By mid-1866, following her DDS and Iowa address, Lucy Hobbs was elected to membership in both the Iowa and Illinois State Dental Societies.
By July 1866, following the completion of her Doctor of Dental Surgery degree and her landmark scientific presentation to the Iowa State Dental Society, Lucy Hobbs was formally elected to membership in both the Iowa State Dental Society and the Illinois State Dental Society. This dual recognition made her the first woman in American history to be accepted as a member by more than one statewide dental professional body.
Her election to the Illinois society coincided with her relocation to Chicago after graduation, where she opened a new dental practice. Gaining membership in Illinois's professional body, in addition to her earlier Iowa recognition, signaled that her acceptance was not an isolated regional exception but part of a broader, if still gradual, shift toward accepting women as legitimate professional dentists across state lines.
This achievement mattered because professional society membership in the nineteenth century functioned as a critical form of peer validation, often more consequential to a practitioner's local reputation and client trust than a diploma alone. By securing membership in two separate state societies within the same year she earned her degree, Hobbs rapidly consolidated the professional legitimacy that would sustain her career for decades, including her subsequent, highly successful practice in Lawrence, Kansas beginning in 1867.
Her dual society memberships remain a documented cornerstone of her broader legacy as the woman who broke open American dentistry to female practitioners.