Usually the word ‘Eaton’ is used to name a male child and is believed to be taken from the Old English. The meaning that you can figure out from the name is the ‘island settlement’. You can elaborate the meaning of the name by giving the example of many names that end with the word ‘tun’ which is used to convey the idea of a place.
The word is not very popular as a first name but when it comes to the use of it as a surname the word has earned a great popularity. You can find several people that are the bearers of this surname.
The name is not alone and is served by the company of several other variants; the name Eatton, Eton and Eyton are based on the same root.