There are various pisreógaí connected with this day. The following are some of them.
It is considered unlucky to make a churning on May Day.
It is unlucky to throw out the ashes or the sweepings of the floor.
It is not lucky to give away milk or to give a coal to anyone.
Place: Kilkerrin, Co. Galway
Footnote: Duchas, http://www.duchas.ie