Statistics for occurrence #1 of “Pleasonton” in chapter 2.14 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War. Volume 3.:

... movement and advanced to Culpeper, and Jackson was still in the Valley of Virginia, distant several days' march behind Thornton's Gap, with D. H. Hill holding the western entrance to the gap against Pleasonton , who was on the east, observing its debouch. On that very day, the 5th of November, 1862, President Lincoln, with his own hand, wrote the following order: Executive Mansion, Washington, 1...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Alfred Pleasonton 765 132 25 4 0 user votes
A. Pleasonton 137 0 3 0 0 user votes
Pleasonton 102 0 14 0 0 user votes
Gen Pleasonton 2 0 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.