History of Garnishment Law in Virginia: From the William and Mary Law Review
Updated: Mar 21, 2021
Garnishment came into Virginia law in 1850. And it's largely unchanged.
Garnishment was enacted as a reform, an alternative to debtor's prison. You can read more about that here.
The article, by Charles J Nabit, is from Volume 21, Issue 3 (April 1980) William and Mary Law Review.