The original settlers of the Town of Brookhaven, based in the neighboring hamlet of Setauket, bought a tract of land from the Setalcott Indians in 1655.
The village changed its name from "Drowned Meadow" to "Port Jefferson".
https://en.wikipedia.org/wiki/Port_Jefferson,_New_York
https://en.wikipedia.org/wiki/Port_Jefferson,_New_York
Date
1655