O'Brien is an unincorporated community in Josephine County, Oregon, United States. As of the 1990 census, O'Brien had a total population of 247. The place was named after a man called John O'Brien (which is of Irish origins), who was one of the first settlers to arrive at the locality.
Geography
O'Brien is located at (42.068816, -123.720898)
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Josephine County, Oregon |
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| County seat: Grants Pass | ||
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