Statistics for occurrence #1 of “Cumberland” in chapter 21 of Benson J. Lossing, Pictorial Field Book of the Civil War. Volume 1.:

...t remained, near the banks of the Potomac, until the next day. Its advent astonished all, and gave pleasure to the Unionists, for there was an insurgent force at Romney, only a day's march south from Cumberland , said to be twelve hundred strong; while at Winchester there was a much heavier one. General Morris, at Grafton, had warned Wallace of the proximity of these insurgents, and directed him to be watchf...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Cumberland (Maryland, United States) 922 55 172 1 0 user votes
Cumberland (United Kingdom) 44 0 4 0 0 user votes
Cumberland (North Carolina, United States) 2 0 2 0 0 user votes
Cumberland (Indiana, United States) 1 0 1 0 0 user votes
Cumberland (Arkansas, United States) 0 0 0 0 0 user votes
Cumberland (Canada) 0 0 0 0 0 user votes
Cumberland (Iowa, United States) 0 0 0 0 0 user votes
Cumberland (Mississippi, United States) 0 0 0 0 0 user votes
Cumberland (New Jersey, United States) 0 0 0 0 0 user votes
Cumberland (North Carolina, United States) 0 0 0 0 0 user votes
Cumberland (Oklahoma, United States) 0 0 0 0 0 user votes
Cumberland (South Carolina, United States) 0 0 0 0 0 user votes
Cumberland (Washington, United States) 0 0 0 0 0 user votes
Cumberland (Wisconsin, United States) 0 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.