Mark Jeffrey was an English

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

 convict transported

Penal transportation

Transportation or penal transportation is the deporting of convicted criminals to a penal colony. Examples include transportation by France to Devil's Island and by the UK to its colonies in the Americas, from the 1610s through the American Revolution in the 1770s, and then to Australia between...

 to Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

. He was known as "Big Mark", the grave digger on the Isle of the Dead Cemetery

Cemetery

A cemetery is a place in which dead bodies and cremated remains are buried. The term "cemetery" implies that the land is specifically designated as a burying ground. Cemeteries in the Western world are where the final ceremonies of death are observed...

 at Port Arthur, Tasmania

Port Arthur, Tasmania

Port Arthur is a small town and former convict settlement on the Tasman Peninsula, in Tasmania, Australia. Port Arthur is one of Australia's most significant heritage areas and the open air museum is officially Tasmania's top tourist attraction. It is located approximately 60 km south east of...

. While a living alone on the island for several years he dug his own grave, which he carefully tended, patting down the sides with a spade to kill marauding worms. Before his death in 1903 he wrote his autobiography which provides an interesting insight into convict life.