From the History of Caroline County by Wingfield
I have a Richard Long buying 1165 acres on 8-9-1734 Book 15 page 286.
Another Richard buying 340 ares in St. Margarets Parish on 6-13-1729.
An Albert Long graduated from Edmund Pendleton H.S. 1923.
From Early Va Settlers by Bastow
For Longe surname I have:
Nicholas living in 1623 in Archers Hoop
Richard living in Bassie Choice with wife and child Unnamed
William living in Elizabeth Citte in 1623
John Long Died between 4-1622 and 2-1623 at Hog Hand
Ellias Long living in 1623 att West & Sherlow hundred
Hope this in some way aids in your search