What is the origin ethnicity andor country of origin of the surname Ertley?

This American surname Ertley could originate from the following origins listed below.

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1.) It could be a variant of English surname: Hartley, also spelt as Artley.

2.) it could be a variant of English surname: Eardley.

3.) It could be of Hungarian origin, an americanized form of Hungarian surname: Erdelyi.

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