I have ancestors who lived in Hards Town, Chatham and I must admit it was something I had wondered about. When I googled Hards Town I found someone on Curious Fox is saying that it was built by one of their ancestors, a Richard Hards about 1803. I do not believe that by the mid-1800's it was one of the most salubrious parts of Chatham.
There is also a Best Town in Chatham. I have read a suggestion that it may have been named after Thomas Best who had a brewery there in the 1700's.