I think [name_f]Sojourner[/name_f], suggested in [name_f]Katinka[/name_f]'s blog post, would be awesome, as would [name_f]Angelou[/name_f].
More [name_f]Bronte[/name_f] inspired names for boys: Currer, [name_u]Ellis[/name_u], [name_m]Acton[/name_m], [name_f]Eyre[/name_f], [name_u]Lawrence[/name_u] (the maiden name of [name_f]Helen[/name_f] [name_m]Huntingdon[/name_m], who is the main character of The Tenant of Wildfell [name_m]Hall[/name_m] and often considered a feminist).
The surnames of [name_m]George[/name_m] [name_u]Eliot[/name_u]'s heroines (Tulliver, [name_u]Brooke[/name_u], [name_m]Morris[/name_m]) would also work, but since they are complex characters who make mistakes I would recommend making sure you are comfortable with their stories before using their names.
[name_m]Just[/name_m] to say, I find the use of goddess names on boys to be a bit disrespectful and even borderline anti-feminist (sorry!). I do love Artem and [name_m]Dmitri[/name_m], which are derived from [name_u]Artemis[/name_u] and [name_u]Demeter[/name_u], though. Hérodote (“given by [name_f]Hera[/name_f]”) and [name_m]Isidore[/name_m] (“gift of [name_f]Isis[/name_f]”) would also make appropriate tributes to goddesses.
As a [name_m]Christian[/name_m], I also love the idea of using [name_f]Marie[/name_f] as a middle name for a boy. [name_u]Evan[/name_u] could at a pinch be considered a nod to [name_f]Eve[/name_f], in spite of the lack of etymological connection.
I know a couple who used [name_f]Kahlo[/name_f] as a first name, and thought that was such an innovative tribute. If there’s a little boy out there wearing it as a first name, you can definitely consider it for a middle!
Off the top of my head:
[name_u]Seneca[/name_u]
[name_m]Stanton[/name_m]
[name_m]Stone[/name_m]
[name_m]Anthony[/name_m]
[name_m]Stein[/name_m]
[name_m]Simon/name_m
[name_u]Carter[/name_u]
[name_u]Walker[/name_u]
[name_m]Davis[/name_m]
[name_u]Neal/name_u
[name_m]Wharton[/name_m]
[name_m]Archer[/name_m] (more for [name_f]Isabel[/name_f] [name_m]Archer[/name_m] than [name_m]Newland[/name_m] [name_m]Archer[/name_m], but since [name_m]Wharton[/name_m] and [name_u]James[/name_u] were close friends and [name_f]AoI[/name_f] is thought to be a sort of response to PoaL, this could be a two birds, one stone kind of deal)
[name_m]John[/name_m] [name_m]Stuart[/name_m] Mill wrote the Subjection of Women. I like the suggestion of [name_m]Simon[/name_m] because it means “listener”.