About the Lachance surname
The surname Lachance is associated with an older descriptive nickname. Lachance is a nickname formed from the word “chance,” possibly linked to a circumstance or attributed trait. Names of this type generally began as nicknames used to distinguish a person by a physical, personal, or social characteristic. The same nickname could be given independently to different people, producing unrelated family lines.
Pronunciation:
La-chans/laʃɑ̃s/