CORNWALL in Hartford, CT Vital Records
Your surname is included in the Barbour Collection of town vital records for Hartford, CT.
The link below will take you to a website with an incredible amount of data for MA, CT and MI, but CT is the main focus. There is already a very lenthy entry regarding old records of Hartford, and now we're proceeding to put the Barbour vital records on as well.
Since this site is being added to almost daily, it would be a good idea to bookmark it. The title of the website contains 4 surnames, but don't be confused: this is the site with the Vital Records.
The Hartford Vital Records, which are composed of about 80% marriages, contain a LOT of Mass and N.Y. Use the search engine in your browser and these search-words will take you to the entries: N.Y. New York Albany L.I. Mass. Boston Springfield then there's also some: Vt. R.I. and Me. (Boston and Springfield are sometimes written without the Mass. after it, so if you want to find these, use the name of the cities for seach targets).
Scroll down to the Hartford listing. The CT data is in alphabetical order. Of course you may become distracted somewhat by all the other vital records contained on this website, but this is a good thing!!
If any of your ancestors lived in Middlesex County, CT, there are many entries for that area. Near the top of the Resource listings are Probates and Wills, with 204 Probates transcribed.