E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Agnes Day (St.),
21st January. Upon St. Agnes night, you take a row of pins, and pull out every one, one after another. Saying a pater-noster, stick a pin in your sleeve, and you will dream of him or her you hall marry.Aubrey: Miscellany, p. 136.