John Williams was a missionary ship under the command of Captain Robert Clark Morgan (1798–1864) and owned by the London Missionary Society (LMS). She was named after John Williams (1796–1839), a missionary who had been active in the South Pacific.
General specifications
John Williams was launched at Harwich on 20 March 1844. She was of 296 tons and had a length of and beam of . The depth of her hold was . She had 10 state rooms. A medal was issued commemorating her first three-year voyage and an example of this is held at the Royal Museum of Greenwich. ==References==