The main settlement is Edinburgh of the Seven Seas (known locally as "The Settlement").

Edinburgh of the Seven Seas
The only religion is Christianity, with denominations of Anglican and Roman Catholic.

The current population is thought to have descended from 15 ancestors, eight males and seven females, who arrived on the island at various times between 1816 and 1908. The male founders originated from Scotland, England, The Netherlands, the United States and Italy and share just eight surnames: Glass (Scottish), Green (Dutch), Hagan (Irish), Lavarello (Italian, a typical Ligurian surname), Patterson (Scottish), Repetto (Italian, another typical Ligurian surname), Rogers (English) and Swain (English). There are 80 families on the island. Tristan da Cunha's isolation has led to an unusual, patois-like dialect of English.
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