Statistics for occurrence #1 of “Porterfield” in chapter 13 of John G. Nicolay, The Outbreak of Rebellion:

...d by the branch railroads from each of these points to their junction at Grafton. Owing to the necessity of repairing burnt bridges, their progress was cautious and slow. This gave ample time for Porterfield to become fully informed of the movement; whereupon he retired with his small command, stores and spare arms, to Philippi, on a country road, about fifteen miles directly south of Grafton, hoping to ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Porterfield 134 12 36 2 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.