The prison colony also closed (in 1855), and the island was used to move the thriving population of descendants of the [[Bounty]] mutineers from the much smaller [[Pitcairn Island]] in 1856. This small group is the reason for the small number of surnames. | The prison colony also closed (in 1855), and the island was used to move the thriving population of descendants of the [[Bounty]] mutineers from the much smaller [[Pitcairn Island]] in 1856. This small group is the reason for the small number of surnames. |