Statistics for occurrence #1 of “Chantilly” in chapter 1, page 70 of Thomas Wentworth Higginson, Massachusetts in the Army and Navy during the war of 1861-1865, vol. 1: prelminary narrative:

...S. A., a Massachusetts officer commanding the 17th U. S. Infantry, especially compliments in his report the services of Lieut. (afterwards captain) W. W. Swan, U. S. A., also of Massachusetts. At Chantilly , Sept. 1, 1862, fell prematurely a Massachusetts officer, Gen. Isaac I. Stevens, who had left West Point, it is said, with higher honors than had been won by any previous graduate. He led an attack...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Chantilly (Virginia, United States) 923 4 171 0 0 user votes
Chantilly (Missouri, United States) 3 0 1 0 0 user votes
Chantilly (France) 0 0 0 0 0 user votes
Chantilly (North Carolina, United States) 0 0 0 0 0 user votes
Chantilly (Utah, United States) 0 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.