I believe this is a thing in Quebec.
from https://culturalatlas.sbs.com.au/canadian-culture/canadian-culture-naming
In Quebec, the Civil Code requires parents to assign their child only one surname (either a single or compound surname) derived from their respective surnames. Compound surnames may not have more than two parts, with or without hyphens. Thus, a couple named Joseph BOUCHARD-TREMBLAY and Marie DION-ROY could give their children the surnames:
In Quebec, the law provides that spouses retain their respective birth names when they are married.
This. Has changed my life.
Reminds me of Mathcad and Calca
Firefighter here. Brush and gently vacuum your smoke detector. Insects are attracted to the LED and can set off the alarm. They may be very small. Dust can also set it off.