The Rifleman - kill with a rifle-grip gun...
Lord of Death - kill X baddies
All clothes in the game, when they are sitting in the ground look like men's clothing -- except the sexy sleepwear and bonnet.
All the perks have images of vaultboy, unless they are specific to women, then they have vaultgirl.
The more I look, the more there are :(((
No one has actually referred to my female character as a dude yet, so that is a win.
For one of the missions, in voice only, not text, my character was referred to as "he". (the ghoul rocket-ship quest).