My French is not that well, despite living in south Louisiana for almost 30 years, but to my knowledge LeGlise in church in French.
Once the Catholic church serving the community of Leblanc. You will probably have difficulty finding Leblanc on any maps. It was a small community located north of Erath. (Even Erath is not on all maps either) The community is gone, the school next door is gone, and the church was abandoned.
A family bought the property from the Catholic diocese and lovingly sent a lot of time restoring it well beyond it's original state. It now serves as a reception center.