As transgender issues become increasingly prominent, feminist organizations, many of which have restricted membership to women, are forced to consider how feminism is affected by changing gender identities. This article examines the how four feminist organizations in New York City considered the inclusion of transgender individuals. The groups examined here exhibited traits, such as decentralized, informal structures, that made them likely sites of social innovation. Additionally, by communicating with one another, the organizations influenced one another in discussions about transgender inclusion.