William and Ann was a convict

Convict

A convict is "a person found guilty of a crime and sentenced by a court" or "a person serving a sentence in prison", sometimes referred to in slang as simply a "con". Convicts are often called prisoners or inmates. Persons convicted and sentenced to non-custodial sentences often are not termed...

 ship dispatched in 1791 from England

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...

 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...

. She was built in 1759 in England. Under the command of Master Eber Bunker

Eber Bunker

Eber Bunker was a sea captain and pastoralist, born on 7 March 1761 at Plymouth, Massachusetts. His parents were James Bunker and his wife Hannah, née Shurtleff.-1776-1786: Background:...

, she departed Plymouth on 27 March 1791, with 188 male convicts as part of the third fleet

Third Fleet (Australia)

The Third Fleet consisted of 11 ships which set sail from United Kingdom in February, March and April 1791 bound for the Sydney penal settlement, with over 2000 convicts. The passengers consisted of convicts, military personnel and notable people sent to fill high positions in the colony...

 and arrived on 28 August 1791 in Port Jackson

Port Jackson

Port Jackson, containing Sydney Harbour, is the natural harbour of Sydney, Australia. It is known for its beauty, and in particular, as the location of the Sydney Opera House and Sydney Harbour Bridge...

, New South Wales

New South Wales

New South Wales is a state of :Australia, located in the east of the country. It is bordered by Queensland, Victoria and South Australia to the north, south and west respectively. To the east, the state is bordered by the Tasman Sea, which forms part of the Pacific Ocean. New South Wales...

. Seven convicts died during the voyage. Captain Bunker then conducted the first recorded visit by a whaling ship to New Zealand calling in at Doubtless Bay in 1791 while hunting sperm whales in the South Pacific. She returned to Sydney and thence to England. William and Ann appears to have been lost in 1829 or 1830.