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| | Ontario County, New York Genealogical Records Information |
 | | A line drawn due north and south through New York State, touching the west shore of Lake Seneca, will mark the eastern boundary of the original County of Ontario as it was in 1789. |
 | | In December, 1786, a section which included the present counties of Ontario, Steuben, Genesee, Allegany, Niagara, Chautauqua, Monroe, Livingston, Erie, Yates, and the western halves of Orleans and Wayne, were turned over to the State of Massachusetts, subject to the claims of the Seneca Indians. |
 | | The County, even when it covered the original territory, was recognized as one particularly suited to agriculture, especially that part now enclosed in Ontario. |
| www.mynewyorkgenealogy.com /ny_county/ont.htm (1245 words) |
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