Statistics for occurrence #1 of “Karr” in chapter 49 of Lucius R. Paige, History of Cambridge, Massachusetts, 1630-1877, with a genealogical register:

... 355. Jethro, 391. Jewett, 320. Joel, 388. Johns, 235. Johnson, 3, 6, 18, 43, 4, 69, 83, 321, 32, 82, 97, 428. Jones, 35, 97, 157, 85, 326, 95. Joy, 185. Judd, 33. Karr , 326. Keith, 214, 44. Kelsey, 11, 32. Kempster, 58, 75. Kendall, 327, 37, 55, 80. Kenrick, 80, 1. Kent, 292. Kerley, 401. Keys, 81. Kidder, 292, 305. Kilburn. ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
William S. Karr 3 3 1 1 0 user votes
John W. Karr 12 0 0 0 0 user votes
Karr 10 0 0 0 0 user votes
J. A. Karr 2 0 0 0 0 user votes
John Karr 2 0 0 0 0 user votes
F. C. Karr 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.