Duffy, appointed by Mayor Harold Washington in 1984, was a force in LGBT and progressive politics for many years.
Zander and his husband were victims of an antigay attack in November, but it's not clear if that was related to his death.
Lou Reed sang about her, Andy Warhol filmed her, and most recently she appeared in Jill Soloway's Transparent.
After a groundbreaking career in film, Akerman died by suicide on Monday in Paris.
The 16-year-old transgender boy, a fierce advocate for LGBT and racial justice, lost his battle with depression and took his life Monday.
McNeill spoke out for LGBT equality in the church and the world at large, in defiance of the Catholic hierarchy.
In addition to her extensive work in animation, the out Bernstein helped start a fund for cancer research.