Statistics for occurrence #1 of “O'Rorke” in chapter 11 of Joshua Lawrence Chamberlain, The Passing of the Armies: The Last Campaign of the Armies.:

... young colonels, colleagues with me in the courts-martial and army schools of the winter camps of 1862: Vincent, of the 83d Pennsylvania, caught up in the fiery chariot from the heights of Round Top; O'Rorke , of the 140th New York, pressing to that glorious defense, swiftly called from the head of his regiment to serener heights; Jeffords, of the 4th Michigan, thrust through by bayonets as he snatched ba...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
O'Rorke 14 4 2 0 0 user votes
Patrick H. O'Rorke 40 0 6 0 0 user votes
P. H. O'Rorke 5 0 1 0 0 user votes
Patrick O'Rorke 2 0 0 0 0 user votes
Patrick Henry O'Rorke 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.