Was Rabbit Maranville a Nazi? Should be referred to as Herr Maranville, or better yet, “Hare” Maranville?
The answer is, of course, no, but the investigation at Baseball Researcher is well-worth reading. Nor was the usage confined to baseball players. A quick search of the New York Times prior to 1918 revealed a sailing boat named “Swastika”, an antique Chinese rug on auction with a lovely “swastika border,” and a “Swastika edition” of the works of Rudyard Kipling.
(Updated title per this kind correction)