According to Walcott, Stephen to Rogers, Baron Blachford Frederic 20 October 1860, CO 60:9, no. 10092, 87, marked as secret, Marcella was the only vessel sailing direct to Vancouvers Island, from London Docks, in late 1860, and it was slated to transport the wives and families of the seven Men belonging to the detachment of Royal Engineers stationed in British Columbia.
Mentions of this vessel in the documents