Kathryn E. Granahan (1894–1979), Democratic member of the U.S. House of Representatives from Pennsylvania
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William T. Granahan (1895–1956), Democratic politician from the U.S. state of Pennsylvania
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Gerry Granahan (born 1939), American singer, songwriter, and record producer
William T. Granahan | Gerry Granahan | Kathryn E. Granahan | Granahan's signature, as used on American currency |
Erik is the coauthor of a book along with American Combat Association president Matthew Granahan and JD Dwyer on the History of American Submission Wrestling.