If you are offered an article of food at the table, which you already have on your plate, but forgetting that you have it, take some more, it is a sign that a stranger is coming to your house before you eat another meal.
Quebec.
Superstition #771
Source: Current Superstitions (1896), entry 771.
Fanny D. Bergen, editor.
Regional browsing
Modern normalized navigation; the historical attribution above remains unchanged.