I am a Dorsett who lives a few miles South of Winston-Salem, but there has been no marriages of Dorsett's in my family recently.We are not kin to the other Dorsett's who live in this area, as my kin came from Illinois and Wisconsin.
There are Dorsett's who live South of Winston-Salem, but I don't know anything about their genealogy.There are also Dorsetts in Randolph County (Asheboro) and Orange County (Hillsborough) which is near Raleigh, NC.Those Dorsetts have been in North Carolina a long time and I think they are all descendants from the same line.Oddly enough based upon what I have seen in census records they have a tie into Dorsett's in Wisconsin/Illinois.
If you can do a computer search at your local library, a search of census records you will likely find the same info. that I saw.
AncestoryPlus or Heritage.com
Many public library systems across the country can now give their patrons free access to these systems.