About the Graton surname
The surname Graton has a primarily toponymic formation. The surname form is consistent with an English surname of geographical or toponymic origin. In this type of surname, the name first located a person in relation to a place before becoming hereditary. Families bearing the same surname may nevertheless come from different places when more than one locality produced a similar name.
Pronunciation:
Gra-ton/ɡʁatɔ̃/