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Seyfert

1. Seyfert is the 45,467th most popular last name (surname) in the United States; frequency is 0.000%; percentile is 85.155 [SourceCBN]
2. Seyfert, Pennsylvania, United States [Place] is in Berks County; location is 40°17'18"N 75°53'2"W [SourceGSP]