Kerrie,I was just looking through the LaPlant Forum and came across the following message from a John LaPlant from Upper Michigan.His e-mail address is email@example.com if this helps, get in touch with him.
"I live in northeron wisconsin, I am from gladstone mi. in the centeral Upper michigan my grandfathers name was luke LaPlant. he moved here from canada with his father whos name was moses in the 1800s. if this helps you give me a holler. my parents still live in gladstone and they would know more. thanks john michael laplant"