Statistics for occurrence #1 of “Northampton counties” in chapter 11 of Maj. Jed. Hotchkiss, Confederate Military History, a library of Confederate States Military History: Volume 3, Virginia:

...nsylvania, with headquarters at Baltimore, ordered Gen. H. H. Lockwood, commanding the Federal peninsula brigade, partly composed of Union Marylanders, to proceed on an expedition through Accomac and Northampton counties , in Virginia, for the purpose of bringing these counties back to their allegiance to the United States, and reuniting them to the Union on the footing of West Virginia. The commander of the expedit...
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