Index to the 1850 Census of Pennsylvania: Berks Co., Bucks Co., Lancaster Co., Luzerne and Wyoming Cos., Northampton Co.
The 1850 census was the first census in which every member of a household was enumerated by name: Berks, 7,000; Bucks, 8,000; Lancaster, 15,000; Luzerne/Wyoming, 10,000; and Northampton, 5,000. (540pp. index. Clearfield Co., 2007 reprint.)
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