For once, BlogTO has an interesting post. It examines the history behind the names of certain Toronto streets.
Adelaide, for example:
Adelaide Street might sound like a polite tip of the hat to our Australian pals, but in reality Toronto had the name first. Named in 1797 for the young Princess Adelaide of Saxe-Meiningen, later the wife of King William IV, Adelaide Street has been extended several times east and west consuming lesser streets in its path. The capital of South Australia was also named for Princess Adelaide in 1836.
Worth a visit!