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Madison is a town in New Haven county in Connecticut. It was formed in 1826 from the following town or towns: Guilford. Madison is a part of the Madison probate district and has been since 1834. Guilford was/were the previous chronological district or districts. For more information, contact the county at 8 Campus Dr. Madison 06443-2563. On the attached map, New Haven is located at E6.
For information about the state of Connecticut see Connecticut Family History Research.