Getting to the bottom of some historical names in the area, it’s time to explore “P” for Pender. From what I can find, Pender Street in Vancouver is named after the same Pender as Pender Harbour and Pender Island, BC.
Pender Harbour was named by Captain Henry Richard in honour of his Staff Commander (later Captain) Daniel Pender. From 1857 to 1870, Pender surveyed the BC Coast with remarkable zeal and thoroughness on the famous ships Plumper, Hecate, and Beaver. The British Navy and BC Governor James Douglas jointly funded Daniel Penderâ€™s invaluable survey on the â€˜HMS Beaverâ€™. Captain Richard and Penderâ€™s mandate was to resolve the unsafe discrepancies in longitude between the survey maps of Captain Cook and Captain Vancouver. [Source]
I admit when I first read somewhere else that “Pender was the Master of the Plumper” I was somewhat confused, although with this nautical explanation everything now makes sense.