he origin of the name would come
from "martre"(marten), the chateau du Martreil or Martray means the country of martens.
The name can as well come from

latin word martyrium : place where is buried a martyr, cemetery paléo-Christian.

Indeed, the chateau du Martreil
is located on the old Roman way from Montjean to Jallais.
Cormier

An archaeological discovery will maybe confirm it one day...

Important Dates