a search for WEAVER reveals a letter from Carter in March 1721:

"The Mortalitys in my Familys are Increasd I think
Since You were here three or four, Sloop Toney is recovered
poor Harry Weaver a Negro Yor. wife knows very well went
off two Days ago., The Number of my Dead is now fifteen work
=ing Slaves, I thank God I bear these things with a Great
deal of Easyness..."

Richard Weaver witnessed Edward Nicken's Lancaster County will. There were 64 "other free" persons in Weaver households in the 1810 Virginia census and over 150 "free colored" persons in Weaver households in North Carolina in 1820.
Paul