Statistics for occurrence #1 of “Porterfield” in chapter 20 of Benson J. Lossing, Pictorial Field Book of the Civil War. Volume 1.:

...pointed time Dumont's column approached its destination. It was discovered by a woman, who fired a pistol twice at Colonel Lander, who was riding ahead of the column, and then sent her boy to alarm Porterfield . The boy was caught and detained; and while Porterfield's camp was in commotion, on account of the report of the woman's pistol, Dumont's column took position on the bights, with his cannon command...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Porterfield 134 31 36 3 0 user votes
G. A. Porterfield 46 0 4 0 0 user votes
George A. Porterfield 27 0 5 0 0 user votes
George D. Porterfield 27 0 1 0 0 user votes
George Porterfield 23 0 1 0 0 user votes
Colonel Porterfield 18 0 0 0 0 user votes
Charles Porterfield 6 0 0 0 0 user votes
G. W. Porterfield 2 0 0 0 0 user votes
Geo Porterfield 2 0 2 0 0 user votes
J. Porterfield 2 0 0 0 0 user votes
S. A. Porterfield 2 0 0 0 0 user votes
Alexander Porterfield 1 0 1 0 0 user votes
William Porterfield 1 0 1 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.