Not French, Dockwra is an English place-name, Dockwra in Cumbria. It means a secluded spot where dock (the weed) grows. Quarton is a variant of Wharton, also an English pn., I forget where (Lancashire?), and I've forgotten the meaning, though -ton denotes a farm. Gate, also English, though there might be Irish bearers. It means what it says. Ackerman, acker (acre) an old word for a field. The name denotes a farmer.