Statistics for occurrence #1 of “Breckenridge” in chapter 16, page 467 of William H. Herndon, Jesse William Weik, Herndon's Lincoln: The True Story of a Great Life, Etiam in minimis major, The History and Personal Recollections of Abraham Lincoln by William H. Herndon, for twenty years his friend and Jesse William Weik:

...ounced in a subdued voice his name, Abraham Lincoln. The election was held on the 6th of November. The result showed a popular vote of 1,857,610 for Lincoln; 1,291,574 for Douglas; 850,022 for Breckenridge ; and 646,124 for Bell. In the
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Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
† Breckenridge 722 14 108 0 0 user votes
John C. Breckenridge 120 0 8 0 0 user votes
J. C. Breckenridge 68 0 4 0 0 user votes
Major-Generals Breckenridge 50 0 0 0 0 user votes
James Breckenridge 28 0 2 0 0 user votes
Hill Breckenridge 24 0 0 0 0 user votes
Samuel M. Breckenridge 11 0 1 0 0 user votes
Robert J. Breckenridge 9 0 1 0 0 user votes
John Breckenridge 6 0 0 0 0 user votes
Cabell R. Breckenridge 3 0 1 0 0 user votes
J. Breckenridge 3 0 1 0 0 user votes
R. W. J. Breckenridge 2 0 0 0 0 user votes
W. C. P. Breckenridge 2 0 0 0 0 user votes
Carey Breckenridge 1 0 1 0 0 user votes
Cary Breckenridge 1 0 1 0 0 user votes
Margaret E. Breckenridge 1 0 1 0 0 user votes
Mary C. Breckenridge 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.