The Barque William Miles
There were two vessels named William Miles, both owned by Miles & Co of Bristol, England. The first barque (B.) William Miles was built in 1808 in Bristol by Shipwright J. M. Hilhouse. She underwent a substantial re-builds in 1816 when her tonnage was increased from 324 tons to 577 tons and in 1854 she underwent another re-build when she was lengthened. The B. William Miles was registered in London. In 1853 she was sold to J de Wolf & Co of Liverpool, England. In 1864 she was sold to G & J Robinson of Littlehampton, England. 
Figure 1: The painting of the B. William Miles by Thomas Walters 1827 is the vessel built in 1808 another vessel also named B. William Miles in 1854. 
A second vessel of 1224 tons, the B. William Miles, was built in Quebec, Canada in 1854 and was also owned by William Miles who named the vessel after his company. Until 1906 several vessels could bear the same name. However, after 1906 date legislation of the Merchant Shipping Act prohibited the use of duplicate names.
 Nicholson, I., (nd). Log of Logs, A Catalogue of of Logs, Journals, Shipboard Diaries, Letters, and all forms of of Voyage narratives, 1788 to 1993 for Australia and New Zealand and surrounding Oceans, Volume 2, Roebuck Society Publication No 47, ISBN 0-646-09182-4, p 574.
Nicholson, I., 1999. Log of Logs, A Catalogue of of Logs, Journals, Shipboard Diaries, Letters, and all forms of of Voyage narratives, 1788 to 1998 for Australia and New Zealand and surrounding Oceans. ,Volume 3, Roebuck Society Publication No 52, ISBN 0-9585232-0-7 1999, p 468.
The Daily Southern Cross, 1862. Volume XVIII, Auckland, New Zealand, Number 1338, November 12.
 The William Miles of Bristol, From English Naive Painting 1750-1900, by James Ayres, 1980.
Tracey, M, M., 2007. Wooden Ships, Iron men and Stalwart Ladies: The TSS Douglas Mawson Saga, PhD Thesis (un pub), The School of Archaeology and Anthropology, Australian National University, Canberra.