Statistics for occurrence #1 of “Unionists” in chapter 21 of John F. Hume, The abolitionists together with personal memories of the struggle for human rights:

...by a more expressive local nomenclature. The Radicals, because of their alleged sympathy with the negro, were branded as Charcoals, and their opponents, made up of Republicans, Democrats, and Semi- Unionists , because of the variegated complexion of the mixture, were set down as Claybanks. Mulattoes are Claybanks. The Claybanks, or Conservatives, at the outset enjoyed a decided advantage in having ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Unionists 665 2 1 0 0 user votes
Baltimore Unionists 84 0 0 0 0 user votes
Virginia Unionists 28 0 0 0 0 user votes
Theeast Tennessee Unionists 22 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.