, www.duchas.ie